xnu-1699.24.23.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 c1892feeb7031a98ff71524169a910faca724286..971a881266fcb0f33f14ee67750f0b1657e034ad 100644 (file)
--- a/bsd/netinet/ip_var.h
+++ b/bsd/netinet/ip_var.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
@@ -121,7 +121,7 @@ struct ipq {
  */
 #endif /* KERNEL_PRIVATE */
 #define MAX_IPOPTLEN   40
-#ifdef KERNEL_PRIVATE
+#ifdef XNU_KERNEL_PRIVATE
 
 struct ipoption {
        struct  in_addr ipopt_dst;      /* first-hop dst if source routed */
@@ -133,21 +133,57 @@ struct ipoption {
  * passed to ip_output when IP multicast options are in use.
  */
 struct ip_moptions {
+       decl_lck_mtx_data(, imo_lock);
+       uint32_t imo_refcnt;            /* ref count */
+       uint32_t imo_debug;             /* see ifa_debug flags */
        struct  ifnet *imo_multicast_ifp; /* ifp for outgoing multicasts */
        u_char  imo_multicast_ttl;      /* TTL for outgoing multicasts */
        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_int32_t       imo_multicast_vif;      /* vif num outgoing multicasts */
+       u_short imo_max_memberships;    /* max memberships this socket */
+       struct  in_multi **imo_membership;      /* group memberships */
+       struct  in_mfilter *imo_mfilters;       /* source filters */
+       u_int32_t imo_multicast_vif;    /* vif num outgoing multicasts */
        struct  in_addr imo_multicast_addr; /* ifindex/addr on MULTICAST_IF */
+       void (*imo_trace)               /* callback fn for tracing refs */
+           (struct ip_moptions *, int);
 };
 
+#define        IMO_LOCK_ASSERT_HELD(_imo)                                      \
+       lck_mtx_assert(&(_imo)->imo_lock, LCK_MTX_ASSERT_OWNED)
+
+#define        IMO_LOCK_ASSERT_NOTHELD(_imo)                                   \
+       lck_mtx_assert(&(_imo)->imo_lock, LCK_MTX_ASSERT_NOTOWNED)
+
+#define        IMO_LOCK(_imo)                                                  \
+       lck_mtx_lock(&(_imo)->imo_lock)
+
+#define        IMO_LOCK_SPIN(_imo)                                             \
+       lck_mtx_lock_spin(&(_imo)->imo_lock)
+
+#define        IMO_CONVERT_LOCK(_imo) do {                                     \
+       IMO_LOCK_ASSERT_HELD(_imo);                                     \
+       lck_mtx_convert_spin(&(_imo)->imo_lock);                        \
+} while (0)
+
+#define        IMO_UNLOCK(_imo)                                                \
+       lck_mtx_unlock(&(_imo)->imo_lock)
+
+#define        IMO_ADDREF(_imo)                                                \
+       imo_addref(_imo, 0)
+
+#define        IMO_ADDREF_LOCKED(_imo)                                         \
+       imo_addref(_imo, 1)
+
+#define        IMO_REMREF(_imo)                                                \
+       imo_remref(_imo)
+
 /* mbuf tag for ip_forwarding info */
 struct ip_fwd_tag {
        struct sockaddr_in *next_hop;   /* next_hop */
 };
 
-#endif /* KERNEL_PRIVATE */
+#endif /* XNU_KERNEL_PRIVATE */
 
 struct ipstat {
        u_int32_t       ips_total;              /* total packets received */
@@ -179,6 +215,9 @@ struct      ipstat {
        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 */
+#ifdef PRIVATE
+       u_int32_t       ips_pktdropcntrl;               /* pkt dropped, no mbufs for control data */
+#endif /* PRIVATE */
 };
 
 struct ip_linklocal_stat {
@@ -206,7 +245,8 @@ struct sockopt;
  * Extra information passed to ip_output when IP_OUTARGS is set.
  */
 struct ip_out_args {
-       unsigned int    ipoa_ifscope;   /* interface scope */
+       unsigned int    ipoa_boundif;   /* bound outgoing interface */
+       unsigned int    ipoa_nocell;    /* don't use IFT_CELLULAR */
 };
 
 extern struct  ipstat  ipstat;
@@ -224,9 +264,15 @@ extern int rsvp_on;
 extern struct  pr_usrreqs rip_usrreqs;
 extern int     ip_doscopedroute;
 
+extern void ip_moptions_init(void);
+extern struct ip_moptions *ip_allocmoptions(int);
+extern int inp_getmoptions(struct inpcb *, struct sockopt *);
+extern int inp_setmoptions(struct inpcb *, struct sockopt *);
+extern void imo_addref(struct ip_moptions *, int);
+extern void imo_remref(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) __attribute__((section("__TEXT, initcode")));
 extern int      (*ip_mforward)(struct ip *, struct ifnet *, struct mbuf *,
                          struct ip_moptions *);
@@ -235,7 +281,7 @@ extern int ip_output(struct mbuf *, struct mbuf *, struct route *, int,
 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 *,
+int     ip_savecontrol(struct inpcb *, struct mbuf **, struct ip *,
                struct mbuf *);
 void    ip_slowtimo(void);
 struct mbuf *
@@ -249,7 +295,7 @@ int rip_ctloutput(struct socket *, struct sockopt *);
 void   rip_ctlinput(int, struct sockaddr *, void *);
 void   rip_init(void) __attribute__((section("__TEXT, initcode")));
 void   rip_input(struct mbuf *, int);
-int    rip_output(struct mbuf *, struct socket *, u_int32_t);
+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);