/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
*
- * @APPLE_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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * 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.
+ *
+ * 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.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1989, 1993
#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
#define APPLE_IF_FAM_DISC 8
#define APPLE_IF_FAM_MDECAP 9
#define APPLE_IF_FAM_GIF 10
-#define APPLE_IF_FAM_FAITH 11
+#define APPLE_IF_FAM_FAITH 11 /* deprecated */
#define APPLE_IF_FAM_STF 12
#define APPLE_IF_FAM_FIREWIRE 13
#define APPLE_IF_FAM_BOND 14
*/
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__)
+#include <sys/_types/_timeval32.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 */
};
#ifdef PRIVATE
+struct if_traffic_class {
+ u_int64_t ifi_ibepackets; /* TC_BE packets received on interface */
+ u_int64_t ifi_ibebytes; /* TC_BE bytes received on interface */
+ u_int64_t ifi_obepackets; /* TC_BE packet sent on interface */
+ u_int64_t ifi_obebytes; /* TC_BE bytes sent on interface */
+ u_int64_t ifi_ibkpackets; /* TC_BK packets received on interface */
+ u_int64_t ifi_ibkbytes; /* TC_BK bytes received on interface */
+ u_int64_t ifi_obkpackets; /* TC_BK packet sent on interface */
+ u_int64_t ifi_obkbytes; /* TC_BK bytes sent on interface */
+ u_int64_t ifi_ivipackets; /* TC_VI packets received on interface */
+ u_int64_t ifi_ivibytes; /* TC_VI bytes received on interface */
+ u_int64_t ifi_ovipackets; /* TC_VI packets sent on interface */
+ u_int64_t ifi_ovibytes; /* TC_VI bytes sent on interface */
+ u_int64_t ifi_ivopackets; /* TC_VO packets received on interface */
+ u_int64_t ifi_ivobytes; /* TC_VO bytes received on interface */
+ u_int64_t ifi_ovopackets; /* TC_VO packets sent on interface */
+ u_int64_t ifi_ovobytes; /* TC_VO bytes sent on interface */
+ u_int64_t ifi_ipvpackets; /* TC priv packets received on interface */
+ u_int64_t ifi_ipvbytes; /* TC priv bytes received on interface */
+ u_int64_t ifi_opvpackets; /* TC priv packets sent on interface */
+ u_int64_t ifi_opvbytes; /* TC priv bytes sent on interface */
+};
+
+struct if_data_extended {
+ u_int64_t ifi_alignerrs; /* unaligned (32-bit) input pkts */
+ u_int64_t ifi_dt_bytes; /* Data threshold counter */
+ u_int64_t ifi_fpackets; /* forwarded packets on interface */
+ u_int64_t ifi_fbytes; /* forwarded bytes on interface */
+ u_int64_t reserved[12]; /* for future */
+};
+
+struct if_packet_stats {
+ /* TCP */
+ u_int64_t ifi_tcp_badformat;
+ u_int64_t ifi_tcp_unspecv6;
+ u_int64_t ifi_tcp_synfin;
+ u_int64_t ifi_tcp_badformatipsec;
+ u_int64_t ifi_tcp_noconnnolist;
+ u_int64_t ifi_tcp_noconnlist;
+ u_int64_t ifi_tcp_listbadsyn;
+ u_int64_t ifi_tcp_icmp6unreach;
+ u_int64_t ifi_tcp_deprecate6;
+ u_int64_t ifi_tcp_rstinsynrcv;
+ u_int64_t ifi_tcp_ooopacket;
+ u_int64_t ifi_tcp_dospacket;
+ u_int64_t ifi_tcp_cleanup;
+ u_int64_t ifi_tcp_synwindow;
+ u_int64_t reserved[6];
+ /* UDP */
+ u_int64_t ifi_udp_port_unreach;
+ u_int64_t ifi_udp_faithprefix;
+ u_int64_t ifi_udp_port0;
+ u_int64_t ifi_udp_badlength;
+ u_int64_t ifi_udp_badchksum;
+ u_int64_t ifi_udp_badmcast;
+ u_int64_t ifi_udp_cleanup;
+ u_int64_t ifi_udp_badipsec;
+ u_int64_t _reserved[4];
+};
+
+struct if_description {
+ u_int32_t ifd_maxlen; /* must be IF_DESCSIZE */
+ u_int32_t ifd_len; /* actual ifd_desc length */
+ u_int8_t *ifd_desc; /* ptr to desc buffer */
+};
+
+struct if_bandwidths {
+ u_int64_t eff_bw; /* effective bandwidth */
+ u_int64_t max_bw; /* maximum theoretical bandwidth */
+};
+
+struct if_latencies {
+ u_int64_t eff_lt; /* effective latency */
+ u_int64_t max_lt; /* maximum theoretical latency */
+};
+
+struct if_rxpoll_stats {
+ u_int32_t ifi_poll_off_req; /* total # of POLL_OFF reqs */
+ u_int32_t ifi_poll_off_err; /* total # of POLL_OFF errors */
+ u_int32_t ifi_poll_on_req; /* total # of POLL_ON reqs */
+ u_int32_t ifi_poll_on_err; /* total # of POLL_ON errors */
+
+ u_int32_t ifi_poll_wakeups_avg; /* avg # of wakeup reqs */
+ u_int32_t ifi_poll_wakeups_lowat; /* wakeups low watermark */
+ u_int32_t ifi_poll_wakeups_hiwat; /* wakeups high watermark */
+
+ u_int64_t ifi_poll_packets; /* total # of polled packets */
+ u_int32_t ifi_poll_packets_avg; /* average polled packets */
+ u_int32_t ifi_poll_packets_min; /* smallest polled packets */
+ u_int32_t ifi_poll_packets_max; /* largest polled packets */
+ u_int32_t ifi_poll_packets_lowat; /* packets low watermark */
+ u_int32_t ifi_poll_packets_hiwat; /* packets high watermark */
+
+ u_int64_t ifi_poll_bytes; /* total # of polled bytes */
+ u_int32_t ifi_poll_bytes_avg; /* average polled bytes */
+ u_int32_t ifi_poll_bytes_min; /* smallest polled bytes */
+ u_int32_t ifi_poll_bytes_max; /* largest polled bytes */
+ u_int32_t ifi_poll_bytes_lowat; /* bytes low watermark */
+ u_int32_t ifi_poll_bytes_hiwat; /* bytes high watermark */
+
+ u_int32_t ifi_poll_packets_limit; /* max packets per poll call */
+ u_int64_t ifi_poll_interval_time; /* poll interval (nsec) */
+};
+#endif /* PRIVATE */
+
+#pragma pack()
+
+/*
+ * Structure defining a queue for a network interface.
