/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#define _NET_IF_VAR_H_
#include <sys/appleapiopts.h>
+#include <stdint.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/queue.h> /* get TAILQ macros */
#ifdef KERNEL_PRIVATE
#include <kern/locks.h>
#endif /* KERNEL_PRIVATE */
+#ifdef PRIVATE
+#include <net/route.h>
+#endif
#ifdef KERNEL
#include <net/kpi_interface.h>
-#endif KERNEL
+#endif /* KERNEL */
#ifdef __APPLE__
#define APPLE_IF_FAM_LOOPBACK 1
*/
struct net_event_data {
- unsigned long if_family;
- unsigned long if_unit;
- char if_name[IFNAMSIZ];
+ u_int32_t if_family;
+ u_int32_t if_unit;
+ char if_name[IFNAMSIZ];
};
+#if defined(__LP64__)
+#define __need_struct_timeval32
+#include <sys/_structs.h>
+#define IF_DATA_TIMEVAL timeval32
+#else
+#define IF_DATA_TIMEVAL timeval
+#endif
+
+#pragma pack(4)
+
/*
* Structure describing information about an interface
* which may be of interest to management entities.
*/
struct if_data {
/* generic interface information */
- unsigned char ifi_type; /* ethernet, tokenring, etc */
-#ifdef __APPLE__
- unsigned char ifi_typelen; /* Length of frame type id */
-#endif
- unsigned char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
- unsigned char ifi_addrlen; /* media address length */
- unsigned char ifi_hdrlen; /* media header length */
- unsigned char ifi_recvquota; /* polling quota for receive intrs */
- unsigned char ifi_xmitquota; /* polling quota for xmit intrs */
- unsigned char ifi_unused1; /* for future use */
- unsigned long ifi_mtu; /* maximum transmission unit */
- unsigned long ifi_metric; /* routing metric (external only) */
- unsigned long ifi_baudrate; /* linespeed */
+ u_char ifi_type; /* ethernet, tokenring, etc */
+ u_char ifi_typelen; /* Length of frame type id */
+ u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
+ u_char ifi_addrlen; /* media address length */
+ u_char ifi_hdrlen; /* media header length */
+ u_char ifi_recvquota; /* polling quota for receive intrs */
+ u_char ifi_xmitquota; /* polling quota for xmit intrs */
+ u_char ifi_unused1; /* for future use */
+ u_int32_t ifi_mtu; /* maximum transmission unit */
+ u_int32_t ifi_metric; /* routing metric (external only) */
+ u_int32_t ifi_baudrate; /* linespeed */
/* volatile statistics */
- unsigned long ifi_ipackets; /* packets received on interface */
- unsigned long ifi_ierrors; /* input errors on interface */
- unsigned long ifi_opackets; /* packets sent on interface */
- unsigned long ifi_oerrors; /* output errors on interface */
- unsigned long ifi_collisions; /* collisions on csma interfaces */
- unsigned long ifi_ibytes; /* total number of octets received */
- unsigned long ifi_obytes; /* total number of octets sent */
- unsigned long ifi_imcasts; /* packets received via multicast */
- unsigned long ifi_omcasts; /* packets sent via multicast */
- unsigned long ifi_iqdrops; /* dropped on input, this interface */
- unsigned long ifi_noproto; /* destined for unsupported protocol */
- unsigned long ifi_recvtiming; /* usec spent receiving when timing */
- unsigned long ifi_xmittiming; /* usec spent xmitting when timing */
- struct timeval ifi_lastchange; /* time of last administrative change */
- unsigned long ifi_unused2; /* used to be the default_proto */
- unsigned long ifi_hwassist; /* HW offload capabilities */
