xnu-1504.9.37.tar.gz

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

diff --git a/bsd/netinet/ip_var.h b/bsd/netinet/ip_var.h
index 014abb2f3dbbdad2b8ef9a16f5a35d1b0d39d5ac..9d4044d4c7fe8b4e31643b5e672f35f0962ac3e2 100644 (file)
--- a/bsd/netinet/ip_var.h
+++ b/bsd/netinet/ip_var.h
@@ -1,14 +1,19 @@
 /*
 /*

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

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @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
  * 
  * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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
  * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER


@@ -18,7 +23,7 @@
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 
  * Please see the License for the specific language governing rights and
  * limitations under the License.
  * 

- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * Copyright (c) 1982, 1986, 1993
  */
 /*
  * Copyright (c) 1982, 1986, 1993


@@ -54,6 +59,12 @@
  *
  *     @(#)ip_var.h    8.2 (Berkeley) 1/9/95
  */
  *
  *     @(#)ip_var.h    8.2 (Berkeley) 1/9/95
  */

+/*
+ * NOTICE: This file was modified by SPARTA, Inc. in 2007 to introduce
+ * support for mandatory and extensible security protections.  This notice
+ * is included in support of clause 2.2 (b) of the Apple Public License,
+ * Version 2.0.
+ */

 
 #ifndef _NETINET_IP_VAR_H_
 #define        _NETINET_IP_VAR_H_
 
 #ifndef _NETINET_IP_VAR_H_
 #define        _NETINET_IP_VAR_H_


@@ -71,6 +82,9 @@ struct ipovly {
 };
 
 #ifdef KERNEL_PRIVATE
 };
 
 #ifdef KERNEL_PRIVATE

+#if CONFIG_MACF_NET
+struct label;
+#endif

 /*
  * Ip reassembly queue structure.  Each fragment
  * being reassembled is attached to one of these structures.
 /*
  * Ip reassembly queue structure.  Each fragment
  * being reassembled is attached to one of these structures.


@@ -84,9 +98,11 @@ struct ipq {
        u_short ipq_id;                 /* sequence id for reassembly */
        struct mbuf *ipq_frags;         /* to ip headers of fragments */
        struct  in_addr ipq_src,ipq_dst;
        u_short ipq_id;                 /* sequence id for reassembly */
        struct mbuf *ipq_frags;         /* to ip headers of fragments */
        struct  in_addr ipq_src,ipq_dst;

-       u_long  ipq_nfrags;
+       u_int32_t       ipq_nfrags;

        TAILQ_ENTRY(ipq) ipq_list;
        TAILQ_ENTRY(ipq) ipq_list;

-       u_long  reserved[1];            /* for future use */
+#if CONFIG_MACF_NET
+       struct label *ipq_label;        /* MAC label */
+#endif

 #if IPDIVERT
 #ifdef IPDIVERT_44
        u_int32_t ipq_div_info;         /* ipfw divert port & flags */
 #if IPDIVERT
 #ifdef IPDIVERT_44
        u_int32_t ipq_div_info;         /* ipfw divert port & flags */


@@ -122,7 +138,7 @@ struct ip_moptions {
        u_char  imo_multicast_loop;     /* 1 => hear sends if a member */
        u_short imo_num_memberships;    /* no. memberships this socket */
        struct  in_multi *imo_membership[IP_MAX_MEMBERSHIPS];
        u_char  imo_multicast_loop;     /* 1 => hear sends if a member */
        u_short imo_num_memberships;    /* no. memberships this socket */
        struct  in_multi *imo_membership[IP_MAX_MEMBERSHIPS];

-       u_long  imo_multicast_vif;      /* vif num outgoing multicasts */
+       u_int32_t       imo_multicast_vif;      /* vif num outgoing multicasts */

        struct  in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */
 };
 
        struct  in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */
 };
 