+ */
+struct ifqueue {
+ void *ifq_head;
+ void *ifq_tail;
+ int ifq_len;
+ int ifq_maxlen;
+ int ifq_drops;
+};
+
+#ifdef BSD_KERNEL_PRIVATE
/*
* Internal storage of if_data. This is bound to change. Various places in the
* stack will translate this data structure in to the externally visible
- * if_data structure above.
+ * if_data structure above. Note that during interface attach time, the
+ * embedded if_data structure in ifnet is cleared, with the exception of
+ * some non-statistics related fields.
*/
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 */
+ u_int32_t _pad;
/* 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 */
-#define IF_LASTCHANGEUPTIME 1 /* lastchange: 1-uptime 0-calendar time */
+ u_int32_t ifi_recvtiming; /* usec spent receiving when timing */
+ u_int32_t ifi_xmittiming; /* usec spent xmitting when timing */
+ u_int64_t ifi_alignerrs; /* unaligned (32-bit) input pkts */
+ u_int64_t ifi_dt_bytes; /* Data threshold counter */
+ u_int64_t ifi_fpackets; /* forwarded packets on interface */
+ u_int64_t ifi_fbytes; /* forwarded bytes on interface */
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 */
+};
+
+#if MEASURE_BW
+/*
+ * Fields per interface to measure perceived bandwidth.
+ */
+struct if_measured_bw {
+ u_int64_t bw; /* measured bandwidth in bytes per ms */
+ u_int64_t bytes; /* XXX not needed */
+ u_int64_t ts; /* XXX not needed */
+ u_int64_t cur_seq __attribute((aligned(8))); /* current sequence for marking a packet */
+ u_int64_t start_ts; /* time at which a measurement started */
+ u_int64_t start_seq; /* sequence at which a measurement should start */
+ u_int64_t last_seq; /* last recorded seq */
+ u_int64_t last_ts; /* last recorded ts */
+ u_int32_t flags __attribute__((aligned(4))); /* flags */
+#define IF_MEASURED_BW_INPROGRESS 0x1
+#define IF_MEASURED_BW_CALCULATION 0x2
};
+#endif /* MEASURE_BW */
+#endif /* BSD_KERNEL_PRIVATE */
+#ifdef PRIVATE
#define if_mtu if_data.ifi_mtu
#define if_type if_data.ifi_type
#define if_typelen if_data.ifi_typelen
#define if_lastchange if_data.ifi_lastchange
#define if_recvquota if_data.ifi_recvquota
#define if_xmitquota if_data.ifi_xmitquota
-#define if_iflags if_data.ifi_iflags
-
-struct mbuf;
-struct ifaddr;
-TAILQ_HEAD(ifnethead, ifnet); /* we use TAILQs so that the order of */
-TAILQ_HEAD(ifaddrhead, ifaddr); /* instantiation is preserved in the list */
-TAILQ_HEAD(ifprefixhead, ifprefix);
-LIST_HEAD(ifmultihead, ifmultiaddr);
-struct tqdummy;
-TAILQ_HEAD(tailq_head, tqdummy);
+#endif /* PRIVATE */
+#ifdef BSD_KERNEL_PRIVATE
+#define if_tso_v4_mtu if_data.ifi_tso_v4_mtu
+#define if_tso_v6_mtu if_data.ifi_tso_v6_mtu
+#define if_alignerrs if_data.ifi_alignerrs
+#define if_dt_bytes if_data.ifi_dt_bytes
+#define if_fpackets if_data.ifi_fpackets
+#define if_fbytes if_data.ifi_fbytes
+#endif /* BSD_KERNEL_PRIVATE */
+#ifdef BSD_KERNEL_PRIVATE
/*
* Forward structure declarations for function prototypes [sic].
*/
-struct proc;
-struct rtentry;
-struct socket;
-struct ether_header;
-struct sockaddr_dl;
+struct proc;
+struct rtentry;
+struct socket;
struct ifnet_filter;
+struct mbuf;
+struct ifaddr;
+struct tqdummy;
+struct proto_hash_entry;
+struct dlil_threading_info;
+struct tcpstat_local;
+struct udpstat_local;
+#if PF
+struct pfi_kif;
+#endif /* PF */
+/* we use TAILQs so that the order of instantiation is preserved in the list */
+TAILQ_HEAD(ifnethead, ifnet);
+TAILQ_HEAD(ifaddrhead, ifaddr);
+TAILQ_HEAD(ifprefixhead, ifprefix);
+LIST_HEAD(ifmultihead, ifmultiaddr);
+TAILQ_HEAD(tailq_head, tqdummy);
TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
TAILQ_HEAD(ddesc_head_name, dlil_demux_desc);
+#endif /* BSD_KERNEL_PRIVATE */
-/* 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 */
+#ifdef PRIVATE
+/*
+ * 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_TCPIPV6 0x0020 /* will csum TCPv6, IFNET_CSUM_TCPIPV6 */
+#define IF_HWASSIST_CSUM_UDPIPV6 0x0040 /* will csum UDPv6, IFNET_CSUM_UDP */
+#define IF_HWASSIST_CSUM_FRAGMENT_IPV6 0x0080 /* will do IPv6 fragmentation, IFNET_IPV6_FRAGMENT */
+#define IF_HWASSIST_CSUM_PARTIAL 0x1000 /* simple Sum16 computation, IFNET_CSUM_PARTIAL */
#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 */
-#define IFNET_RW_LOCK 1
+/* 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 */
+#endif /* PRIVATE */
+
+#ifdef PRIVATE
+#define IFXNAMSIZ (IFNAMSIZ + 8) /* external name (name + unit) */
+#endif
+
+#ifdef BSD_KERNEL_PRIVATE
/*
- * Structure defining a queue for a network interface.
+ * ifnet is private to BSD portion of kernel
*/
-struct ifqueue {
- void *ifq_head;
- void *ifq_tail;
- int ifq_len;
- int ifq_maxlen;
- int ifq_drops;
-};
+#include <sys/mcache.h>
+#include <sys/tree.h>
+#include <netinet/in.h>
+#include <net/if_dl.h>
+#include <net/classq/if_classq.h>
+#include <net/if_types.h>
-struct ddesc_head_str;
-struct proto_hash_entry;
-struct kev_msg;
+RB_HEAD(ll_reach_tree, if_llreach); /* define struct ll_reach_tree */
+#define if_name(ifp) ifp->if_xname
/*
* Structure defining a network interface.
*
* (Would like to call this struct ``if'', but C isn't PL/1.)
