* 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
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 */
+ int32_t 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 */
/*
* 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 */
+ 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_BROADCAST 0x400000 /* route represents a bcast address */
short rts_unreach; /* lookups which failed */
short rts_wildcard; /* lookups satisfied by a wildcard */
};
+
/*
* Structures for routing messages.
*/
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 */
+ 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 */
};
+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_long 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));
+void route_init(void);
+void rt_ifmsg(struct ifnet *);
+void rt_missmsg(int, struct rt_addrinfo *, int, int);
+void rt_newaddrmsg(int, struct ifaddr *, int, struct rtentry *);
+void rt_newmaddrmsg(int, struct ifmultiaddr *);
+int rt_setgate(struct rtentry *, struct sockaddr *, struct sockaddr *);
+void rtalloc(struct route *);
+void rtalloc_ign(struct route *, u_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
+ rtalloc1(struct sockaddr *, int, u_long);
+struct rtentry *
+ rtalloc1_locked(const struct sockaddr *, int, u_long);
+void rtfree(struct rtentry *);
+void rtfree_locked(struct rtentry *);
+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.
+ */
+void rtunref(struct rtentry *);
+void rtsetifa(struct rtentry *, struct ifaddr *);
+int rtinit(struct ifaddr *, int, int);
+int rtinit_locked(struct ifaddr *, int, int);
+int rtioctl(int, caddr_t, struct proc *);
+void rtredirect(struct sockaddr *, struct sockaddr *,
+ struct sockaddr *, int, struct sockaddr *, struct rtentry **);
+int rtrequest(int, struct sockaddr *,
+ struct sockaddr *, struct sockaddr *, int, struct rtentry **);
+int rtrequest_locked(int, struct sockaddr *,
+ struct sockaddr *, struct sockaddr *, int, struct rtentry **);
+#endif KERNEL_PRIVATE
#endif
projects / apple / xnu.git / blobdiff