/*
- * 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,
- * 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
#include <sys/kern_event.h>
#endif
-#ifdef __APPLE_API_UNSTABLE
+#ifdef KERNEL_PRIVATE
+#include <net/route.h>
/*
* Interface address, Internet version. One of these structures
* 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_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 */
+ 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 */
+ TAILQ_ENTRY(in_ifaddr) ia_hash; /* hash bucket entry */
};
+#endif /* KERNEL_PRIVATE */
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;
- 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 net_event_data link_data;
+ 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 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 KEV_INET_SIFDSTADDR 4
#define KEV_INET_SIFBRDADDR 5
#define KEV_INET_SIFNETMASK 6
-#endif /* __APPLE__ */
+#define KEV_INET_ARPCOLLISION 7 /* use kev_in_collision */
+#ifdef __APPLE_API_PRIVATE
+#define KEV_INET_PORTINUSE 8 /* use ken_in_portinuse */
+#endif
+
+#ifdef KERNEL_PRIVATE
+#include <net/if_var.h>
+#include <kern/locks.h>
/*
* Given a pointer to an in_ifaddr (ifaddr),
* return a pointer to the addr as a sockaddr_in.
#define IN_LNAOF(in, ifa) \
((ntohl((in).s_addr) & ~((struct in_ifaddr *)(ifa)->ia_subnetmask))
-#endif /* __APPLE_API_UNSTABLE */
+/*
+ * Hash table for IPv4 addresses.
+ */
+__private_extern__ TAILQ_HEAD(in_ifaddrhead, in_ifaddr) in_ifaddrhead;
+__private_extern__ TAILQ_HEAD(in_ifaddrhashhead, in_ifaddr) *in_ifaddrhashtbl;
+__private_extern__ lck_rw_t *in_ifaddr_rwlock;
+
+#define INADDR_HASH(x) (&in_ifaddrhashtbl[inaddr_hashval(x)])
-#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 int apple_hwcksum_tx;
+extern int apple_hwcksum_rx;
+
/*
* Macro for finding the interface (ifnet structure) corresponding to one
* of our IP addresses.
*/
-#define INADDR_TO_IFP(addr, ifp) \
- /* struct in_addr addr; */ \
- /* struct ifnet *ifp; */ \
-{ \
- struct in_ifaddr *ia; \
-\
- 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; \
+#define INADDR_TO_IFP(addr, ifp) \
+ /* struct in_addr addr; */ \
+ /* struct ifnet *ifp; */ \
+{ \
+ struct in_ifaddr *ia; \
+ \
+ lck_rw_lock_shared(in_ifaddr_rwlock); \
+ TAILQ_FOREACH(ia, INADDR_HASH((addr).s_addr), ia_hash) \
+ if (IA_SIN(ia)->sin_addr.s_addr == (addr).s_addr) \
+ break; \
+ (ifp) = (ia == NULL) ? NULL : ia->ia_ifp; \
+ lck_rw_done(in_ifaddr_rwlock); \
}
/*
* Macro for finding the internet address structure (in_ifaddr) corresponding
- * to a given interface (ifnet structure).
+ * to a given interface (ifnet structure). Caller is responsible for freeing
+ * the reference.
*/
-#define IFP_TO_IA(ifp, ia) \
- /* struct ifnet *ifp; */ \
- /* struct in_ifaddr *ia; */ \
-{ \
- for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
- (ia) != NULL && (ia)->ia_ifp != (ifp); \
- (ia) = TAILQ_NEXT((ia), ia_link)) \
- continue; \
+#define IFP_TO_IA(ifp, ia) \
+ /* struct ifnet *ifp; */ \
+ /* struct in_ifaddr *ia; */ \
+{ \
+ lck_rw_lock_shared(in_ifaddr_rwlock); \
+ for ((ia) = TAILQ_FIRST(&in_ifaddrhead); \
+ (ia) != NULL && (ia)->ia_ifp != (ifp); \
+ (ia) = TAILQ_NEXT((ia), ia_link)) \
+ continue; \
+ if ((ia) != NULL) \
+ ifaref(&(ia)->ia_ifa); \
+ lck_rw_done(in_ifaddr_rwlock); \
}
-#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
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);
(addr).s_addr) \
break; \
} \
- (inm) = ifma ? ifma->ifma_protospec : 0; \
+ (inm) = ifma ? ifma->ifma_protospec : NULL; \
} while(0)
/*
} 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 */
+
+extern void in_ifaddr_init(void);
+extern struct in_multi *in_addmulti(struct in_addr *, struct ifnet *);
+extern void in_delmulti(struct in_multi **);
+extern int in_control(struct socket *, u_long, caddr_t, struct ifnet *,
+ struct proc *);
+extern void in_rtqdrain(void);
+extern struct radix_node *in_validate(struct radix_node *);
+extern void ip_input(struct mbuf *);
+extern int in_ifadown(struct ifaddr *ifa, int);
+extern void in_ifscrub(struct ifnet *, struct in_ifaddr *, int);
+extern int ipflow_fastforward(struct mbuf *);
+#if IPFLOW
+extern void ipflow_create(const struct route *, struct mbuf *);
+extern void ipflow_slowtimo(void);
+#endif /* IPFLOW */
+extern u_int32_t inaddr_hashval(u_int32_t);
+
+#endif /* KERNEL_PRIVATE */
/* INET6 stuff */
#include <netinet6/in6_var.h>
projects / apple / xnu.git / blobdiff