*/
struct ifnet {
- void *if_softc; /* pointer to driver state */
- 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;
-#ifdef __KPI_INTERFACE__
- ifnet_check_multi if_check_multi;
-#else
- void* if_check_multi;
-#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 */
- short if_unit; /* sub-unit for lower level driver */
- short if_timer; /* time 'til if_watchdog called */
- short if_flags; /* up/down, broadcast, etc. */
- int if_ipending; /* interrupts pending */
- void *if_linkmib; /* link-type-specific MIB data */
- size_t if_linkmiblen; /* length of above data */
- struct if_data_internal if_data;
-
-/* New with DLIL */
-#ifdef BSD_KERNEL_PRIVATE
- int if_usecnt;
-#else
- int refcnt;
-#endif
- int offercnt;
-#ifdef __KPI_INTERFACE__
+ /*
+ * Lock (RW or mutex) to protect this data structure (static storage.)
+ */
+ decl_lck_rw_data(, if_lock);
+ void *if_softc; /* pointer to driver state */
+ const char *if_name; /* name, e.g. ``en'' or ``lo'' */
+ const char *if_xname; /* external name (name + unit) */
+ struct if_description if_desc; /* extended description */
+ TAILQ_ENTRY(ifnet) if_link; /* all struct ifnets are chained */
+ TAILQ_ENTRY(ifnet) if_detaching_link; /* list of detaching ifnets */
+
+ decl_lck_mtx_data(, if_ref_lock)
+ u_int32_t if_refflags; /* see IFRF flags below */
+ u_int32_t if_refio; /* number of io ops to the underlying driver */
+
+#define if_list if_link
+ struct ifaddrhead if_addrhead; /* linked list of addresses per if */
+#define if_addrlist if_addrhead
+ struct ifaddr *if_lladdr; /* link address (first/permanent) */
+
+ int if_pcount; /* number of promiscuous listeners */
+ struct bpf_if *if_bpf; /* packet filter structure */
+ u_short if_index; /* numeric abbreviation for this if */
+ short if_unit; /* sub-unit for lower level driver */
+ short if_timer; /* time 'til if_watchdog called */
+ short if_flags; /* up/down, broadcast, etc. */
+ u_int32_t if_eflags; /* see <net/if.h> */
+
+ int if_capabilities; /* interface features & capabilities */
+ int if_capenable; /* enabled features & capabilities */
+
+ void *if_linkmib; /* link-type-specific MIB data */
+ size_t if_linkmiblen; /* length of above data */
+
+ struct if_data_internal if_data __attribute__((aligned(8)));
+
+ ifnet_family_t if_family; /* value assigned by Apple */
+ ifnet_subfamily_t if_subfamily; /* value assigned by Apple */
+ uintptr_t if_family_cookie;
ifnet_output_func if_output;
+ ifnet_pre_enqueue_func if_pre_enqueue;
+ ifnet_start_func if_start;
+ ifnet_ctl_func if_output_ctl;
+ ifnet_input_poll_func if_input_poll;
+ ifnet_ctl_func if_input_ctl;
ifnet_ioctl_func if_ioctl;
ifnet_set_bpf_tap if_set_bpf_tap;
ifnet_detached_func if_free;
ifnet_demux_func if_demux;
ifnet_event_func if_event;
- ifnet_framer_func if_framer;
- ifnet_family_t if_family; /* ulong assigned by Apple */
-#else
- void* if_output;
- void* if_ioctl;
- void* if_set_bpf_tap;
- void* if_free;
- void* if_demux;
- void* if_event;
- void* if_framer;
- u_long if_family; /* ulong assigned by Apple */
-#endif
+ ifnet_framer_func if_framer_legacy;
+ ifnet_framer_extended_func if_framer;
+ ifnet_add_proto_func if_add_proto;
+ ifnet_del_proto_func if_del_proto;
+ ifnet_check_multi if_check_multi;
+ struct proto_hash_entry *if_proto_hash;
+ void *if_kpi_storage;
+
+ u_int32_t if_flowhash; /* interface flow control ID */
+
+ decl_lck_mtx_data(, if_start_lock);
+ u_int32_t if_start_flags; /* see IFSF flags below */
+ u_int32_t if_start_req;
+ u_int32_t if_start_active; /* output is active */
+ struct timespec if_start_cycle; /* restart interval */
+ struct thread *if_start_thread;
+
+ struct ifclassq if_snd; /* transmit queue */
+ u_int32_t if_output_sched_model; /* tx sched model */
+
+ struct if_bandwidths if_output_bw;
+ struct if_bandwidths if_input_bw;
+
+ struct if_latencies if_output_lt;
+ struct if_latencies if_input_lt;
+ decl_lck_mtx_data(, if_flt_lock)
+ u_int32_t if_flt_busy;
+ u_int32_t if_flt_waiters;
struct ifnet_filter_head if_flt_head;
-/* End DLIL specific */
-
- u_long if_delayed_detach; /* need to perform delayed detach */
- void *if_private; /* private to interface */
- long if_eflags; /* autoaddr, autoaddr done, etc. */
-
- struct ifmultihead if_multiaddrs; /* multicast addresses configured */
- 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_del_proto_func if_del_proto;
-#else __KPI_INTERFACE__
- void* if_add_proto;
- void* if_del_proto;
-#endif __KPI_INTERFACE__
- struct proto_hash_entry *if_proto_hash;
- void *if_kpi_storage;
-
- void *unused_was_init;
- void *unused_was_resolvemulti;
-
- struct ifqueue if_snd;
- u_long unused_2[1];
-#ifdef __APPLE__
- u_long family_cookie;
- struct ifprefixhead if_prefixhead; /* list of prefixes per if */
+ struct ifmultihead if_multiaddrs; /* multicast addresses */
+ u_int32_t if_updatemcasts; /* mcast addrs need updating */
+ int if_amcount; /* # of all-multicast reqs */
+ decl_lck_mtx_data(, if_addrconfig_lock); /* for serializing addr config */
+ struct in_multi *if_allhostsinm; /* store all-hosts inm for this ifp */
-#ifdef _KERN_LOCKS_H_
-#if IFNET_RW_LOCK
- lck_rw_t *if_lock; /* Lock to protect this interface */