- unsigned long ifi_reserved1; /* for future use */
- unsigned long ifi_reserved2; /* for future use */
+ u_int32_t ifi_ipackets; /* packets received on interface */
+ u_int32_t ifi_ierrors; /* input errors on interface */
+ u_int32_t ifi_opackets; /* packets sent on interface */
+ u_int32_t ifi_oerrors; /* output errors on interface */
+ u_int32_t ifi_collisions; /* collisions on csma interfaces */
+ u_int32_t ifi_ibytes; /* total number of octets received */
+ u_int32_t ifi_obytes; /* total number of octets sent */
+ u_int32_t ifi_imcasts; /* packets received via multicast */
+ u_int32_t ifi_omcasts; /* packets sent via multicast */
+ u_int32_t ifi_iqdrops; /* dropped on input, this interface */
+ u_int32_t ifi_noproto; /* destined for unsupported protocol */
+ u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
+ u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
+ struct IF_DATA_TIMEVAL ifi_lastchange; /* time of last administrative change */
+ u_int32_t ifi_unused2; /* used to be the default_proto */
+ u_int32_t ifi_hwassist; /* HW offload capabilities */
+ u_int32_t ifi_reserved1; /* for future use */
+ u_int32_t ifi_reserved2; /* for future use */
};
/*
*/
struct if_data64 {
/* generic interface information */
- u_char ifi_type; /* ethernet, tokenring, etc */
-#ifdef __APPLE__
- u_char ifi_typelen; /* Length of frame type id */
-#endif
+ u_char ifi_type; /* ethernet, tokenring, etc */
+ u_char ifi_typelen; /* Length of frame type id */
u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
u_char ifi_addrlen; /* media address length */
u_char ifi_hdrlen; /* media header length */
u_char ifi_recvquota; /* polling quota for receive intrs */
u_char ifi_xmitquota; /* polling quota for xmit intrs */
u_char ifi_unused1; /* for future use */
- u_long ifi_mtu; /* maximum transmission unit */
- u_long ifi_metric; /* routing metric (external only) */
+ u_int32_t ifi_mtu; /* maximum transmission unit */
+ u_int32_t ifi_metric; /* routing metric (external only) */
u_int64_t ifi_baudrate; /* linespeed */
/* volatile statistics */
u_int64_t ifi_ipackets; /* packets received on interface */
u_int64_t ifi_omcasts; /* packets sent via multicast */
u_int64_t ifi_iqdrops; /* dropped on input, this interface */
u_int64_t ifi_noproto; /* destined for unsupported protocol */
- u_long ifi_recvtiming; /* usec spent receiving when timing */
- u_long ifi_xmittiming; /* usec spent xmitting when timing */
- struct timeval ifi_lastchange; /* time of last administrative change */
+ u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
+ u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
+ struct IF_DATA_TIMEVAL ifi_lastchange; /* time of last administrative change */
};
+#pragma pack()
+
#ifdef PRIVATE
/*
* Internal storage of if_data. This is bound to change. Various places in the
*/
struct if_data_internal {
/* generic interface information */
- u_char ifi_type; /* ethernet, tokenring, etc */
- u_char ifi_typelen; /* Length of frame type id */
- u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
- u_char ifi_addrlen; /* media address length */
- u_char ifi_hdrlen; /* media header length */
- u_char ifi_recvquota; /* polling quota for receive intrs */
- u_char ifi_xmitquota; /* polling quota for xmit intrs */
- u_char ifi_unused1; /* for future use */
- u_long ifi_mtu; /* maximum transmission unit */
