xnu-1228.12.14.tar.gz

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

diff --git a/bsd/netinet/in_var.h b/bsd/netinet/in_var.h
index e33e1ea2efa60159dfc777fce1ec47e4d98d1c92..fe1bc48995133fce5c90e4a3fdea399530abcfd7 100644 (file)
--- a/bsd/netinet/in_var.h
+++ b/bsd/netinet/in_var.h
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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.

  * 
  * 

- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * 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.
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * Copyright (c) 1985, 1986, 1993
  */
 /*
  * Copyright (c) 1985, 1986, 1993


@@ -64,7 +70,8 @@
 #include <sys/kern_event.h>
 #endif
 
 #include <sys/kern_event.h>
 #endif
 

-#ifdef __APPLE_API_UNSTABLE
+#ifdef PRIVATE
+#include <net/route.h>

 
 /*
  * Interface address, Internet version.  One of these structures
 
 /*
  * Interface address, Internet version.  One of these structures


@@ -73,55 +80,61 @@
  * of the structure and is assumed to be first.
  */
 struct in_ifaddr {
  * of the structure and is assumed to be first.
  */
 struct in_ifaddr {

-       struct  ifaddr ia_ifa;          /* protocol-independent info */
-#define        ia_ifp          ia_ifa.ifa_ifp
-#define ia_flags       ia_ifa.ifa_flags
-                                       /* ia_{,sub}net{,mask} in host order */
-       u_long  ia_net;                 /* network number of interface */
-       u_long  ia_netmask;             /* mask of net part */
-       u_long  ia_subnet;              /* subnet number, including net */
-       u_long  ia_subnetmask;          /* mask of subnet part */
-       struct  in_addr ia_netbroadcast; /* to recognize net broadcasts */
-       TAILQ_ENTRY(in_ifaddr) ia_link; /* tailq macro glue */
-       struct  sockaddr_in ia_addr;    /* reserve space for interface name */
-       struct  sockaddr_in ia_dstaddr; /* reserve space for broadcast addr */
-#define        ia_broadaddr    ia_dstaddr
-       struct  sockaddr_in ia_sockmask; /* reserve space for general netmask */
+       struct ifaddr           ia_ifa;         /* protocol-independent info */
+#define        ia_ifp                  ia_ifa.ifa_ifp
+#define        ia_flags                ia_ifa.ifa_flags
+                                               /* ia_{,sub}net{,mask} in host order */
+       u_long                  ia_net;         /* network number of interface */
+       u_long                  ia_netmask;     /* mask of net part */
+       u_long                  ia_subnet;      /* subnet number, including net */
+       u_long                  ia_subnetmask;  /* mask of subnet part */
+       struct in_addr          ia_netbroadcast; /* to recognize net broadcasts */
+       TAILQ_ENTRY(in_ifaddr)  ia_link;        /* tailq macro glue */
+       struct sockaddr_in      ia_addr;        /* reserve space for interface name */
+       struct sockaddr_in      ia_dstaddr;     /* reserve space for broadcast addr */
+#define        ia_broadaddr            ia_dstaddr
+       struct sockaddr_in      ia_sockmask;    /* reserve space for general netmask */

 };
 };

+#endif /* PRIVATE */

 
 struct in_aliasreq {
 
 struct in_aliasreq {

-       char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-       struct  sockaddr_in ifra_addr;
-       struct  sockaddr_in ifra_broadaddr;
-#define ifra_dstaddr ifra_broadaddr
-       struct  sockaddr_in ifra_mask;
-#ifdef __APPLE__
-        u_long              dlt;
-#endif
+       char                    ifra_name[IFNAMSIZ];    /* if name, e.g. "en0" */
+       struct sockaddr_in      ifra_addr;
+       struct sockaddr_in      ifra_broadaddr;
+#define ifra_dstaddr           ifra_broadaddr
+       struct sockaddr_in      ifra_mask;
+       u_int32_t               ifra_unused;    /* not used: used to be 'dlt' */

 };
 
 };
 

-#ifdef __APPLE__

 /*
  * Event data, internet style.
  */
 struct kev_in_data {
        struct net_event_data   link_data;
 /*
  * Event data, internet style.
  */
 struct kev_in_data {
        struct net_event_data   link_data;

