/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000,2007 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,
- * 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) 1980, 1986, 1993
* SUCH DAMAGE.
*
* @(#)route.h 8.3 (Berkeley) 4/19/94
+ * $FreeBSD: src/sys/net/route.h,v 1.36.2.1 2000/08/16 06:14:23 jayanth Exp $
*/
#ifndef _NET_ROUTE_H_
#define _NET_ROUTE_H_
+#include <sys/appleapiopts.h>
+#include <sys/types.h>
+#include <sys/socket.h>
/*
* Kernel resident routing tables.
* to a routing entry. These are often held by protocols
* in their control blocks, e.g. inpcb.
*/
+#ifdef PRIVATE
+struct rtentry;
struct route {
struct rtentry *ro_rt;
struct sockaddr ro_dst;
+ u_long reserved[2]; /* for future use if needed */
};
+#else
+struct route;
+#endif /* PRIVATE */
/*
* These numbers are used by reliable protocols for determining
* retransmission behavior and are included in the routing structure.
*/
struct rt_metrics {
- u_long rmx_locks; /* Kernel must leave these values alone */
- u_long rmx_mtu; /* MTU for this path */
- u_long rmx_hopcount; /* max hops expected */
- u_long rmx_expire; /* lifetime for route, e.g. redirect */
- u_long rmx_recvpipe; /* inbound delay-bandwidth product */
- u_long rmx_sendpipe; /* outbound delay-bandwidth product */
- u_long rmx_ssthresh; /* outbound gateway buffer limit */
- u_long rmx_rtt; /* estimated round trip time */
- u_long rmx_rttvar; /* estimated rtt variance */
- u_long rmx_pksent; /* packets sent using this route */
- u_long rmx_filler[4]; /* will be used for T/TCP later */
+ u_int32_t rmx_locks; /* Kernel must leave these values alone */
+ u_int32_t rmx_mtu; /* MTU for this path */
+ u_int32_t rmx_hopcount; /* max hops expected */
+ int32_t rmx_expire; /* lifetime for route, e.g. redirect */
+ u_int32_t rmx_recvpipe; /* inbound delay-bandwidth product */
+ u_int32_t rmx_sendpipe; /* outbound delay-bandwidth product */
+ u_int32_t rmx_ssthresh; /* outbound gateway buffer limit */
+ u_int32_t rmx_rtt; /* estimated round trip time */
+ u_int32_t rmx_rttvar; /* estimated rtt variance */
+ u_int32_t rmx_pksent; /* packets sent using this route */
+ u_int32_t rmx_filler[4]; /* will be used for T/TCP later */
};
/*
* rmx_rtt and rmx_rttvar are stored as microseconds;
- * RTTTOPRHZ(rtt) converts to a value suitable for use
- * by a protocol slowtimo counter.
*/
#define RTM_RTTUNIT 1000000 /* units for rtt, rttvar, as units per sec */
-#define RTTTOPRHZ(r) ((r) / (RTM_RTTUNIT / PR_SLOWHZ))
/*
* XXX kernel function pointer `rt_output' is visible to applications.
*/
-struct mbuf;
/*
* We distinguish between routes to hosts and routes to networks,
* gateways are marked so that the output routines know to address the
* gateway rather than the ultimate destination.
*/
+#ifdef PRIVATE
#ifndef RNF_NORMAL
#include <net/radix.h>
#endif
#define rt_key(r) ((struct sockaddr *)((r)->rt_nodes->rn_key))
#define rt_mask(r) ((struct sockaddr *)((r)->rt_nodes->rn_mask))
struct sockaddr *rt_gateway; /* value */
- short rt_filler; /* was short flags field */
- short rt_refcnt; /* # held references */
+ int32_t rt_refcnt; /* # held references */
u_long rt_flags; /* up/down?, host/net */
struct ifnet *rt_ifp; /* the answer: interface to use */
u_long rt_dlt; /* DLIL dl_tag */
caddr_t rt_llinfo; /* pointer to link level info cache */
struct rt_metrics rt_rmx; /* metrics used by rx'ing protocols */
struct rtentry *rt_gwroute; /* implied entry for gatewayed routes */
- int (*rt_output) __P((struct ifnet *, struct mbuf *,
- struct sockaddr *, struct rtentry *));
+ int (*rt_output)(struct ifnet *, struct mbuf *,
+ struct sockaddr *, struct rtentry *);
/* output routine for this (rt,if) */
- struct rtentry *rt_parent; /* cloning parent of this route */
- void *rt_filler2; /* more filler */
+ struct rtentry *rt_parent; /* cloning parent of this route */
+ u_long generation_id; /* route generation id */
};
+#endif /* PRIVATE */
+#ifdef __APPLE_API_OBSOLETE
/*
* Following structure necessary for 4.3 compatibility;
* We should eventually move it to a compat file.