- u_long ifi_metric; /* routing metric (external only) */
- u_long ifi_baudrate; /* linespeed */
+ u_char ifi_type; /* ethernet, tokenring, etc */
+ u_char ifi_typelen; /* Length of frame type id */
+ u_char ifi_physical; /* e.g., AUI, Thinnet, 10base-T, etc */
+ u_char ifi_addrlen; /* media address length */
+ u_char ifi_hdrlen; /* media header length */
+ u_char ifi_recvquota; /* polling quota for receive intrs */
+ u_char ifi_xmitquota; /* polling quota for xmit intrs */
+ u_char ifi_unused1; /* for future use */
+ u_int32_t ifi_mtu; /* maximum transmission unit */
+ u_int32_t ifi_metric; /* routing metric (external only) */
+ u_int32_t ifi_baudrate; /* linespeed */
/* volatile statistics */
u_int64_t ifi_ipackets; /* packets received on interface */
u_int64_t ifi_ierrors; /* input errors on interface */
u_int64_t ifi_opackets; /* packets sent on interface */
u_int64_t ifi_oerrors; /* output errors on interface */
u_int64_t ifi_collisions; /* collisions on csma interfaces */
- u_int64_t ifi_ibytes; /* total number of octets received */
- u_int64_t ifi_obytes; /* total number of octets sent */
+ u_int64_t ifi_ibytes; /* total number of octets received */
+ u_int64_t ifi_obytes; /* total number of octets sent */
u_int64_t ifi_imcasts; /* packets received via multicast */
u_int64_t ifi_omcasts; /* packets sent via multicast */
u_int64_t ifi_iqdrops; /* dropped on input, this interface */
u_int64_t ifi_noproto; /* destined for unsupported protocol */
- u_long ifi_recvtiming; /* usec spent receiving when timing */
- u_long ifi_xmittiming; /* usec spent xmitting when timing */
+ u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
+ u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
#define IF_LASTCHANGEUPTIME 1 /* lastchange: 1-uptime 0-calendar time */
struct timeval ifi_lastchange; /* time of last administrative change */
- u_long ifi_hwassist; /* HW offload capabilities */
+ u_int32_t ifi_hwassist; /* HW offload capabilities */
+ u_int32_t ifi_tso_v4_mtu; /* TCP Segment Offload IPv4 maximum segment size */
+ u_int32_t ifi_tso_v6_mtu; /* TCP Segment Offload IPv6 maximum segment size */
};
#define if_mtu if_data.ifi_mtu
#define if_recvquota if_data.ifi_recvquota
#define if_xmitquota if_data.ifi_xmitquota
#define if_iflags if_data.ifi_iflags
+#define if_tso_v4_mtu if_data.ifi_tso_v4_mtu
+#define if_tso_v6_mtu if_data.ifi_tso_v6_mtu
struct mbuf;
struct ifaddr;
TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
TAILQ_HEAD(ddesc_head_name, dlil_demux_desc);
-/* bottom 16 bits reserved for hardware checksum */
-#define IF_HWASSIST_CSUM_IP 0x0001 /* will csum IP */
-#define IF_HWASSIST_CSUM_TCP 0x0002 /* will csum TCP */
-#define IF_HWASSIST_CSUM_UDP 0x0004 /* will csum UDP */
-#define IF_HWASSIST_CSUM_IP_FRAGS 0x0008 /* will csum IP fragments */
-#define IF_HWASSIST_CSUM_FRAGMENT 0x0010 /* will do IP fragmentation */
-#define IF_HWASSIST_CSUM_TCP_SUM16 0x1000 /* simple TCP Sum16 computation */
+/* All of the following IF_HWASSIST_* flags are defined
+ * in kpi_inteface.h as IFNET_* flags. These are redefined
+ * here as constants to avoid failures to build user level
+ * programs that can not include kpi_interface.h. It is
+ * important to keep this in sync with the definitions in
+ * kpi_interface.h. The corresponding constant for each
+ * definition is mentioned in the comment.
