xnu-4903.221.2.tar.gz

[apple/xnu.git] / bsd / netinet / in.h

diff --git a/bsd/netinet/in.h b/bsd/netinet/in.h
index 4e66c26c778c93627c7a40e8dfd3b63b1362b636..5a8400e22268a82659ba4a5da346680c879f4307 100644 (file)
--- a/bsd/netinet/in.h
+++ b/bsd/netinet/in.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -71,15 +71,9 @@
 #include <Availability.h>
 #endif
 
 #include <Availability.h>
 #endif
 

-#ifndef _IN_ADDR_T
-#define _IN_ADDR_T
-typedef        __uint32_t      in_addr_t;      /* base type for internet address */
-#endif
+#include <sys/_types/_in_addr_t.h>

 
 

-#ifndef _IN_PORT_T
-#define _IN_PORT_T
-typedef        __uint16_t      in_port_t;
-#endif
+#include <sys/_types/_in_port_t.h>

 
 /*
  * POSIX 1003.1-2003
 
 /*
  * POSIX 1003.1-2003


@@ -168,9 +162,9 @@ typedef     __uint16_t      in_port_t;
 #define        IPPROTO_SWIPE           53              /* IP with encryption */
 #define        IPPROTO_NHRP            54              /* Next Hop Resolution */
 /* 55-57: Unassigned */
 #define        IPPROTO_SWIPE           53              /* IP with encryption */
 #define        IPPROTO_NHRP            54              /* Next Hop Resolution */
 /* 55-57: Unassigned */

-#define        IPPROTO_ICMPV6  58              /* ICMP6 */
-#define        IPPROTO_NONE            59              /* IP6 no next header */
-#define        IPPROTO_DSTOPTS 60              /* IP6 destination option */
+#define        IPPROTO_ICMPV6          58              /* ICMP6 */
+#define        IPPROTO_NONE            59              /* IP6 no next header */
+#define        IPPROTO_DSTOPTS         60              /* IP6 destination option */

 #define        IPPROTO_AHIP            61              /* any host internal protocol */
 #define        IPPROTO_CFTP            62              /* CFTP */
 #define        IPPROTO_HELLO           63              /* "hello" routing protocol */
 #define        IPPROTO_AHIP            61              /* any host internal protocol */
 #define        IPPROTO_CFTP            62              /* CFTP */
 #define        IPPROTO_HELLO           63              /* "hello" routing protocol */


@@ -370,10 +364,19 @@ struct in_addr {
                         (((u_int32_t)(i) & 0xfff00000) == 0xac100000) || \
                         (((u_int32_t)(i) & 0xffff0000) == 0xc0a80000))
 
                         (((u_int32_t)(i) & 0xfff00000) == 0xac100000) || \
                         (((u_int32_t)(i) & 0xffff0000) == 0xc0a80000))
 

+#ifdef PRIVATE
+#define        IN_SHARED_ADDRESS_SPACE(i) ((((u_int32_t)(i)) & (u_int32_t)0xffc00000) \
+                                   == (u_int32_t)0x64400000)
+
+#define        IN_DS_LITE(i) ((((u_int32_t)(i)) & (u_int32_t)0xfffffff8) == (u_int32_t)0xc0000000)
+
+#define        IN_6TO4_RELAY_ANYCAST(i) ((((u_int32_t)(i)) & (u_int32_t)IN_CLASSC_NET) == (u_int32_t)0xc0586300)
+#endif
+

 #define        IN_LOCAL_GROUP(i)       (((u_int32_t)(i) & 0xffffff00) == 0xe0000000)
 #define        IN_LOCAL_GROUP(i)       (((u_int32_t)(i) & 0xffffff00) == 0xe0000000)

- 
+

 #define        IN_ANY_LOCAL(i)         (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))
 #define        IN_ANY_LOCAL(i)         (IN_LINKLOCAL(i) || IN_LOCAL_GROUP(i))

-#endif
+#endif /* __APPLE__ */

 
 #define        IN_LOOPBACKNET          127                     /* official! */
 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 #define        IN_LOOPBACKNET          127                     /* official! */
 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */


@@ -389,6 +392,39 @@ struct sockaddr_in {
        char            sin_zero[8];
 };
 
        char            sin_zero[8];
 };
 