u_long rt_use; /* raw # packets forwarded */
struct ifnet *rt_ifp; /* the answer: interface to use */
};
+#endif /* __APPLE_API_OBSOLETE */
+#ifdef PRIVATE
#define rt_use rt_rmx.rmx_pksent
+#endif /* PRIVATE */
#define RTF_UP 0x1 /* route usable */
#define RTF_GATEWAY 0x2 /* destination is a gateway */
#define RTF_DYNAMIC 0x10 /* created dynamically (by redirect) */
#define RTF_MODIFIED 0x20 /* modified dynamically (by redirect) */
#define RTF_DONE 0x40 /* message confirmed */
-/* 0x80 unused */
+#define RTF_DELCLONE 0x80 /* delete cloned route */
#define RTF_CLONING 0x100 /* generate new routes on use */
#define RTF_XRESOLVE 0x200 /* external daemon resolves name */
#define RTF_LLINFO 0x400 /* generated by link layer (e.g. ARP) */
#define RTF_PRCLONING 0x10000 /* protocol requires cloning */
#define RTF_WASCLONED 0x20000 /* route generated through cloning */
#define RTF_PROTO3 0x40000 /* protocol specific routing flag */
-/* 0x80000 unused */
+ /* 0x80000 unused */
#define RTF_PINNED 0x100000 /* future use */
-#define RTF_LOCAL 0x200000 /* route represents a local address */
+#define RTF_LOCAL 0x200000 /* route represents a local address */
#define RTF_BROADCAST 0x400000 /* route represents a bcast address */
#define RTF_MULTICAST 0x800000 /* route represents a mcast address */
+#define RTF_TRACKREFS 0x1000000 /* Debug references and releases */
/* 0x1000000 and up unassigned */
/*
short rts_unreach; /* lookups which failed */
short rts_wildcard; /* lookups satisfied by a wildcard */
};
+
/*
* Structures for routing messages.
*/
struct rt_msghdr {
- u_short rtm_msglen; /* to skip over non-understood messages */
- u_char rtm_version; /* future binary compatibility */
- u_char rtm_type; /* message type */
- u_short rtm_index; /* index for associated ifp */
- int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
- int rtm_addrs; /* bitmask identifying sockaddrs in msg */
- pid_t rtm_pid; /* identify sender */
- int rtm_seq; /* for sender to identify action */
- int rtm_errno; /* why failed */
- int rtm_use; /* from rtentry */
- u_long rtm_inits; /* which metrics we are initializing */
- struct rt_metrics rtm_rmx; /* metrics themselves */
+ u_short rtm_msglen; /* to skip over non-understood messages */
+ u_char rtm_version; /* future binary compatibility */
+ u_char rtm_type; /* message type */
+ u_short rtm_index; /* index for associated ifp */
+ int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
+ int rtm_addrs; /* bitmask identifying sockaddrs in msg */
+ pid_t rtm_pid; /* identify sender */
+ int rtm_seq; /* for sender to identify action */
+ int rtm_errno; /* why failed */
+ int rtm_use; /* from rtentry */
+ u_int32_t rtm_inits; /* which metrics we are initializing */
+ struct rt_metrics rtm_rmx; /* metrics themselves */
};
+struct rt_msghdr2 {
+ u_short rtm_msglen; /* to skip over non-understood messages */
+ u_char rtm_version; /* future binary compatibility */
+ u_char rtm_type; /* message type */
+ u_short rtm_index; /* index for associated ifp */
+ int rtm_flags; /* flags, incl. kern & message, e.g. DONE */
+ int rtm_addrs; /* bitmask identifying sockaddrs in msg */
+ int32_t rtm_refcnt; /* reference count */
+ int rtm_parentflags; /* flags of the parent route */
+ int rtm_reserved; /* reserved field set to 0 */
+ int rtm_use; /* from rtentry */
+ u_int32_t rtm_inits; /* which metrics we are initializing */
+ struct rt_metrics rtm_rmx; /* metrics themselves */
+};
+
+
#define RTM_VERSION 5 /* Up the ante and ignore older versions */
/*
#define RTM_IFINFO 0xe /* iface going up/down etc. */
#define RTM_NEWMADDR 0xf /* mcast group membership being added to if */
#define RTM_DELMADDR 0x10 /* mcast group membership being deleted */
+#ifdef PRIVATE
+#define RTM_GET_SILENT 0x11
+#endif PRIVATE
+#define RTM_IFINFO2 0x12 /* */
+#define RTM_NEWMADDR2 0x13 /* */
+#define RTM_GET2 0x14 /* */
/*
* Bitmask values for rtm_inits and rmx_locks.