+ *
+ * Bottom 16 bits reserved for hardware checksum
+ */
+#define IF_HWASSIST_CSUM_IP 0x0001 /* will csum IP, IFNET_CSUM_IP */
+#define IF_HWASSIST_CSUM_TCP 0x0002 /* will csum TCP, IFNET_CSUM_TCP */
+#define IF_HWASSIST_CSUM_UDP 0x0004 /* will csum UDP, IFNET_CSUM_UDP */
+#define IF_HWASSIST_CSUM_IP_FRAGS 0x0008 /* will csum IP fragments, IFNET_CSUM_FRAGMENT */
+#define IF_HWASSIST_CSUM_FRAGMENT 0x0010 /* will do IP fragmentation, IFNET_IP_FRAGMENT */
+#define IF_HWASSIST_CSUM_TCP_SUM16 0x1000 /* simple TCP Sum16 computation, IFNET_CSUM_SUM16 */
#define IF_HWASSIST_CSUM_MASK 0xffff
#define IF_HWASSIST_CSUM_FLAGS(hwassist) ((hwassist) & IF_HWASSIST_CSUM_MASK)
/* VLAN support */
-#define IF_HWASSIST_VLAN_TAGGING 0x10000 /* supports VLAN tagging */
-#define IF_HWASSIST_VLAN_MTU 0x20000 /* supports VLAN MTU-sized packet (for software VLAN) */
+#define IF_HWASSIST_VLAN_TAGGING 0x00010000 /* supports VLAN tagging, IFNET_VLAN_TAGGING */
+#define IF_HWASSIST_VLAN_MTU 0x00020000 /* supports VLAN MTU-sized packet (for software VLAN), IFNET_VLAN_MTU */
+
+/* TCP Segment Offloading support */
+
+#define IF_HWASSIST_TSO_V4 0x00200000 /* will do TCP Segment offload for IPv4, IFNET_TSO_IPV4 */
+#define IF_HWASSIST_TSO_V6 0x00400000 /* will do TCP Segment offload for IPv6, IFNET_TSO_IPV6 */
#define IFNET_RW_LOCK 1
+#endif /* PRIVATE */
/*
* Structure defining a queue for a network interface.
*/
int ifq_drops;
};
+#ifdef PRIVATE
+
struct ddesc_head_str;
struct proto_hash_entry;
struct kev_msg;
+struct dlil_threading_info;
+#if PF
+struct pfi_kif;
+#endif /* PF */
/*
* Structure defining a network interface.
const char *if_name; /* name, e.g. ``en'' or ``lo'' */
TAILQ_ENTRY(ifnet) if_link; /* all struct ifnets are chained */
struct ifaddrhead if_addrhead; /* linked list of addresses per if */
- u_long if_refcnt;
+ u_int32_t if_refcnt;
#ifdef __KPI_INTERFACE__
ifnet_check_multi if_check_multi;
#else
void* if_check_multi;
-#endif __KPI_INTERFACE__
+#endif /* __KPI_INTERFACE__ */
int if_pcount; /* number of promiscuous listeners */
struct bpf_if *if_bpf; /* packet filter structure */
u_short if_index; /* numeric abbreviation for this if */
#else
int refcnt;
#endif
- int offercnt;
#ifdef __KPI_INTERFACE__
ifnet_output_func if_output;
ifnet_ioctl_func if_ioctl;
ifnet_demux_func if_demux;
ifnet_event_func if_event;
ifnet_framer_func if_framer;
- ifnet_family_t if_family; /* ulong assigned by Apple */
+ ifnet_family_t if_family; /* value assigned by Apple */
#else
void* if_output;
void* if_ioctl;
void* if_demux;
void* if_event;
void* if_framer;
- u_long if_family; /* ulong assigned by Apple */
+ u_int32_t if_family; /* value assigned by Apple */
#endif
struct ifnet_filter_head if_flt_head;
/* End DLIL specific */
- u_long if_delayed_detach; /* need to perform delayed detach */
+ u_int32_t if_delayed_detach; /* need to perform delayed detach */
void *if_private; /* private to interface */
long if_eflags; /* autoaddr, autoaddr done, etc. */
int if_amcount; /* number of all-multicast requests */
/* procedure handles */
#ifdef __KPI_INTERFACE__
- union {
- int (*original)(struct ifnet *ifp, u_long protocol_family,