-       struct in_addr  ia_addr;
-       u_long  ia_net;                 /* network number of interface */
-       u_long  ia_netmask;             /* mask of net part */
-       u_long  ia_subnet;              /* subnet number, including net */
-       u_long  ia_subnetmask;          /* mask of subnet part */
-       struct  in_addr ia_netbroadcast; /* to recognize net broadcasts */
-       struct  in_addr ia_dstaddr;
+       struct in_addr          ia_addr;
+       u_int32_t               ia_net;         /* network number of interface */
+       u_int32_t               ia_netmask;     /* mask of net part */
+       u_int32_t               ia_subnet;      /* subnet number, including net */
+       u_int32_t               ia_subnetmask;  /* mask of subnet part */
+       struct in_addr          ia_netbroadcast;/* to recognize net broadcasts */
+       struct in_addr          ia_dstaddr;

 };
 
 struct kev_in_collision {
 };
 
 struct kev_in_collision {

-       struct  net_event_data  link_data;      /* link colliding arp was received on */
-       struct  in_addr ia_ipaddr;      /* IP address we and another node are using */
-       u_char  hw_len; /* length of hardware address */
-       u_char  hw_addr[0];     /* variable length hardware address */
+       struct net_event_data   link_data;      /* link colliding arp was received on */
+       struct in_addr          ia_ipaddr;      /* IP address we and another node are using */
+       u_char                  hw_len;         /* length of hardware address */
+       u_char                  hw_addr[0];     /* variable length hardware address */

 };
 
 };
 

+#ifdef __APPLE_API_PRIVATE
+struct kev_in_portinuse {
+       u_int16_t               port;           /* conflicting port number in host order */
+       u_int32_t               req_pid;        /* PID port requestor */
+       u_int32_t               reserved[2];    
+};
+#endif
+

 
 /*
  * Define inet event subclass and specific inet events.
 
 /*
  * Define inet event subclass and specific inet events.


@@ -136,8 +149,12 @@ struct kev_in_collision {
 #define KEV_INET_SIFBRDADDR   5
 #define KEV_INET_SIFNETMASK   6
 #define KEV_INET_ARPCOLLISION 7        /* use kev_in_collision */
 #define KEV_INET_SIFBRDADDR   5
 #define KEV_INET_SIFNETMASK   6
 #define KEV_INET_ARPCOLLISION 7        /* use kev_in_collision */

-#endif /* __APPLE__ */

 
 

+#ifdef __APPLE_API_PRIVATE
+#define KEV_INET_PORTINUSE    8        /* use ken_in_portinuse */
+#endif
+
+#ifdef KERNEL_PRIVATE

 /*
  * Given a pointer to an in_ifaddr (ifaddr),
  * return a pointer to the addr as a sockaddr_in.
 /*
  * Given a pointer to an in_ifaddr (ifaddr),
  * return a pointer to the addr as a sockaddr_in.


@@ -148,14 +165,14 @@ struct kev_in_collision {
 #define IN_LNAOF(in, ifa) \
        ((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
 
 #define IN_LNAOF(in, ifa) \
        ((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
 

-#endif /* __APPLE_API_UNSTABLE */
-
-#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE

 extern TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead;
 extern struct  ifqueue ipintrq;                /* ip packet input queue */
 extern struct  in_addr zeroin_addr;
 extern u_char  inetctlerrmap[];
 extern TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead;
 extern struct  ifqueue ipintrq;                /* ip packet input queue */
 extern struct  in_addr zeroin_addr;
 extern u_char  inetctlerrmap[];

+extern lck_mtx_t *rt_mtx;
+
+extern int apple_hwcksum_tx;
+extern int apple_hwcksum_rx;

 
 /*
  * Macro for finding the interface (ifnet structure) corresponding to one
 
 /*
  * Macro for finding the interface (ifnet structure) corresponding to one


@@ -167,10 +184,13 @@ extern    u_char  inetctlerrmap[];
 { \
        struct in_ifaddr *ia; \
 \
 { \
        struct in_ifaddr *ia; \
 \

+       lck_mtx_assert(rt_mtx, LCK_MTX_ASSERT_NOTOWNED); \
+       lck_mtx_lock(rt_mtx); \

        TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) \
                if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) \
                        break; \
        (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \
        TAILQ_FOREACH(ia, &in_ifaddrhead, ia_link) \
                if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) \
                        break; \
        (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \

+       lck_mtx_unlock(rt_mtx); \

 }
 
 /*
 }
 
 /*


@@ -181,15 +201,15 @@ extern    u_char  inetctlerrmap[];
        /* struct ifnet *ifp; */ \
        /* struct in_ifaddr *ia; */ \
 { \
        /* struct ifnet *ifp; */ \
        /* struct in_ifaddr *ia; */ \
 { \

+       lck_mtx_assert(rt_mtx, LCK_MTX_ASSERT_NOTOWNED); \
+       lck_mtx_lock(rt_mtx); \

        for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
            (ia) != NULL && (ia)->ia_ifp != (ifp); \
            (ia) = TAILQ_NEXT((ia), ia_link)) \
                continue; \
        for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
            (ia) != NULL && (ia)->ia_ifp != (ifp); \
            (ia) = TAILQ_NEXT((ia), ia_link)) \
                continue; \

+       lck_mtx_unlock(rt_mtx); \

 }
 }

-#endif /* __APPLE_API_PRIVATE */
-#endif

 
 

-#ifdef __APPLE_API_UNSTABLE

 /*
  * This information should be part of the ifnet structure but we don't wish
  * to change that - as it might break a number of things
 /*
  * This information should be part of the ifnet structure but we don't wish
  * to change that - as it might break a number of things


@@ -219,10 +239,6 @@ struct in_multi {
        u_int   inm_state;              /*  state of the membership */
        struct  router_info *inm_rti;   /* router info*/
 };
        u_int   inm_state;              /*  state of the membership */
        struct  router_info *inm_rti;   /* router info*/
 };

-#endif /* __APPLE_API_UNSTABLE */
-
-#ifdef KERNEL
-#ifdef __APPLE_API_PRIVATE

 
 #ifdef SYSCTL_DECL
 SYSCTL_DECL(_net_inet_ip);
 
 #ifdef SYSCTL_DECL
 SYSCTL_DECL(_net_inet_ip);


@@ -256,7 +272,7 @@ do { \
                    (addr).s_addr) \
                        break; \
        } \
                    (addr).s_addr) \
                        break; \
        } \

-       (inm) = ifma ? ifma->ifma_protospec : 0; \
+       (inm) = ifma ? ifma->ifma_protospec : NULL; \

 } while(0)
 
 /*
 } while(0)
 
 /*


@@ -283,20 +299,20 @@ do { \
 } while(0)
 
 struct route;
 } while(0)
 
 struct route;

-struct in_multi *in_addmulti __P((struct in_addr *, struct ifnet *));
-void   in_delmulti __P((struct in_multi *));
-int    in_control __P((struct socket *, u_long, caddr_t, struct ifnet *,
-                       struct proc *));
-void   in_rtqdrain __P((void));
-void   ip_input __P((struct mbuf *));
-int    in_ifadown __P((struct ifaddr *ifa, int));
-void   in_ifscrub __P((struct ifnet *, struct in_ifaddr *));
-int    ipflow_fastforward __P((struct mbuf *));
-void   ipflow_create __P((const struct route *, struct mbuf *));
-void   ipflow_slowtimo __P((void));
-
-#endif /* __APPLE_API_PRIVATE */
-#endif /* _KERNEL */
+struct in_multi *in_addmulti(struct in_addr *, struct ifnet *);
+void   in_delmulti(struct in_multi **);
+int    in_control(struct socket *, u_long, caddr_t, struct ifnet *,
+                       struct proc *);
+void   in_rtqdrain(void);
+extern struct radix_node *in_validate(struct radix_node *);
+void   ip_input(struct mbuf *);
+int    in_ifadown(struct ifaddr *ifa, int);
+void   in_ifscrub(struct ifnet *, struct in_ifaddr *, int);
+int    ipflow_fastforward(struct mbuf *);
+void   ipflow_create(const struct route *, struct mbuf *);
+void   ipflow_slowtimo(void);
+
+#endif /* KERNEL_PRIVATE */

 
 /* INET6 stuff */
 #include <netinet6/in6_var.h>
 
 /* INET6 stuff */
 #include <netinet6/in6_var.h>