X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/4452a7af2eac33dbad800bcc91f2399d62c18f53..d41d1dae2cd00cc08c7982087d1c445180cad9f5:/bsd/netinet/ip_var.h

diff --git a/bsd/netinet/ip_var.h b/bsd/netinet/ip_var.h
index 53702d8a2..9d4044d4c 100644
--- a/bsd/netinet/ip_var.h
+++ b/bsd/netinet/ip_var.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -59,6 +59,12 @@
  *
  *	@(#)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_
@@ -76,6 +82,9 @@ struct ipovly {
 };
 
 #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.
@@ -89,9 +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_long	ipq_nfrags;
+	u_int32_t	ipq_nfrags;
 	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 */
@@ -127,7 +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_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 */
 };
 
@@ -139,57 +150,65 @@ struct ip_fwd_tag {
 #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 {
-	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 */
-#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_OUTARGS		0x100		/* has ancillary output info */
 
 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 */
@@ -200,22 +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 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	ip_doscopedroute;
 
 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 *);
-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);
@@ -228,10 +247,10 @@ u_int16_t
 #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);
-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 *);
@@ -242,5 +261,16 @@ void	ip_rsvp_force_done(struct socket *);
 
 void	in_delayed_cksum(struct mbuf *m);
 
+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_ */