-#else
- lck_mtx_t *if_lock; /* Lock to protect this interface */
-#endif
-#else
- void *if_lock;
-#endif
+ decl_lck_mtx_data(, if_poll_lock);
+ u_int16_t if_poll_req;
+ u_int16_t if_poll_update; /* link update */
+ u_int32_t if_poll_active; /* polling is active */
+ struct timespec if_poll_cycle; /* poll interval */
+ struct thread *if_poll_thread;
-#else
- struct ifprefixhead if_prefixhead; /* list of prefixes per if */
-#endif /* __APPLE__ */
+ struct dlil_threading_info *if_inp;
+
+ struct ifprefixhead if_prefixhead; /* list of prefixes per if */
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
+
+ u_int32_t if_wake_properties;
+#if PF
+ struct pfi_kif *if_pf_kif;
+#endif /* PF */
+
+ decl_lck_mtx_data(, if_cached_route_lock);
+ u_int32_t if_fwd_cacheok;
+ struct route if_fwd_route; /* cached forwarding route */
+ struct route if_src_route; /* cached ipv4 source route */
+ struct route_in6 if_src_route6; /* cached ipv6 source route */
+
+ decl_lck_rw_data(, if_llreach_lock);
+ struct ll_reach_tree if_ll_srcs; /* source link-layer tree */
+
+ void *if_bridge; /* bridge glue */
+
+ u_int32_t if_want_aggressive_drain;
+ u_int32_t if_idle_flags; /* idle flags */
+ u_int32_t if_idle_new_flags; /* temporary idle flags */
+ u_int32_t if_idle_new_flags_mask; /* temporary mask */
+ u_int32_t if_route_refcnt; /* idle: route ref count */
+
+ struct if_traffic_class if_tc __attribute__((aligned(8)));
+#if INET
+ struct igmp_ifinfo *if_igi; /* for IGMPv3 */
+#endif /* INET */
+#if INET6
+ struct mld_ifinfo *if_mli; /* for MLDv2 */
+#endif /* INET6 */
+
+ int if_lqm; /* link quality metric */
+#if MEASURE_BW
+ struct if_measured_bw if_bw;
+#endif /* MEASURE_BW */
+ struct tcpstat_local *if_tcp_stat; /* TCP specific stats */
+ struct udpstat_local *if_udp_stat; /* UDP specific stats */
+
+ struct {
+ int32_t level; /* cached logging level */
+ u_int32_t flags; /* cached logging flags */
+ int32_t category; /* cached category */
+ int32_t subcategory; /* cached subcategory */
+ } if_log;
+
+ struct {
+ struct ifnet *ifp; /* delegated ifp */
+ u_int32_t type; /* delegated i/f type */
+ u_int32_t family; /* delegated i/f family */
+ u_int32_t subfamily; /* delegated i/f sub-family */
+ uint32_t expensive:1; /* delegated i/f expensive? */
+ } if_delegated;
+
+ u_int64_t if_data_threshold;
+ u_int32_t if_fg_sendts; /* last send on a fg socket in seconds */
+
+#if INET6
+ decl_lck_rw_data(, if_inet6data_lock);
+ void *if_inet6data;
+#endif
};
-#define if_add_proto if_add_proto_u.original
+#define IF_TCP_STATINC(_ifp, _s) do { \
+ if ((_ifp)->if_tcp_stat != NULL) \
+ atomic_add_64(&(_ifp)->if_tcp_stat->_s, 1); \
+} while (0);
-#ifndef __APPLE__
-/* for compatibility with other BSDs */
-#define if_addrlist if_addrhead
-#define if_list if_link
-#endif !__APPLE__
+#define IF_UDP_STATINC(_ifp, _s) do { \
+ if ((_ifp)->if_udp_stat != NULL) \
+ atomic_add_64(&(_ifp)->if_udp_stat->_s, 1); \
+} while (0);
+/*
+ * Valid values for if_refflags
+ */
+#define IFRF_ATTACHED 0x1 /* ifnet attach is completely done */
+#define IFRF_DETACHING 0x2 /* detach has been requested */
-#endif /* PRIVATE */
+/*
+ * Valid values for if_start_flags
+ */
+#define IFSF_FLOW_CONTROLLED 0x1 /* flow controlled */
-#ifdef KERNEL_PRIVATE
/*
* Structure describing a `cloning' interface.
*/
struct if_clone {
LIST_ENTRY(if_clone) ifc_list; /* on list of cloners */
- const char *ifc_name; /* name of device, e.g. `vlan' */
- size_t ifc_namelen; /* length of name */
- int ifc_minifs; /* minimum number of interfaces */
- int ifc_maxunit; /* maximum unit number */
- unsigned char *ifc_units; /* bitmap to handle units */
- int ifc_bmlen; /* bitmap length */
-
- int (*ifc_create)(struct if_clone *, int);
- void (*ifc_destroy)(struct ifnet *);
+ const char *ifc_name; /* name of device, e.g. `vlan' */
+ size_t ifc_namelen; /* length of name */
+ u_int32_t ifc_minifs; /* minimum number of interfaces */
+ u_int32_t ifc_maxunit; /* maximum unit number */
+ unsigned char *ifc_units; /* bitmap to handle units */
+ u_int32_t ifc_bmlen; /* bitmap length */
+
+ int (*ifc_create)(struct if_clone *, u_int32_t, void *);
+ int (*ifc_destroy)(struct ifnet *);
};
-#define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) \
- { { 0, 0 }, name, sizeof(name) - 1, minifs, maxunit, NULL, 0, create, destroy }
+#define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) { \
+ { NULL, NULL }, name, (sizeof (name) - 1), minifs, maxunit, NULL, 0, \
+ create, destroy \
+}
-/*
- * Bit values in if_ipending
- */
-#define IFI_RECV 1 /* I want to receive */
-#define IFI_XMIT 2 /* I want to transmit */
+#define M_CLONE M_IFADDR
/*
- * Output queues (ifp->if_snd) and slow device input queues (*ifp->if_slowq)
- * are queues of messages stored on ifqueue structures
- * (defined above). Entries are added to and deleted from these structures
- * by these macros, which should be called with ipl raised to splimp().
+ * Macros to manipulate ifqueue. Users of these macros are responsible
+ * for serialization, by holding whatever lock is appropriate for the
+ * corresponding structure that is referring the ifqueue.