- struct ddesc_head_str *demux_desc_head);
- ifnet_add_proto_func kpi;
- } if_add_proto_u;
+ ifnet_add_proto_func if_add_proto;
ifnet_del_proto_func if_del_proto;
-#else __KPI_INTERFACE__
+#else /* !__KPI_INTERFACE__ */
void* if_add_proto;
void* if_del_proto;
-#endif __KPI_INTERFACE__
+#endif /* !__KPI_INTERFACE__ */
struct proto_hash_entry *if_proto_hash;
void *if_kpi_storage;
-
+#if 0
void *unused_was_init;
+#else
+ struct dlil_threading_info *if_input_thread;
+#endif
void *unused_was_resolvemulti;
struct ifqueue if_snd;
- u_long unused_2[1];
+ u_int32_t unused_2[1];
#ifdef __APPLE__
- u_long family_cookie;
+ uintptr_t family_cookie;
struct ifprefixhead if_prefixhead; /* list of prefixes per if */
#ifdef _KERN_LOCKS_H_
struct ifprefixhead if_prefixhead; /* list of prefixes per if */
#endif /* __APPLE__ */
struct {
- u_long length;
+ u_int32_t length;
union {
u_char buffer[8];
u_char *ptr;
} u;
} if_broadcast;
-};
+#if CONFIG_MACF_NET
+ struct label *if_label; /* interface MAC label */
+#endif
-#define if_add_proto if_add_proto_u.original
+ u_int32_t if_wake_properties;
+#if PF
+ struct thread *if_pf_curthread;
+ struct pfi_kif *if_pf_kif;
+#endif /* PF */
+#ifdef _KERN_LOCKS_H_
+ lck_mtx_t *if_fwd_route_lock;
+#else
+ void *if_fwd_route_lock;
+#endif
+ struct route if_fwd_route; /* cached IPv4 forwarding route */
+ void *if_bridge; /* bridge glue */
+};
#ifndef __APPLE__
/* for compatibility with other BSDs */
#define if_addrlist if_addrhead
#define if_list if_link
-#endif !__APPLE__
+#endif /* !__APPLE__ */
#endif /* PRIVATE */
};
#define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) \
- { { 0, 0 }, name, sizeof(name) - 1, minifs, maxunit, NULL, 0, create, destroy }
+ { { NULL, NULL }, name, sizeof(name) - 1, minifs, maxunit, NULL, 0, create, destroy }
/*
* Bit values in if_ipending
#ifdef MT_HEADER
int if_enq_drop(struct ifqueue *, struct mbuf *);
-#endif MT_HEADER
+#endif /* MT_HEADER */
-#endif defined(__GNUC__) && defined(MT_HEADER)
+#endif /* defined(__GNUC__) && defined(MT_HEADER) */
#endif /* KERNEL_PRIVATE */
struct sockaddr *ifa_netmask; /* used to determine subnet */
struct ifnet *ifa_ifp; /* back-pointer to interface */
TAILQ_ENTRY(ifaddr) ifa_link; /* queue macro glue */
- void (*ifa_rtrequest) /* check or clean routes (+ or -)'d */
- (int, struct rtentry *, struct sockaddr *);
- u_short ifa_flags; /* mostly rt_flags for cloning */
- int ifa_refcnt;/* 32bit ref count, use ifaref, ifafree */
- int ifa_metric; /* cost of going out this interface */
-#ifdef notdef
- struct rtentry *ifa_rt; /* XXXX for ROUTETOIF ????? */
-#endif
- int (*ifa_claim_addr) /* check if an addr goes to this if */
- (struct ifaddr *, const struct sockaddr *);
- u_long ifa_debug; /* debug flags */
+ void (*ifa_rtrequest) /* check or clean routes (+ or -)'d */
+ (int, struct rtentry *, struct sockaddr *);
+ uint32_t ifa_flags; /* mostly rt_flags for cloning */
+ int32_t ifa_refcnt; /* ref count, use ifaref, ifafree */
+ int32_t ifa_metric; /* cost of going out this interface */
+ void (*ifa_free)(struct ifaddr *); /* callback fn for freeing */
+ void (*ifa_trace) /* callback fn for tracing refs */
+ (struct ifaddr *, int);