int any_count;
};
-#ifdef KERNEL
-#define RTFREE(rt) \
- if ((rt)->rt_refcnt <= 1) \
- rtfree(rt); \
- else \
- (rt)->rt_refcnt--;
-#define RTHOLD(rt) { \
- if (++(rt)->rt_refcnt <= 0) \
- panic("RTHOLD"); \
-}
-
+#ifdef KERNEL_PRIVATE
+#define RTFREE(rt) rtfree(rt)
extern struct route_cb route_cb;
extern struct radix_node_head *rt_tables[AF_MAX+1];
struct ifmultiaddr;
struct proc;
-void route_init __P((void));
-void rt_ifmsg __P((struct ifnet *));
-void rt_missmsg __P((int, struct rt_addrinfo *, int, int));
-void rt_newaddrmsg __P((int, struct ifaddr *, int, struct rtentry *));
-void rt_newmaddrmsg __P((int, struct ifmultiaddr *));
-int rt_setgate __P((struct rtentry *,
- struct sockaddr *, struct sockaddr *));
-void rtalloc __P((struct route *));
-void rtalloc_ign __P((struct route *, unsigned long));
-struct rtentry *
- rtalloc1 __P((struct sockaddr *, int, unsigned long));
-void rtfree __P((struct rtentry *));
-int rtinit __P((struct ifaddr *, int, int));
-int rtioctl __P((int, caddr_t, struct proc *));
-void rtredirect __P((struct sockaddr *, struct sockaddr *,
- struct sockaddr *, int, struct sockaddr *, struct rtentry **));
-int rtrequest __P((int, struct sockaddr *,
- struct sockaddr *, struct sockaddr *, int, struct rtentry **));
-#endif
+__private_extern__ int rttrash;
+
+extern void route_init(void) __attribute__((section("__TEXT, initcode")));
+extern void rt_ifmsg(struct ifnet *);
+extern void rt_missmsg(int, struct rt_addrinfo *, int, int);
+extern void rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *);
+extern void rt_newmaddrmsg(int, struct ifmultiaddr *);
+extern int rt_setgate(struct rtentry *, struct sockaddr *, struct sockaddr *);
+extern void rtalloc(struct route *);
+extern void rtalloc_ign(struct route *, u_long);
+extern void rtalloc_ign_locked(struct route *, u_long );
+extern struct rtentry *rtalloc1(struct sockaddr *, int, u_long);
+extern struct rtentry *rtalloc1_locked(struct sockaddr *, int, u_long);
+extern void rtfree(struct rtentry *);
+extern void rtfree_locked(struct rtentry *);
+extern void rtref(struct rtentry *);
+/*
+ * rtunref will decrement the refcount, rtfree will decrement and free if
+ * the refcount has reached zero and the route is not up.
+ * Unless you have good reason to do otherwise, use rtfree.
+ */
+extern void rtunref(struct rtentry *);
+extern void rtsetifa(struct rtentry *, struct ifaddr *);
+extern int rtinit(struct ifaddr *, int, int);
+extern int rtinit_locked(struct ifaddr *, int, int);
+extern int rtioctl(int, caddr_t, struct proc *);
+extern void rtredirect(struct sockaddr *, struct sockaddr *,
+ struct sockaddr *, int, struct sockaddr *, struct rtentry **);
+extern int rtrequest(int, struct sockaddr *,
+ struct sockaddr *, struct sockaddr *, int, struct rtentry **);
+extern int rtrequest_locked(int, struct sockaddr *,
+ struct sockaddr *, struct sockaddr *, int, struct rtentry **);
+extern struct rtentry *rte_alloc(void);
+extern void rte_free(struct rtentry *);
+#endif KERNEL_PRIVATE
#endif
projects / apple / xnu.git / blobdiff