*/
#define IF_QFULL(ifq) ((ifq)->ifq_len >= (ifq)->ifq_maxlen)
#define IF_DROP(ifq) ((ifq)->ifq_drops++)
-#define IF_ENQUEUE(ifq, m) { \
- (m)->m_nextpkt = 0; \
- if ((ifq)->ifq_tail == 0) \
- (ifq)->ifq_head = m; \
- else \
- ((struct mbuf*)(ifq)->ifq_tail)->m_nextpkt = m; \
- (ifq)->ifq_tail = m; \
- (ifq)->ifq_len++; \
-}
-#define IF_PREPEND(ifq, m) { \
- (m)->m_nextpkt = (ifq)->ifq_head; \
- if ((ifq)->ifq_tail == 0) \
- (ifq)->ifq_tail = (m); \
- (ifq)->ifq_head = (m); \
- (ifq)->ifq_len++; \
-}
-#define IF_DEQUEUE(ifq, m) { \
- (m) = (ifq)->ifq_head; \
- if (m) { \
- if (((ifq)->ifq_head = (m)->m_nextpkt) == 0) \
- (ifq)->ifq_tail = 0; \
- (m)->m_nextpkt = 0; \
- (ifq)->ifq_len--; \
- } \
-}
-
-#define IF_ENQ_DROP(ifq, m) if_enq_drop(ifq, m)
-#if defined(__GNUC__) && defined(MT_HEADER)
-static __inline int
-if_queue_drop(struct ifqueue *ifq, __unused struct mbuf *m)
-{
- IF_DROP(ifq);
- return 0;
-}
+#define IF_ENQUEUE(ifq, m) do { \
+ (m)->m_nextpkt = NULL; \
+ if ((ifq)->ifq_tail == NULL) \
+ (ifq)->ifq_head = m; \
+ else \
+ ((struct mbuf*)(ifq)->ifq_tail)->m_nextpkt = m; \
+ (ifq)->ifq_tail = m; \
+ (ifq)->ifq_len++; \
+} while (0)
-static __inline int
-if_enq_drop(struct ifqueue *ifq, struct mbuf *m)
-{
- if (IF_QFULL(ifq) &&
- !if_queue_drop(ifq, m))
- return 0;
- IF_ENQUEUE(ifq, m);
- return 1;
-}
-#else
+#define IF_PREPEND(ifq, m) do { \
+ (m)->m_nextpkt = (ifq)->ifq_head; \
+ if ((ifq)->ifq_tail == NULL) \
+ (ifq)->ifq_tail = (m); \
+ (ifq)->ifq_head = (m); \
+ (ifq)->ifq_len++; \
+} while (0)
-#ifdef MT_HEADER
-int if_enq_drop(struct ifqueue *, struct mbuf *);
-#endif MT_HEADER
+#define IF_DEQUEUE(ifq, m) do { \
+ (m) = (ifq)->ifq_head; \
+ if (m != NULL) { \
+ if (((ifq)->ifq_head = (m)->m_nextpkt) == NULL) \
+ (ifq)->ifq_tail = NULL; \
+ (m)->m_nextpkt = NULL; \
+ (ifq)->ifq_len--; \
+ } \
+} while (0)
-#endif defined(__GNUC__) && defined(MT_HEADER)
+#define IF_REMQUEUE(ifq, m) do { \
+ struct mbuf *_p = (ifq)->ifq_head; \
+ struct mbuf *_n = (m)->m_nextpkt; \
+ if ((m) == _p) \
+ _p = NULL; \
+ while (_p != NULL) { \
+ if (_p->m_nextpkt == (m)) \
+ break; \
+ _p = _p->m_nextpkt; \
+ } \
+ VERIFY(_p != NULL || ((m) == (ifq)->ifq_head)); \
+ if ((m) == (ifq)->ifq_head) \
+ (ifq)->ifq_head = _n; \
+ if ((m) == (ifq)->ifq_tail) \
+ (ifq)->ifq_tail = _p; \
+ VERIFY((ifq)->ifq_tail != NULL || (ifq)->ifq_head == NULL); \
+ VERIFY((ifq)->ifq_len != 0); \
+ --(ifq)->ifq_len; \
+ if (_p != NULL) \
+ _p->m_nextpkt = _n; \
+ (m)->m_nextpkt = NULL; \
+} while (0)
-#endif /* KERNEL_PRIVATE */
+#define IF_DRAIN(ifq) do { \
+ struct mbuf *_m; \
+ for (;;) { \
+ IF_DEQUEUE(ifq, _m); \
+ if (_m == NULL) \
+ break; \
+ m_freem(_m); \
+ } \
+} while (0)
-
-#ifdef PRIVATE
/*
* The ifaddr structure contains information about one address
* of an interface. They are maintained by the different address families,
* together so all addresses for an interface can be located.
*/
struct ifaddr {
- struct sockaddr *ifa_addr; /* address of interface */
- struct sockaddr *ifa_dstaddr; /* other end of p-to-p link */
+ decl_lck_mtx_data(, ifa_lock); /* lock for ifaddr */
+ uint32_t ifa_refcnt; /* ref count, use IFA_{ADD,REM}REF */
+ uint32_t ifa_debug; /* debug flags */
+ struct sockaddr *ifa_addr; /* address of interface */
+ struct sockaddr *ifa_dstaddr; /* other end of p-to-p link */
#define ifa_broadaddr ifa_dstaddr /* broadcast address interface */
- struct sockaddr *ifa_netmask; /* used to determine subnet */
- struct ifnet *ifa_ifp; /* back-pointer to interface */
+ 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_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);
+ void (*ifa_attached)(struct ifaddr *); /* callback fn for attaching */
+ void (*ifa_detached)(struct ifaddr *); /* callback fn for detaching */
};
+
+/*
+ * 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 */
-#endif /* PRIVATE */
+/*
+ * Valid values for ifa_debug
+ */
+#define IFD_ATTACHED 0x1 /* attached to list */
+#define IFD_ALLOC 0x2 /* dynamically allocated */
+#define IFD_DEBUG 0x4 /* has debugging info */
+#define IFD_LINK 0x8 /* link address */
+#define IFD_TRASHED 0x10 /* in trash list */
+#define IFD_SKIP 0x20 /* skip this entry */
+#define IFD_NOTREADY 0x40 /* embryonic; not yet ready */
+
+#define IFA_LOCK_ASSERT_HELD(_ifa) \
+ lck_mtx_assert(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_OWNED)
+
+#define IFA_LOCK_ASSERT_NOTHELD(_ifa) \
+ lck_mtx_assert(&(_ifa)->ifa_lock, LCK_MTX_ASSERT_NOTOWNED)
+
+#define IFA_LOCK(_ifa) \
+ lck_mtx_lock(&(_ifa)->ifa_lock)
+
+#define IFA_LOCK_SPIN(_ifa) \
+ lck_mtx_lock_spin(&(_ifa)->ifa_lock)
+
+#define IFA_CONVERT_LOCK(_ifa) do { \
+ IFA_LOCK_ASSERT_HELD(_ifa); \
+ lck_mtx_convert_spin(&(_ifa)->ifa_lock); \
+} while (0)
+
+#define IFA_UNLOCK(_ifa) \
+ lck_mtx_unlock(&(_ifa)->ifa_lock)
+
+#define IFA_ADDREF(_ifa) \
+ ifa_addref(_ifa, 0)
+
+#define IFA_ADDREF_LOCKED(_ifa) \
+ ifa_addref(_ifa, 1)
+
+#define IFA_REMREF(_ifa) do { \
+ (void) ifa_remref(_ifa, 0); \
+} while (0)
+
+#define IFA_REMREF_LOCKED(_ifa) \
+ ifa_remref(_ifa, 1)
-#ifdef KERNEL_PRIVATE
/*
* The prefix structure contains information about one prefix
* of an interface. They are maintained by the different address families,
u_char ifpr_plen; /* prefix length in bits */
u_char ifpr_type; /* protocol dependent prefix type */
};
-#endif /* KERNEL_PRIVATE */
-
-#ifdef PRIVATE
-typedef void (*ifma_protospec_free_func)(void* ifma_protospec);
/*
* Multicast address structure. This is analogous to the ifaddr
* structure except that it keeps track of multicast addresses.
- * Also, the reference count here is a count of requests for this
- * address, not a count of pointers to this structure.
+ * Also, the request count here is a count of requests for this
+ * address, not a count of pointers to this structure; anonymous
+ * membership(s) holds one outstanding request count.
*/
struct ifmultiaddr {
+ decl_lck_mtx_data(, ifma_lock);
+ u_int32_t ifma_refcount; /* reference count */
+ u_int32_t ifma_anoncnt; /* # of anonymous requests */
+ u_int32_t ifma_reqcnt; /* total requests for this address */
+ u_int32_t ifma_debug; /* see ifa_debug flags */
+ u_int32_t ifma_flags; /* see below */
LIST_ENTRY(ifmultiaddr) ifma_link; /* queue macro glue */
- struct sockaddr *ifma_addr; /* address this membership is for */
+ struct sockaddr *ifma_addr; /* address this membership is for */
struct ifmultiaddr *ifma_ll; /* link-layer translation, if any */
- struct ifnet *ifma_ifp; /* back-pointer to interface */
- u_int ifma_usecount; /* use count, protected by ifp's lock */
- void *ifma_protospec; /* protocol-specific state, if any */
- int32_t ifma_refcount; /* reference count, atomically protected */
- ifma_protospec_free_func ifma_free; /* function called to free ifma_protospec */
+ struct ifnet *ifma_ifp; /* back-pointer to interface */
+ void *ifma_protospec; /* protocol-specific state, if any */
+ void (*ifma_trace) /* callback fn for tracing refs */
+ (struct ifmultiaddr *, int);
};
-#endif /* PRIVATE */
-#ifdef KERNEL_PRIVATE
-#define IFAREF(ifa) ifaref(ifa)
-#define IFAFREE(ifa) ifafree(ifa)
+/*
+ * Values for ifma_flags
+ */
+#define IFMAF_ANONYMOUS 0x1 /* has anonymous request ref(s) held */
+
+#define IFMA_LOCK_ASSERT_HELD(_ifma) \
+ lck_mtx_assert(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_OWNED)
+
+#define IFMA_LOCK_ASSERT_NOTHELD(_ifma) \
+ lck_mtx_assert(&(_ifma)->ifma_lock, LCK_MTX_ASSERT_NOTOWNED)
+
+#define IFMA_LOCK(_ifma) \
+ lck_mtx_lock(&(_ifma)->ifma_lock)
+
+#define IFMA_LOCK_SPIN(_ifma) \
+ lck_mtx_lock_spin(&(_ifma)->ifma_lock)
+
+#define IFMA_CONVERT_LOCK(_ifma) do { \
+ IFMA_LOCK_ASSERT_HELD(_ifma); \
+ lck_mtx_convert_spin(&(_ifma)->ifma_lock); \
+} while (0)
+
+#define IFMA_UNLOCK(_ifma) \
+ lck_mtx_unlock(&(_ifma)->ifma_lock)
+
+#define IFMA_ADDREF(_ifma) \
+ ifma_addref(_ifma, 0)
+
+#define IFMA_ADDREF_LOCKED(_ifma) \
+ ifma_addref(_ifma, 1)
+
+#define IFMA_REMREF(_ifma) \
+ ifma_remref(_ifma)
+
+/*
+ * Indicate whether or not the immediate interface, or the interface delegated
+ * by it, is a cellular interface (IFT_CELLULAR). Delegated interface type is
+ * set/cleared along with the delegated ifp; we cache the type for performance
+ * to avoid dereferencing delegated ifp each time.
+ *
+ * Note that this is meant to be used only for accounting and policy purposes;
+ * certain places need to explicitly know the immediate interface type, and
+ * this macro should not be used there.
+ *
+ * The test is done against IFT_CELLULAR instead of IFNET_FAMILY_CELLULAR to
+ * handle certain cases where the family isn't set to the latter.
+ */
+#define IFNET_IS_CELLULAR(_ifp) \
+ ((_ifp)->if_type == IFT_CELLULAR || \
+ (_ifp)->if_delegated.type == IFT_CELLULAR)
/*
- * To preserve kmem compatibility, we define
- * ifnet_head to ifnet. This should be temp.
+ * Indicate whether or not the immediate interface, or the interface delegated
+ * by it, is a Wi-Fi interface (IFNET_SUBFAMILY_WIFI). Delegated interface
+ * subfamily is set/cleared along with the delegated ifp; we cache the subfamily
+ * for performance to avoid dereferencing delegated ifp each time.
+ *
+ * Note that this is meant to be used only for accounting and policy purposes;
+ * certain places need to explicitly know the immediate interface type, and
+ * this macro should not be used there.
+ *
+ * The test is done against IFNET_SUBFAMILY_WIFI as the family may be set to
+ * IFNET_FAMILY_ETHERNET (as well as type to IFT_ETHER) which is too generic.
*/
-#define ifnet_head ifnet
-extern struct ifnethead ifnet_head;
-extern struct ifnet **ifindex2ifnet;
-extern int ifqmaxlen;
-extern struct ifnet loif[];
-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);
-void if_attach(struct ifnet *);
-int if_delmultiaddr(struct ifmultiaddr *ifma, int locked);
-int if_delmulti(struct ifnet *, const struct sockaddr *);
-void if_down(struct ifnet *);
-void if_route(struct ifnet *, int flag, int fam);
-void if_unroute(struct ifnet *, int flag, int fam);
-void if_up(struct ifnet *);
-void if_updown(struct ifnet *ifp, int up);
-/*void ifinit(void));*/ /* declared in systm.h for main( */
-int ifioctl(struct socket *, u_long, caddr_t, struct proc *);
-int ifioctllocked(struct socket *, u_long, caddr_t, struct proc *);
-struct ifnet *ifunit(const char *);
-struct ifnet *if_withname(struct sockaddr *);
-
-void if_clone_attach(struct if_clone *);
-void if_clone_detach(struct if_clone *);
-
-void ifnet_lock_assert(struct ifnet *ifp, int what);
-void ifnet_lock_shared(struct ifnet *ifp);
-void ifnet_lock_exclusive(struct ifnet *ifp);
-void ifnet_lock_done(struct ifnet *ifp);
-
-void ifnet_head_lock_shared(void);
-void ifnet_head_lock_exclusive(void);
-void ifnet_head_done(void);
-
-void if_attach_ifa(struct ifnet * ifp, struct ifaddr *ifa);
-void if_detach_ifa(struct ifnet * ifp, struct ifaddr *ifa);
-
-void ifma_reference(struct ifmultiaddr *ifma);
-void ifma_release(struct ifmultiaddr *ifma);
-
-struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);
-struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
-struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
-struct ifaddr *ifa_ifwithroute(int, const struct sockaddr *, const struct sockaddr *);
-struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
-void ifafree(struct ifaddr *);
-void ifaref(struct ifaddr *);
-
-struct ifmultiaddr *ifmaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
+#define IFNET_IS_WIFI(_ifp) \
+ ((_ifp)->if_subfamily == IFNET_SUBFAMILY_WIFI || \
+ (_ifp)->if_delegated.subfamily == IFNET_SUBFAMILY_WIFI)
-#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,
- struct if_data64 *if_data64);
+/*
+ * Indicate whether or not the immediate interface, or the interface delegated
+ * by it, is a Wired interface (several families). Delegated interface
+ * family is set/cleared along with the delegated ifp; we cache the family
+ * for performance to avoid dereferencing delegated ifp each time.
+ *
+ * Note that this is meant to be used only for accounting and policy purposes;
+ * certain places need to explicitly know the immediate interface type, and
+ * this macro should not be used there.
+ */
+#define IFNET_IS_WIRED(_ifp) \
+ ((_ifp)->if_family == IFNET_FAMILY_ETHERNET || \
+ (_ifp)->if_delegated.family == IFNET_FAMILY_ETHERNET || \
+ (_ifp)->if_family == IFNET_FAMILY_FIREWIRE || \
+ (_ifp)->if_delegated.family == IFNET_FAMILY_FIREWIRE)
+
+/*
+ * Indicate whether or not the immediate interface, or the interface delegated
+ * by it, is marked as expensive. The delegated interface is set/cleared
+ * along with the delegated ifp; we cache the flag for performance to avoid
+ * dereferencing delegated ifp each time.
+ *
+ * Note that this is meant to be used only for policy purposes.
+ */
+#define IFNET_IS_EXPENSIVE(_ifp) \
+ ((_ifp)->if_eflags & IFEF_EXPENSIVE || \
+ (_ifp)->if_delegated.expensive)
+
+/*
+ * We don't support AWDL interface delegation.
+ */
+#define IFNET_IS_AWDL_RESTRICTED(_ifp) \
+ (((_ifp)->if_eflags & (IFEF_AWDL|IFEF_AWDL_RESTRICTED)) == \
+ (IFEF_AWDL|IFEF_AWDL_RESTRICTED))
+
+
+extern struct ifnethead ifnet_head;
+extern struct ifnet **ifindex2ifnet;
+extern u_int32_t if_sndq_maxlen;
+extern u_int32_t if_rcvq_maxlen;
+extern int if_index;
+extern struct ifaddr **ifnet_addrs;
+extern lck_attr_t *ifa_mtx_attr;
+extern lck_grp_t *ifa_mtx_grp;
+extern lck_grp_t *ifnet_lock_group;
+extern lck_attr_t *ifnet_lock_attr;
+extern ifnet_t lo_ifp;
+extern uint32_t if_bw_measure_size;
+extern u_int32_t if_bw_smoothing_val;
+
+extern int if_addmulti(struct ifnet *, const struct sockaddr *,
+ struct ifmultiaddr **);
+extern int if_addmulti_anon(struct ifnet *, const struct sockaddr *,
+ struct ifmultiaddr **);
+extern int if_allmulti(struct ifnet *, int);
+extern int if_delmulti(struct ifnet *, const struct sockaddr *);
+extern int if_delmulti_ifma(struct ifmultiaddr *);
+extern int if_delmulti_anon(struct ifnet *, const struct sockaddr *);
+extern void if_down(struct ifnet *);
+extern int if_down_all(void);
+extern void if_up(struct ifnet *);
+__private_extern__ void if_updown(struct ifnet *ifp, int up);
+extern int ifioctl(struct socket *, u_long, caddr_t, struct proc *);
+extern int ifioctllocked(struct socket *, u_long, caddr_t, struct proc *);
+extern struct ifnet *ifunit(const char *);
+extern struct ifnet *if_withname(struct sockaddr *);
+extern void if_qflush(struct ifnet *, int);
+extern void if_qflush_sc(struct ifnet *, mbuf_svc_class_t, u_int32_t,
+ u_int32_t *, u_int32_t *, int);
+
+extern struct if_clone *if_clone_lookup(const char *, u_int32_t *);
+extern int if_clone_attach(struct if_clone *);
+extern void if_clone_detach(struct if_clone *);
+
+extern errno_t if_mcasts_update(struct ifnet *);
+
+typedef enum {
+ IFNET_LCK_ASSERT_EXCLUSIVE, /* RW: held as writer */
+ IFNET_LCK_ASSERT_SHARED, /* RW: held as reader */
+ IFNET_LCK_ASSERT_OWNED, /* RW: writer/reader, MTX: held */
+ IFNET_LCK_ASSERT_NOTOWNED /* not held */
+} ifnet_lock_assert_t;
+
+#define IF_LLADDR(_ifp) \
+ (LLADDR(SDL(((_ifp)->if_lladdr)->ifa_addr)))
+
+__private_extern__ void ifnet_lock_assert(struct ifnet *, ifnet_lock_assert_t);
+__private_extern__ void ifnet_lock_shared(struct ifnet *ifp);
+__private_extern__ void ifnet_lock_exclusive(struct ifnet *ifp);
+__private_extern__ void ifnet_lock_done(struct ifnet *ifp);
+
+#if INET6
+__private_extern__ void if_inet6data_lock_shared(struct ifnet *ifp);
+__private_extern__ void if_inet6data_lock_exclusive(struct ifnet *ifp);
+__private_extern__ void if_inet6data_lock_done(struct ifnet *ifp);
+#endif
+
+__private_extern__ void ifnet_head_lock_shared(void);
+__private_extern__ void ifnet_head_lock_exclusive(void);
+__private_extern__ void ifnet_head_done(void);
+
+__private_extern__ errno_t ifnet_set_idle_flags_locked(ifnet_t, u_int32_t,
+ u_int32_t);
+__private_extern__ int ifnet_is_attached(struct ifnet *, int refio);
+__private_extern__ void ifnet_decr_iorefcnt(struct ifnet *);
+__private_extern__ void ifnet_set_start_cycle(struct ifnet *,
+ struct timespec *);
+__private_extern__ void ifnet_set_poll_cycle(struct ifnet *,
+ struct timespec *);
+
+__private_extern__ void if_attach_ifa(struct ifnet *, struct ifaddr *);
+__private_extern__ void if_attach_link_ifa(struct ifnet *, struct ifaddr *);
+__private_extern__ void if_detach_ifa(struct ifnet *, struct ifaddr *);
+__private_extern__ void if_detach_link_ifa(struct ifnet *, struct ifaddr *);
+
+__private_extern__ void dlil_if_lock(void);
+__private_extern__ void dlil_if_unlock(void);
+__private_extern__ void dlil_if_lock_assert(void);
+
+extern struct ifaddr *ifa_ifwithaddr(const struct sockaddr *);
+extern struct ifaddr *ifa_ifwithaddr_scoped(const struct sockaddr *,
+ unsigned int);
+extern struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
+extern struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
+extern struct ifaddr *ifa_ifwithnet_scoped(const struct sockaddr *,
+ unsigned int);
+extern struct ifaddr *ifa_ifwithroute(int, const struct sockaddr *,
+ const struct sockaddr *);
+extern struct ifaddr *ifa_ifwithroute_locked(int, const struct sockaddr *,
+ const struct sockaddr *);
+extern struct ifaddr *ifa_ifwithroute_scoped_locked(int,
+ const struct sockaddr *, const struct sockaddr *, unsigned int);
+extern struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
+__private_extern__ struct ifaddr *ifa_ifpgetprimary(struct ifnet *, int);
+extern void ifa_addref(struct ifaddr *, int);
+extern struct ifaddr *ifa_remref(struct ifaddr *, int);
+extern void ifa_lock_init(struct ifaddr *);
+extern void ifa_lock_destroy(struct ifaddr *);
+extern void ifma_addref(struct ifmultiaddr *, int);
+extern void ifma_remref(struct ifmultiaddr *);
+
+extern void ifa_init(void);
+
+__private_extern__ struct in_ifaddr *ifa_foraddr(unsigned int);
+__private_extern__ struct in_ifaddr *ifa_foraddr_scoped(unsigned int,
+ unsigned int);
+
+struct ifreq;
+extern errno_t ifnet_getset_opportunistic(struct ifnet *, u_long,
+ struct ifreq *, struct proc *);
+extern int ifnet_get_throttle(struct ifnet *, u_int32_t *);
+extern int ifnet_set_throttle(struct ifnet *, u_int32_t);
+extern errno_t ifnet_getset_log(struct ifnet *, u_long,
+ struct ifreq *, struct proc *);
+extern int ifnet_set_log(struct ifnet *, int32_t, uint32_t, int32_t, int32_t);
+extern int ifnet_get_log(struct ifnet *, int32_t *, uint32_t *, int32_t *,
+ int32_t *);
+extern int ifnet_notify_address(struct ifnet *, int);
+
+#if INET6
+struct in6_addr;
+__private_extern__ struct in6_ifaddr *ifa_foraddr6(struct in6_addr *);
+__private_extern__ struct in6_ifaddr *ifa_foraddr6_scoped(struct in6_addr *,
+ unsigned int);
+#endif /* INET6 */
+
+__private_extern__ void if_data_internal_to_if_data(struct ifnet *ifp,
+ const struct if_data_internal *if_data_int, struct if_data *if_data);
+__private_extern__ void if_data_internal_to_if_data64(struct ifnet *ifp,
+ const struct if_data_internal *if_data_int, struct if_data64 *if_data64);
+__private_extern__ void if_copy_traffic_class(struct ifnet *ifp,
+ struct if_traffic_class *if_tc);
+__private_extern__ void if_copy_data_extended(struct ifnet *ifp,
+ struct if_data_extended *if_de);
+__private_extern__ void if_copy_packet_stats(struct ifnet *ifp,
+ struct if_packet_stats *if_ps);
+__private_extern__ void if_copy_rxpoll_stats(struct ifnet *ifp,
+ struct if_rxpoll_stats *if_rs);
+
+__private_extern__ struct rtentry *ifnet_cached_rtlookup_inet(struct ifnet *,
+ struct in_addr);
+#if INET6
+__private_extern__ struct rtentry *ifnet_cached_rtlookup_inet6(struct ifnet *,
+ struct in6_addr *);
+#endif /* INET6 */
+
+__private_extern__ void if_lqm_update(struct ifnet *, int32_t);
+__private_extern__ void ifnet_update_sndq(struct ifclassq *, cqev_t);
+__private_extern__ void ifnet_update_rcv(struct ifnet *, cqev_t);
+
+__private_extern__ void ifnet_flowadv(uint32_t);
+
+__private_extern__ errno_t ifnet_set_input_bandwidths(struct ifnet *,
+ struct if_bandwidths *);
+__private_extern__ errno_t ifnet_set_output_bandwidths(struct ifnet *,
+ struct if_bandwidths *, boolean_t);
+__private_extern__ u_int64_t ifnet_output_linkrate(struct ifnet *);
+__private_extern__ u_int64_t ifnet_input_linkrate(struct ifnet *);
+
+__private_extern__ errno_t ifnet_set_input_latencies(struct ifnet *,
+ struct if_latencies *);
+__private_extern__ errno_t ifnet_set_output_latencies(struct ifnet *,
+ struct if_latencies *, boolean_t);
+
+__private_extern__ errno_t ifnet_framer_stub(struct ifnet *, struct mbuf **,
+ const struct sockaddr *, const char *, const char *, u_int32_t *,
+ u_int32_t *);
#endif /* BSD_KERNEL_PRIVATE */
-#endif /* KERNEL_PRIVATE */
+#ifdef XNU_KERNEL_PRIVATE
+/* for uuid.c */
+__private_extern__ int uuid_get_ethernet(u_int8_t *);
+#endif /* XNU_KERNEL_PRIVATE */
#endif /* !_NET_IF_VAR_H_ */
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