@@ -134,57 +150,65 @@ struct ip_fwd_tag {
 #endif /* KERNEL_PRIVATE */
 
 struct ipstat {
 #endif /* KERNEL_PRIVATE */
 
 struct ipstat {

-       u_long  ips_total;              /* total packets received */
-       u_long  ips_badsum;             /* checksum bad */
-       u_long  ips_tooshort;           /* packet too short */
-       u_long  ips_toosmall;           /* not enough data */
-       u_long  ips_badhlen;            /* ip header length < data size */
-       u_long  ips_badlen;             /* ip length < ip header length */
-       u_long  ips_fragments;          /* fragments received */
-       u_long  ips_fragdropped;        /* frags dropped (dups, out of space) */
-       u_long  ips_fragtimeout;        /* fragments timed out */
-       u_long  ips_forward;            /* packets forwarded */
-       u_long  ips_fastforward;        /* packets fast forwarded */
-       u_long  ips_cantforward;        /* packets rcvd for unreachable dest */
-       u_long  ips_redirectsent;       /* packets forwarded on same net */
-       u_long  ips_noproto;            /* unknown or unsupported protocol */
-       u_long  ips_delivered;          /* datagrams delivered to upper level*/
-       u_long  ips_localout;           /* total ip packets generated here */
-       u_long  ips_odropped;           /* lost packets due to nobufs, etc. */
-       u_long  ips_reassembled;        /* total packets reassembled ok */
-       u_long  ips_fragmented;         /* datagrams successfully fragmented */
-       u_long  ips_ofragments;         /* output fragments created */
-       u_long  ips_cantfrag;           /* don't fragment flag was set, etc. */
-       u_long  ips_badoptions;         /* error in option processing */
-       u_long  ips_noroute;            /* packets discarded due to no route */
-       u_long  ips_badvers;            /* ip version != 4 */
-       u_long  ips_rawout;             /* total raw ip packets generated */
-       u_long  ips_toolong;            /* ip length > max ip packet size */
-       u_long  ips_notmember;          /* multicasts for unregistered grps */
-       u_long  ips_nogif;              /* no match gif found */
-       u_long  ips_badaddr;            /* invalid address on header */
+       u_int32_t       ips_total;              /* total packets received */
+       u_int32_t       ips_badsum;             /* checksum bad */
+       u_int32_t       ips_tooshort;           /* packet too short */
+       u_int32_t       ips_toosmall;           /* not enough data */
+       u_int32_t       ips_badhlen;            /* ip header length < data size */
+       u_int32_t       ips_badlen;             /* ip length < ip header length */
+       u_int32_t       ips_fragments;          /* fragments received */
+       u_int32_t       ips_fragdropped;        /* frags dropped (dups, out of space) */
+       u_int32_t       ips_fragtimeout;        /* fragments timed out */
+       u_int32_t       ips_forward;            /* packets forwarded */
+       u_int32_t       ips_fastforward;        /* packets fast forwarded */
+       u_int32_t       ips_cantforward;        /* packets rcvd for unreachable dest */
+       u_int32_t       ips_redirectsent;       /* packets forwarded on same net */
+       u_int32_t       ips_noproto;            /* unknown or unsupported protocol */
+       u_int32_t       ips_delivered;          /* datagrams delivered to upper level*/
+       u_int32_t       ips_localout;           /* total ip packets generated here */
+       u_int32_t       ips_odropped;           /* lost packets due to nobufs, etc. */
+       u_int32_t       ips_reassembled;        /* total packets reassembled ok */
+       u_int32_t       ips_fragmented;         /* datagrams successfully fragmented */
+       u_int32_t       ips_ofragments;         /* output fragments created */
+       u_int32_t       ips_cantfrag;           /* don't fragment flag was set, etc. */
+       u_int32_t       ips_badoptions;         /* error in option processing */
+       u_int32_t       ips_noroute;            /* packets discarded due to no route */
+       u_int32_t       ips_badvers;            /* ip version != 4 */
+       u_int32_t       ips_rawout;             /* total raw ip packets generated */
+       u_int32_t       ips_toolong;            /* ip length > max ip packet size */
+       u_int32_t       ips_notmember;          /* multicasts for unregistered grps */
+       u_int32_t       ips_nogif;              /* no match gif found */
+       u_int32_t       ips_badaddr;            /* invalid address on header */

 };
 
 struct ip_linklocal_stat {
 };
 
 struct ip_linklocal_stat {

-       u_long iplls_in_total;
-       u_long iplls_in_badttl;
-       u_long iplls_out_total;
-       u_long iplls_out_badttl;
+       u_int32_t       iplls_in_total;
+       u_int32_t       iplls_in_badttl;
+       u_int32_t       iplls_out_total;
+       u_int32_t       iplls_out_badttl;

 };
 
 #ifdef KERNEL_PRIVATE
 /* flags passed to ip_output as last parameter */
 #define        IP_FORWARDING           0x1             /* most of ip header exists */
 #define        IP_RAWOUTPUT            0x2             /* raw ip header exists */
 };
 
 #ifdef KERNEL_PRIVATE
 /* flags passed to ip_output as last parameter */
 #define        IP_FORWARDING           0x1             /* most of ip header exists */
 #define        IP_RAWOUTPUT            0x2             /* raw ip header exists */

-#define        IP_NOIPSEC                      0x4             /* No IPSec processing */
+#define        IP_NOIPSEC              0x4             /* No IPSec processing */

 #define        IP_ROUTETOIF            SO_DONTROUTE    /* bypass routing tables (0x0010) */
 #define        IP_ALLOWBROADCAST       SO_BROADCAST    /* can send broadcast packets (0x0020) */
 #define        IP_ROUTETOIF            SO_DONTROUTE    /* bypass routing tables (0x0010) */
 #define        IP_ALLOWBROADCAST       SO_BROADCAST    /* can send broadcast packets (0x0020) */

+#define        IP_OUTARGS              0x100           /* has ancillary output info */

 
 struct ip;
 struct inpcb;
 struct route;
 struct sockopt;
 
 
 struct ip;
 struct inpcb;
 struct route;
 struct sockopt;
 

+/*
+ * Extra information passed to ip_output when IP_OUTARGS is set.
+ */
+struct ip_out_args {
+       unsigned int    ipoa_ifscope;   /* interface scope */
+};
+

 extern struct  ipstat  ipstat;
 #if !defined(RANDOM_IP_ID) || RANDOM_IP_ID == 0
 extern u_short ip_id;                          /* ip packet ctr, for ids */
 extern struct  ipstat  ipstat;
 #if !defined(RANDOM_IP_ID) || RANDOM_IP_ID == 0
 extern u_short ip_id;                          /* ip packet ctr, for ids */


@@ -195,22 +219,22 @@ extern struct protosw *ip_protox[];
 extern struct socket *ip_rsvpd;        /* reservation protocol daemon */
 extern struct socket *ip_mrouter; /* multicast routing daemon */
 extern int     (*legal_vif_num)(int);
 extern struct socket *ip_rsvpd;        /* reservation protocol daemon */
 extern struct socket *ip_mrouter; /* multicast routing daemon */
 extern int     (*legal_vif_num)(int);

-extern u_long  (*ip_mcast_src)(int);
+extern u_int32_t       (*ip_mcast_src)(int);

 extern int rsvp_on;
 extern struct  pr_usrreqs rip_usrreqs;
 extern int rsvp_on;
 extern struct  pr_usrreqs rip_usrreqs;

+extern int     ip_doscopedroute;

 
 int     ip_ctloutput(struct socket *, struct sockopt *sopt);
 void    ip_drain(void);
 void    ip_freemoptions(struct ip_moptions *);
 
 int     ip_ctloutput(struct socket *, struct sockopt *sopt);
 void    ip_drain(void);
 void    ip_freemoptions(struct ip_moptions *);

-void    ip_init(void);
+void    ip_init(void) __attribute__((section("__TEXT, initcode")));

 extern int      (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *,
                          struct ip_moptions *);
 extern int      (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *,
                          struct ip_moptions *);

-int     ip_output(struct mbuf *,
-           struct mbuf *, struct route *, int, struct ip_moptions *);
-int     ip_output_list(struct mbuf *, int,
-           struct mbuf *, struct route *, int, struct ip_moptions *);
-struct in_ifaddr *
-        ip_rtaddr(struct in_addr, struct route *);
+extern int ip_output(struct mbuf *, struct mbuf *, struct route *, int,
+    struct ip_moptions *, struct ip_out_args *);
+extern int ip_output_list(struct mbuf *, int, struct mbuf *, struct route *,
+    int, struct ip_moptions *, struct ip_out_args *);
+struct in_ifaddr *ip_rtaddr(struct in_addr);

 void    ip_savecontrol(struct inpcb *, struct mbuf **, struct ip *,
                struct mbuf *);
 void    ip_slowtimo(void);
 void    ip_savecontrol(struct inpcb *, struct mbuf **, struct ip *,
                struct mbuf *);
 void    ip_slowtimo(void);


@@ -223,10 +247,10 @@ u_int16_t
 #endif
 int    rip_ctloutput(struct socket *, struct sockopt *);
 void   rip_ctlinput(int, struct sockaddr *, void *);
 #endif
 int    rip_ctloutput(struct socket *, struct sockopt *);
 void   rip_ctlinput(int, struct sockaddr *, void *);

-void   rip_init(void);
+void   rip_init(void) __attribute__((section("__TEXT, initcode")));

 void   rip_input(struct mbuf *, int);
 void   rip_input(struct mbuf *, int);

-int    rip_output(struct mbuf *, struct socket *, u_long);
-int    rip_unlock(struct socket *, int, int);
+int    rip_output(struct mbuf *, struct socket *, u_int32_t, struct mbuf *);
+int    rip_unlock(struct socket *, int, void *);

 void   ipip_input(struct mbuf *, int);
 void   rsvp_input(struct mbuf *, int);
 int    ip_rsvp_init(struct socket *);
 void   ipip_input(struct mbuf *, int);
 void   rsvp_input(struct mbuf *, int);
 int    ip_rsvp_init(struct socket *);


@@ -237,5 +261,16 @@ void       ip_rsvp_force_done(struct socket *);
 
 void   in_delayed_cksum(struct mbuf *m);
 
 
 void   in_delayed_cksum(struct mbuf *m);
 

-#endif KERNEL_PRIVATE
-#endif !_NETINET_IP_VAR_H_
+extern void tcp_in_cksum_stats(u_int32_t);
+extern void tcp_out_cksum_stats(u_int32_t);
+
+extern void udp_in_cksum_stats(u_int32_t);
+extern void udp_out_cksum_stats(u_int32_t);
+
+int rip_send(struct socket *, int , struct mbuf *, struct sockaddr *, 
+                       struct mbuf *, struct proc *);
+
+extern int ip_fragment(struct mbuf *, struct ifnet *, unsigned long, int);
+
+#endif /* KERNEL_PRIVATE */
+#endif /* !_NETINET_IP_VAR_H_ */