+#define IN_ARE_ADDR_EQUAL(a, b) \
+    (bcmp(&(a)->s_addr, &(b)->s_addr, \
+        sizeof (struct in_addr)) == 0)
+
+#ifdef PRIVATE
+/*
+ * sockaddr_in with scope ID field; this is used internally to keep
+ * track of scoped route entries in the routing table.  The fact that
+ * such a value is embedded in the structure is an artifact of the
+ * current implementation which could change in future.
+ */
+struct sockaddr_inifscope {
+       __uint8_t       sin_len;
+       sa_family_t     sin_family;
+       in_port_t       sin_port;
+       struct  in_addr sin_addr;
+       /*
+        * To avoid possible conflict with an overlaid sockaddr_inarp
+        * having sin_other set to SIN_PROXY, we use the first 4-bytes
+        * of sin_zero since sin_srcaddr is one of the unused fields
+        * in sockaddr_inarp.
+        */
+       union {
+               char    sin_zero[8];
+               struct {
+                       __uint32_t      ifscope;
+               } _in_index;
+       } un;
+#define        sin_scope_id    un._in_index.ifscope
+};
+
+#endif /* PRIVATE */
+

 #define INET_ADDRSTRLEN                 16
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 #define INET_ADDRSTRLEN                 16
 
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)


@@ -430,7 +466,7 @@ struct ip_opts {
 #define        IP_RECVIF               20   /* bool; receive reception if w/dgram */
 /* for IPSEC */
 #define        IP_IPSEC_POLICY         21   /* int; set/get security policy */
 #define        IP_RECVIF               20   /* bool; receive reception if w/dgram */
 /* for IPSEC */
 #define        IP_IPSEC_POLICY         21   /* int; set/get security policy */

-#define        IP_FAITH                22   /* bool; accept FAITH'ed connections */
+#define        IP_FAITH                22   /* deprecated */

 #ifdef __APPLE__
 #define IP_STRIPHDR            23   /* bool: drop receive of raw IP header */
 #endif
 #ifdef __APPLE__
 #define IP_STRIPHDR            23   /* bool: drop receive of raw IP header */
 #endif


@@ -438,7 +474,7 @@ struct ip_opts {
 #define        IP_BOUND_IF             25   /* int; set/get bound interface */
 #define        IP_PKTINFO              26   /* get pktinfo on recv socket, set src on sent dgram  */
 #define        IP_RECVPKTINFO          IP_PKTINFO      /* receive pktinfo w/dgram */
 #define        IP_BOUND_IF             25   /* int; set/get bound interface */
 #define        IP_PKTINFO              26   /* get pktinfo on recv socket, set src on sent dgram  */
 #define        IP_RECVPKTINFO          IP_PKTINFO      /* receive pktinfo w/dgram */

-
+#define        IP_RECVTOS              27   /* bool; receive IP TOS w/dgram */

 
 #define        IP_FW_ADD               40   /* add a firewall rule to chain */
 #define        IP_FW_DEL               41   /* delete a firewall rule from chain */
 
 #define        IP_FW_ADD               40   /* add a firewall rule to chain */
 #define        IP_FW_DEL               41   /* delete a firewall rule from chain */


@@ -482,7 +518,7 @@ struct ip_opts {
 #define        MCAST_UNBLOCK_SOURCE            85   /* unblock a source */
 
 #ifdef PRIVATE
 #define        MCAST_UNBLOCK_SOURCE            85   /* unblock a source */
 
 #ifdef PRIVATE

-#define        IP_FORCE_OUT_IFP        69   /* deprecated; use IP_BOUND_IF instead */
+#define        IP_FORCE_OUT_IFP        69   /* not implemented; use IP_BOUND_IF instead */

 #define        IP_NO_IFT_CELLULAR      6969 /* for internal use only */
 #define        IP_NO_IFT_PDP           IP_NO_IFT_CELLULAR /* deprecated */
 #define        IP_OUT_IF               9696 /* for internal use only */
 #define        IP_NO_IFT_CELLULAR      6969 /* for internal use only */
 #define        IP_NO_IFT_PDP           IP_NO_IFT_CELLULAR /* deprecated */
 #define        IP_OUT_IF               9696 /* for internal use only */


@@ -570,7 +606,7 @@ struct __msfilterreq {
        struct sockaddr_storage *msfr_srcs;
 };
 
        struct sockaddr_storage *msfr_srcs;
 };
 

-#ifdef XNU_KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE

 struct __msfilterreq32 {
        uint32_t                 msfr_ifindex;  /* interface index */
        uint32_t                 msfr_fmode;    /* filter mode for group */
 struct __msfilterreq32 {
        uint32_t                 msfr_ifindex;  /* interface index */
        uint32_t                 msfr_fmode;    /* filter mode for group */


@@ -588,7 +624,7 @@ struct __msfilterreq64 {
        struct sockaddr_storage  msfr_group;    /* group address */
        user64_addr_t            msfr_srcs;
 };
        struct sockaddr_storage  msfr_group;    /* group address */
        user64_addr_t            msfr_srcs;
 };

-#endif /* XNU_KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */

 #endif /* __MSFILTERREQ_DEFINED */
 
 #pragma pack()
 #endif /* __MSFILTERREQ_DEFINED */
 
 #pragma pack()


@@ -601,13 +637,13 @@ struct sockaddr;
  * We use uint32_t here to be consistent.
  */
 int    setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t,
  * We use uint32_t here to be consistent.
  */
 int    setipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t,

-           uint32_t, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
+           uint32_t, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);

 int    getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *,
 int    getipv4sourcefilter(int, struct in_addr, struct in_addr, uint32_t *,

-           uint32_t *, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
+           uint32_t *, struct in_addr *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);

 int    setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
 int    setsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,

-           uint32_t, uint32_t, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
+           uint32_t, uint32_t, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);

 int    getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,
 int    getsourcefilter(int, uint32_t, struct sockaddr *, socklen_t,

-           uint32_t *, uint32_t *, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_NA);
+           uint32_t *, uint32_t *, struct sockaddr_storage *) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);

 #endif
 
 /*
 #endif
 
 /*


@@ -659,8 +695,7 @@ struct in_pktinfo {
  */
 #define        IPPROTO_MAXID   (IPPROTO_AH + 1)        /* don't list to IPPROTO_MAX */
 
  */
 #define        IPPROTO_MAXID   (IPPROTO_AH + 1)        /* don't list to IPPROTO_MAX */
 

-#ifdef KERNEL_PRIVATE
-
+#ifdef BSD_KERNEL_PRIVATE

 #define        CTL_IPPROTO_NAMES { \
        { "ip", CTLTYPE_NODE }, \
        { "icmp", CTLTYPE_NODE }, \
 #define        CTL_IPPROTO_NAMES { \
        { "ip", CTLTYPE_NODE }, \
        { "icmp", CTLTYPE_NODE }, \


@@ -715,8 +750,7 @@ struct in_pktinfo {
        { 0, 0 }, \
        { "ipsec", CTLTYPE_NODE }, \
 }
        { 0, 0 }, \
        { "ipsec", CTLTYPE_NODE }, \
 }

-
-#endif /* KERNEL_PRIVATE */
+#endif /* BSD_KERNEL_PRIVATE */

 
 /*
  * Names for IP sysctl objects
 
 /*
  * Names for IP sysctl objects


@@ -737,11 +771,11 @@ struct in_pktinfo {
 #define        IPCTL_STATS             12      /* ipstat structure */
 #define        IPCTL_ACCEPTSOURCEROUTE 13      /* may accept source routed packets */
 #define        IPCTL_FASTFORWARDING    14      /* use fast IP forwarding code */
 #define        IPCTL_STATS             12      /* ipstat structure */
 #define        IPCTL_ACCEPTSOURCEROUTE 13      /* may accept source routed packets */
 #define        IPCTL_FASTFORWARDING    14      /* use fast IP forwarding code */

-#define        IPCTL_KEEPFAITH         15      /* FAITH IPv4->IPv6 translater ctl */
+#define        IPCTL_KEEPFAITH         15      /* deprecated */

 #define        IPCTL_GIF_TTL           16      /* default TTL for gif encap packet */
 #define        IPCTL_MAXID             17
 
 #define        IPCTL_GIF_TTL           16      /* default TTL for gif encap packet */
 #define        IPCTL_MAXID             17
 

-#ifdef KERNEL_PRIVATE
+#ifdef BSD_KERNEL_PRIVATE

 
 #define        IPCTL_NAMES { \
        { 0, 0 }, \
 
 #define        IPCTL_NAMES { \
        { 0, 0 }, \


@@ -762,48 +796,147 @@ struct in_pktinfo {
        { "keepfaith", CTLTYPE_INT }, \
        { "gifttl", CTLTYPE_INT }, \
 }
        { "keepfaith", CTLTYPE_INT }, \
        { "gifttl", CTLTYPE_INT }, \
 }

-#endif /* KERNEL_PRIVATE */
-
+#endif /* BSD_KERNEL_PRIVATE */

 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 
 #endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 

-

 /* INET6 stuff */
 #define __KAME_NETINET_IN_H_INCLUDED_
 #include <netinet6/in6.h>
 #undef __KAME_NETINET_IN_H_INCLUDED_
 
 /* INET6 stuff */
 #define __KAME_NETINET_IN_H_INCLUDED_
 #include <netinet6/in6.h>
 #undef __KAME_NETINET_IN_H_INCLUDED_
 

-#ifdef KERNEL
-#ifdef KERNEL_PRIVATE
-struct ifnet; struct mbuf;     /* forward declarations for Standard C */
+#ifdef PRIVATE
+/* 
+ * Minimal sized structure to hold an IPv4 or IPv6 socket address
+ * as sockaddr_storage can waste memory
+ */
+union sockaddr_in_4_6 {
+       struct sockaddr         sa;
+       struct sockaddr_in      sin;
+       struct sockaddr_in6     sin6;
+};
+
+#define        CLAT46_HDR_EXPANSION_OVERHD     (sizeof(struct ip6_hdr) - sizeof(struct ip))

 
 

-extern int in_broadcast(struct in_addr, struct ifnet *);
-extern int in_canforward(struct in_addr);
+/*
+ * Recommended DiffServ Code Point values
+ */

 
 

-#define        in_cksum(m, l)          inet_cksum(m, 0, 0, l)
-#define        in_cksum_skip(m, l, o)  inet_cksum(m, 0, o, (l) - (o))
+#define        _DSCP_DF        0       /* RFC 2474 */
+
+#define        _DSCP_CS0       0       /* RFC 2474 */
+#define        _DSCP_CS1       8       /* RFC 2474 */
+#define        _DSCP_CS2       16      /* RFC 2474 */
+#define        _DSCP_CS3       24      /* RFC 2474 */
+#define        _DSCP_CS4       32      /* RFC 2474 */
+#define        _DSCP_CS5       40      /* RFC 2474 */
+#define        _DSCP_CS6       48      /* RFC 2474 */
+#define        _DSCP_CS7       56      /* RFC 2474 */
+
+#define        _DSCP_EF        46      /* RFC 2474 */
+#define        _DSCP_VA        44      /* RFC 5865 */
+
+#define        _DSCP_AF11      10      /* RFC 2597 */
+#define        _DSCP_AF12      12      /* RFC 2597 */
+#define        _DSCP_AF13      14      /* RFC 2597 */
+#define        _DSCP_AF21      18      /* RFC 2597 */
+#define        _DSCP_AF22      20      /* RFC 2597 */
+#define        _DSCP_AF23      22      /* RFC 2597 */
+#define        _DSCP_AF31      26      /* RFC 2597 */
+#define        _DSCP_AF32      28      /* RFC 2597 */
+#define        _DSCP_AF33      30      /* RFC 2597 */
+#define        _DSCP_AF41      34      /* RFC 2597 */
+#define        _DSCP_AF42      36      /* RFC 2597 */
+#define        _DSCP_AF43      38      /* RFC 2597 */
+
+#define        _DSCP_52        52      /* Wi-Fi WMM Certification: Sigma */
+
+#define        _MAX_DSCP       63      /* coded on 6 bits */

 
 

-extern u_int16_t inet_cksum(struct mbuf *m, unsigned int proto,
-    unsigned int offset, unsigned int transport_len);
-extern u_short in_addword(u_short, u_short);
-extern u_short in_pseudo(u_int, u_int, u_int);
+#endif /* PRIVATE */

 
 

-extern int in_localaddr(struct in_addr);
+#ifdef KERNEL
+#ifdef BSD_KERNEL_PRIVATE
+#include <mach/boolean.h>
+
+struct ip;
+struct ifnet;
+struct mbuf;
+
+extern boolean_t in_broadcast(struct in_addr, struct ifnet *);
+extern boolean_t in_canforward(struct in_addr);

 extern u_int32_t in_netof(struct in_addr);
 
 extern u_int32_t in_netof(struct in_addr);
 

-extern int inaddr_local(struct in_addr);
+extern uint32_t os_cpu_in_cksum_mbuf(struct mbuf *m, int len, int off,
+    uint32_t initial_sum);
+
+extern uint16_t inet_cksum(struct mbuf *, uint32_t, uint32_t, uint32_t);
+extern uint16_t inet_cksum_buffer(const void *, uint32_t, uint32_t, uint32_t);
+extern uint16_t in_addword(uint16_t, uint16_t);
+extern uint16_t in_pseudo(uint32_t, uint32_t, uint32_t);
+extern uint16_t in_pseudo64(uint64_t, uint64_t, uint64_t);
+extern uint16_t in_cksum_hdr_opt(const struct ip *);
+extern uint16_t ip_cksum_hdr_dir(struct mbuf *, uint32_t, int);
+extern uint16_t ip_cksum_hdr_dir_buffer(const void *, uint32_t, uint32_t, int);
+extern uint32_t in_finalize_cksum(struct mbuf *, uint32_t, uint32_t);
+extern uint16_t b_sum16(const void *buf, int len);
+#if DEBUG || DEVELOPMENT
+extern uint32_t in_cksum_mbuf_ref(struct mbuf *, int, int, uint32_t);
+#endif /* DEBUG || DEVELOPMENT */
+
+extern int in_getconninfo(struct socket *, sae_connid_t, uint32_t *,
+    uint32_t *, int32_t *, user_addr_t, socklen_t *, user_addr_t, socklen_t *,
+    uint32_t *, user_addr_t, uint32_t *);
+extern struct in_ifaddr * inifa_ifpwithflag(struct ifnet *, uint32_t);
+extern struct in_ifaddr * inifa_ifpclatv4(struct ifnet *);
+
+#define        in_cksum(_m, _l)                        \
+       inet_cksum(_m, 0, 0, _l)
+#define        in_cksum_buffer(_b, _l)                 \
+       inet_cksum_buffer(_b, 0, 0, _l)
+#define        ip_cksum_hdr_in(_m, _l)                 \
+       ip_cksum_hdr_dir(_m, _l, 0)
+#define        ip_cksum_hdr_out(_m, _l)                \
+       ip_cksum_hdr_dir(_m, _l, 1)
+
+#define        in_cksum_hdr(_ip)                       \
+       (~b_sum16(_ip, sizeof (struct ip)) & 0xffff)
+
+#define        in_cksum_offset(_m, _o)         \
+       ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_IP))
+#define        in_delayed_cksum(_m)            \
+       ((void) in_finalize_cksum(_m, 0, CSUM_DELAY_DATA))
+#define        in_delayed_cksum_offset(_m, _o) \
+       ((void) in_finalize_cksum(_m, _o, CSUM_DELAY_DATA))

 
 #define        in_hosteq(s, t) ((s).s_addr == (t).s_addr)
 #define        in_nullhost(x)  ((x).s_addr == INADDR_ANY)
 #define        in_allhosts(x)  ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
 
 
 #define        in_hosteq(s, t) ((s).s_addr == (t).s_addr)
 #define        in_nullhost(x)  ((x).s_addr == INADDR_ANY)
 #define        in_allhosts(x)  ((x).s_addr == htonl(INADDR_ALLHOSTS_GROUP))
 

+#define        SIN(s)          ((struct sockaddr_in *)(void *)s)
+#define        satosin(sa)     SIN(sa)
+#define        sintosa(sin)    ((struct sockaddr *)(void *)(sin))
+#define        SINIFSCOPE(s)   ((struct sockaddr_inifscope *)(void *)(s))
+#endif /* BSD_KERNEL_PRIVATE */
+
+#ifdef KERNEL_PRIVATE
+/* exported for ApplicationFirewall */
+extern int in_localaddr(struct in_addr);
+extern int inaddr_local(struct in_addr);
+
+extern char    *inet_ntoa(struct in_addr);
+extern char    *inet_ntoa_r(struct in_addr ina, char *buf,
+    size_t buflen);
+extern int     inet_pton(int af, const char *, void *);

 #endif /* KERNEL_PRIVATE */
 #endif /* KERNEL_PRIVATE */

+

 #define MAX_IPv4_STR_LEN       16
 #define MAX_IPv6_STR_LEN       64
 
 #define MAX_IPv4_STR_LEN       16
 #define MAX_IPv6_STR_LEN       64
 

-extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern */
+extern int      inet_aton(const char *, struct in_addr *); /* in libkern */
+extern const char *inet_ntop(int, const void *, char *, socklen_t); /* in libkern*/

 #endif /* KERNEL */
 
 #endif /* KERNEL */
 

-#ifndef KERNEL         
+#ifndef KERNEL

 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 __BEGIN_DECLS
 int        bindresvport(int, struct sockaddr_in *);
 #if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
 __BEGIN_DECLS
 int        bindresvport(int, struct sockaddr_in *);


@@ -811,6 +944,5 @@ struct sockaddr;
 int        bindresvport_sa(int, struct sockaddr *);
 __END_DECLS
 #endif
 int        bindresvport_sa(int, struct sockaddr *);
 __END_DECLS
 #endif

-#endif
-
+#endif /* !KERNEL */

 #endif /* _NETINET_IN_H_ */
 #endif /* _NETINET_IN_H_ */