+ uint32_t ifa_debug; /* debug flags */
};
+
+/*
+ * Valid values for ifa_flags
+ */
#define IFA_ROUTE RTF_UP /* route installed (0x1) */
#define IFA_CLONING RTF_CLONING /* (0x100) */
-#define IFA_ATTACHED 0x1 /* ifa_debug: IFA is attached to an interface */
+
+/*
+ * Valid values for ifa_debug
+ */
+#define IFD_ATTACHED 0x1 /* attached to an interface */
+#define IFD_ALLOC 0x2 /* dynamically allocated */
+#define IFD_DEBUG 0x4 /* has debugging info */
#endif /* PRIVATE */
extern struct ifnethead ifnet_head;
extern struct ifnet **ifindex2ifnet;
extern int ifqmaxlen;
-extern struct ifnet loif[];
+extern ifnet_t lo_ifp;
extern int if_index;
extern struct ifaddr **ifnet_addrs;
-extern struct ifnet *lo_ifp;
int if_addmulti(struct ifnet *, const struct sockaddr *, struct ifmultiaddr **);
int if_allmulti(struct ifnet *, int);
int if_delmultiaddr(struct ifmultiaddr *ifma, int locked);
int if_delmulti(struct ifnet *, const struct sockaddr *);
void if_down(struct ifnet *);
+int if_down_all(void);
void if_route(struct ifnet *, int flag, int fam);
void if_unroute(struct ifnet *, int flag, int fam);
void if_up(struct ifnet *);
struct ifnet *ifunit(const char *);
struct ifnet *if_withname(struct sockaddr *);
-void if_clone_attach(struct if_clone *);
+int if_clone_attach(struct if_clone *);
void if_clone_detach(struct if_clone *);
void ifnet_lock_assert(struct ifnet *ifp, int what);
void ifma_release(struct ifmultiaddr *ifma);
struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);
+struct ifaddr *ifa_ifwithaddr_scoped(const struct sockaddr *, unsigned int);
struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
+struct ifaddr *ifa_ifwithnet_scoped(const struct sockaddr *, unsigned int);
struct ifaddr *ifa_ifwithroute(int, const struct sockaddr *, const struct sockaddr *);
+struct ifaddr *ifa_ifwithroute_locked(int, const struct sockaddr *, const struct sockaddr *);
+struct ifaddr *ifa_ifwithroute_scoped_locked(int, const struct sockaddr *,
+ const struct sockaddr *, unsigned int);
struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
+struct ifaddr *ifa_ifpgetprimary(struct ifnet *, int);
void ifafree(struct ifaddr *);
void ifaref(struct ifaddr *);
struct ifmultiaddr *ifmaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
+extern struct in_ifaddr *ifa_foraddr(unsigned int);
+extern struct in_ifaddr *ifa_foraddr_scoped(unsigned int, unsigned int);
+
#ifdef BSD_KERNEL_PRIVATE
-void if_data_internal_to_if_data(const struct if_data_internal *if_data_int,
- struct if_data *if_data);
-void if_data_internal_to_if_data64(const struct if_data_internal *if_data_int,
+enum {
+ kIfNetUseCount_MayBeZero = 0,
+ kIfNetUseCount_MustNotBeZero = 1
+};
+
+int ifp_use(struct ifnet *ifp, int handle_zero);
+int ifp_unuse(struct ifnet *ifp);
+void ifp_use_reached_zero(struct ifnet *ifp);
+
+void if_data_internal_to_if_data(struct ifnet *ifp, const struct if_data_internal *if_data_int,
+ struct if_data *if_data);
+void if_data_internal_to_if_data64(struct ifnet *ifp, const struct if_data_internal *if_data_int,
struct if_data64 *if_data64);
#endif /* BSD_KERNEL_PRIVATE */
#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff