This is xnu-11215.1.10. See this file in:
/*
* Copyright (c) 2000-2023 Apple Inc. All rights reserved.
*
* @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
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* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
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*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
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/*
* Copyright (c) 1982, 1986, 1989, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* From: @(#)if.h 8.1 (Berkeley) 6/10/93
* $FreeBSD: src/sys/net/if_var.h,v 1.18.2.7 2001/07/24 19:10:18 brooks Exp $
*/
#ifndef _NET_IF_VAR_PRIVATE_H_
#define _NET_IF_VAR_PRIVATE_H_
#ifndef DRIVERKIT
#ifndef DRIVERKIT_PRIVATE
#include <net/if_var_status.h>
#endif
#include <net/route.h>
#include <stdint.h>
#include <sys/types.h>
#include <sys/ioccom.h>
#ifdef KERNEL_PRIVATE
#include <kern/locks.h>
#endif /* KERNEL_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 *__sized_by(ifd_maxlen) ifd_desc; /* ptr to desc buffer */
};
struct if_bandwidths {
uint64_t eff_bw; /* effective bandwidth */
uint64_t max_bw; /* maximum theoretical bandwidth */
};
struct if_latencies {
u_int64_t eff_lt; /* effective latency */
u_int64_t max_lt; /* maximum theoretical latency */
};
typedef enum {
IF_NETEM_MODEL_NULL = 0,
IF_NETEM_MODEL_NLC = 1,
} if_netem_model_t;
#define IF_NETEM_PARAMS_PSCALE 100000
struct if_netem_params {
/* packet scheduler model */
if_netem_model_t ifnetem_model;
/* bandwidth limit */
uint64_t ifnetem_bandwidth_bps;
/* latency (normal distribution with jitter as stdev) */
uint32_t ifnetem_latency_ms;
uint32_t ifnetem_jitter_ms;
/*
* NetEm probabilistic model parameters has a scaling factor of 100,000
* for 5 digits precision. For instance, probability 12.345% is
* expressed as uint32_t fixed point 12345 in ifnet_*_p variable below.
*/
/* random packet corruption */
uint32_t ifnetem_corruption_p;
/* random packet duplication */
uint32_t ifnetem_duplication_p;
/* 4 state Markov loss model */
uint32_t ifnetem_loss_p_gr_gl;/* P( gap_loss | gap_rx ) */
uint32_t ifnetem_loss_p_gr_bl;/* P( burst_loss | gap_rx ) */
uint32_t ifnetem_loss_p_bl_br;/* P( burst_rx | burst_loss ) */
uint32_t ifnetem_loss_p_bl_gr;/* P( gap_rx | burst_loss ) */
uint32_t ifnetem_loss_p_br_bl;/* P( burst_loss | burst_rx ) */
uint32_t ifnetem_loss_recovery_ms;/* time to recovery loss */
/* random packet reordering */
uint32_t ifnetem_reordering_p;/* reorder probability */
/*
* NetEm output scheduler by default is waken up upon input event as
* well as timer interval to avoid excessive delay. If
* ifnetem_output_ival is set to non-zero value, it overrides the
* default output interval as well as disables output scheduler wakeup
* upon input events.
*/
uint32_t ifnetem_output_ival_ms;/* output interval */
};
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) */
};
struct if_netif_stats {
u_int64_t ifn_rx_mit_interval;/* rx mitigation ival (nsec) */
u_int32_t ifn_rx_mit_mode; /* 0: static, 1: dynamic */
u_int32_t ifn_rx_mit_packets_avg;/* average # of packets */
u_int32_t ifn_rx_mit_packets_min;/* smallest # of packets */
u_int32_t ifn_rx_mit_packets_max;/* largest # of packets */
u_int32_t ifn_rx_mit_bytes_avg;/* average # of bytes */
u_int32_t ifn_rx_mit_bytes_min;/* smallest # of bytes */
u_int32_t ifn_rx_mit_bytes_max;/* largest # of bytes */
u_int32_t ifn_rx_mit_cfg_idx; /* current config selector */
u_int32_t ifn_rx_mit_cfg_packets_lowat;/* pkts low watermark */
u_int32_t ifn_rx_mit_cfg_packets_hiwat;/* pkts high watermark */
u_int32_t ifn_rx_mit_cfg_bytes_lowat;/* bytes low watermark */
u_int32_t ifn_rx_mit_cfg_bytes_hiwat;/* bytes high watermark */
u_int32_t ifn_rx_mit_cfg_interval;/* delay interval (nsec) */
};
struct if_tcp_ecn_perf_stat {
u_int64_t total_txpkts;
u_int64_t total_rxmitpkts;
u_int64_t total_rxpkts;
u_int64_t total_oopkts;
u_int64_t total_reorderpkts;
u_int64_t rtt_avg;
u_int64_t rtt_var;
u_int64_t sack_episodes;
u_int64_t rxmit_drop;
u_int64_t rst_drop;
u_int64_t oo_percent;
u_int64_t reorder_percent;
u_int64_t rxmit_percent;
};
struct if_tcp_ecn_stat {
u_int64_t timestamp;
u_int64_t ecn_client_setup;
u_int64_t ecn_server_setup;
u_int64_t ecn_client_success;
u_int64_t ecn_server_success;
u_int64_t ecn_peer_nosupport;
u_int64_t ecn_syn_lost;
u_int64_t ecn_synack_lost;
u_int64_t ecn_recv_ce;
u_int64_t ecn_recv_ece;
u_int64_t ecn_conn_recv_ce;
u_int64_t ecn_conn_recv_ece;
u_int64_t ecn_conn_plnoce;
u_int64_t ecn_conn_plce;
u_int64_t ecn_conn_noplce;
u_int64_t ecn_fallback_synloss;
u_int64_t ecn_fallback_reorder;
u_int64_t ecn_fallback_ce;
u_int64_t ecn_off_conn;
u_int64_t ecn_total_conn;
u_int64_t ecn_fallback_droprst;
u_int64_t ecn_fallback_droprxmt;
u_int64_t ecn_fallback_synrst;
struct if_tcp_ecn_perf_stat ecn_on;
struct if_tcp_ecn_perf_stat ecn_off;
};
struct if_lim_perf_stat {
u_int64_t lim_dl_max_bandwidth; /* bits per second */
u_int64_t lim_ul_max_bandwidth; /* bits per second */
u_int64_t lim_total_txpkts; /* Total transmit packets, count */
u_int64_t lim_total_rxpkts; /* Total receive packets, count */
u_int64_t lim_total_retxpkts; /* Total retransmit packets */
u_int64_t lim_packet_loss_percent; /* Packet loss rate */
u_int64_t lim_total_oopkts; /* Total out-of-order packets */
u_int64_t lim_packet_ooo_percent; /* Out-of-order packet rate */
u_int64_t lim_rtt_variance; /* RTT variance, milliseconds */
u_int64_t lim_rtt_average; /* RTT average, milliseconds */
u_int64_t lim_rtt_min; /* RTT minimum, milliseconds */
u_int64_t lim_conn_timeouts; /* connection timeouts */
u_int64_t lim_conn_attempts; /* connection attempts */
u_int64_t lim_conn_timeout_percent; /* Rate of connection timeouts */
u_int64_t lim_bk_txpkts; /* Transmit packets with BK service class, that use delay based algorithms */
u_int64_t lim_dl_detected:1, /* Low internet */
lim_ul_detected:1;
};
#define IF_VAR_H_HAS_IFNET_STATS_PER_FLOW 1
struct ifnet_stats_per_flow {
u_int64_t bk_txpackets;
u_int64_t txpackets;
u_int64_t rxpackets;
u_int32_t txretransmitbytes;
u_int32_t rxoutoforderbytes;
u_int32_t rxmitpkts;
u_int32_t rcvoopack;
u_int32_t pawsdrop;
u_int32_t sack_recovery_episodes;
u_int32_t reordered_pkts;
u_int32_t dsack_sent;
u_int32_t dsack_recvd;
u_int32_t srtt;
u_int32_t rttupdated;
u_int32_t rttvar;
u_int32_t rttmin;
u_int32_t bw_sndbw_max;
u_int32_t bw_rcvbw_max;
u_int32_t ecn_recv_ece;
u_int32_t ecn_recv_ce;
u_int32_t ecn_flags;
u_int16_t ipv4:1,
local:1,
connreset:1,
conntimeout:1,
rxmit_drop:1,
ecn_fallback_synloss:1,
ecn_fallback_droprst:1,
ecn_fallback_droprxmt:1,
ecn_fallback_ce:1,
ecn_fallback_reorder:1;
};
struct if_interface_state {
/*
* The bitmask tells which of the fields
* to consider:
* - When setting, to control which fields
* are being modified;
* - When getting, it tells which fields are set.
*/
u_int8_t valid_bitmask;
#define IF_INTERFACE_STATE_RRC_STATE_VALID 0x1
#define IF_INTERFACE_STATE_LQM_STATE_VALID 0x2
#define IF_INTERFACE_STATE_INTERFACE_AVAILABILITY_VALID 0x4
/*
* Valid only for cellular interface
*/
u_int8_t rrc_state;
#define IF_INTERFACE_STATE_RRC_STATE_IDLE 0x0
#define IF_INTERFACE_STATE_RRC_STATE_CONNECTED 0x1
/*
* Values normalized to the edge of the following values
* that are defined on <net/if.h>:
* IFNET_LQM_THRESH_BAD
* IFNET_LQM_THRESH_POOR
* IFNET_LQM_THRESH_GOOD
*/
int8_t lqm_state;
/*
* Indicate if the underlying link is currently
* available
*/
u_int8_t interface_availability;
#define IF_INTERFACE_STATE_INTERFACE_AVAILABLE 0x0
#define IF_INTERFACE_STATE_INTERFACE_UNAVAILABLE 0x1
};
struct chain_len_stats {
uint64_t cls_one;
uint64_t cls_two;
uint64_t cls_three;
uint64_t cls_four;
uint64_t cls_five_or_more;
} __attribute__((__aligned__(sizeof(uint64_t))));
#ifdef BSD_KERNEL_PRIVATE
#define IFNETS_MAX 64
/*
* 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. 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_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_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_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 */
struct timeval ifi_lastupdown; /* time of last up/down event */
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 */
};
#endif /* BSD_KERNEL_PRIVATE */
#define if_mtu if_data.ifi_mtu
#define if_type if_data.ifi_type
#define if_typelen if_data.ifi_typelen
#define if_physical if_data.ifi_physical
#define if_addrlen if_data.ifi_addrlen
#define if_hdrlen if_data.ifi_hdrlen
#define if_metric if_data.ifi_metric
#define if_baudrate if_data.ifi_baudrate
#define if_hwassist if_data.ifi_hwassist
#define if_ipackets if_data.ifi_ipackets
#define if_ierrors if_data.ifi_ierrors
#define if_opackets if_data.ifi_opackets
#define if_oerrors if_data.ifi_oerrors
#define if_collisions if_data.ifi_collisions
#define if_ibytes if_data.ifi_ibytes
#define if_obytes if_data.ifi_obytes
#define if_imcasts if_data.ifi_imcasts
#define if_omcasts if_data.ifi_omcasts
#define if_iqdrops if_data.ifi_iqdrops
#define if_noproto if_data.ifi_noproto
#define if_lastchange if_data.ifi_lastchange
#define if_recvquota if_data.ifi_recvquota
#define if_xmitquota if_data.ifi_xmitquota
#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
#define if_lastupdown if_data.ifi_lastupdown
/*
* Forward structure declarations for function prototypes [sic].
*/
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 */
#if SKYWALK
struct nexus_netif_adapter;
#endif /* SKYWALK */
/* we use TAILQs so that the order of instantiation is preserved in the list */
TAILQ_HEAD(ifnethead, ifnet);
TAILQ_HEAD(ifaddrhead, ifaddr);
LIST_HEAD(ifmultihead, ifmultiaddr);
TAILQ_HEAD(tailq_head, tqdummy);
TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
TAILQ_HEAD(ddesc_head_name, dlil_demux_desc);
extern bool intcoproc_unrestricted;
extern bool management_data_unrestricted;
extern bool management_control_unrestricted;
extern bool if_management_interface_check_needed;
extern int if_management_verbose;
extern bool if_ultra_constrained_check_needed;
#endif /* BSD_KERNEL_PRIVATE */
/*
* All of the following IF_HWASSIST_* flags are defined in kpi_interface.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_ZERO_INVERT 0x2000 /* capable of inverting csum of 0 to -0 (0xffff) */
#define IF_HWASSIST_CSUM_MASK 0xffff
#define IF_HWASSIST_CSUM_FLAGS(hwassist) ((hwassist) & IF_HWASSIST_CSUM_MASK)
/* VLAN support */
#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 IFXNAMSIZ (IFNAMSIZ + 8) /* external name (name + unit) */
#define IFNET_NETWORK_ID_LEN 32
#ifdef BSD_KERNEL_PRIVATE
/*
* ifnet is private to BSD portion of kernel
*/
#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>
#include <net/route.h>
RB_HEAD(ll_reach_tree, if_llreach); /* define struct ll_reach_tree */
#if SKYWALK
struct nexus_ifnet_ops {
void (*ni_finalize)(struct nexus_netif_adapter *, struct ifnet *);
void (*ni_reap)(struct nexus_netif_adapter *, struct ifnet *,
uint32_t, boolean_t);
errno_t (*ni_dequeue)(struct nexus_netif_adapter *, uint32_t,
uint32_t, uint32_t, classq_pkt_t *, classq_pkt_t *, uint32_t *,
uint32_t *, boolean_t, errno_t);
errno_t (*ni_get_len)(struct nexus_netif_adapter *, uint32_t,
uint32_t *, uint32_t *, errno_t);
};
typedef struct {
uuid_t if_nif_provider;
uuid_t if_nif_instance;
uuid_t if_nif_attach;
} if_nexus_netif, *if_nexus_netif_t;
typedef struct {
uuid_t if_fsw_provider;
uuid_t if_fsw_instance;
uuid_t if_fsw_device;
uint32_t if_fsw_ipaddr_gencnt;
} if_nexus_flowswitch, *if_nexus_flowswitch_t;
typedef void (*ifnet_fsw_rx_cb_t)(void *, struct pktq *);
typedef void (*ifnet_detach_notify_cb_t)(void *);
#endif /* SKYWALK */
typedef errno_t (*dlil_input_func)(ifnet_t ifp, mbuf_t m_head,
mbuf_t m_tail, const struct ifnet_stat_increment_param *s,
boolean_t poll, struct thread *tp);
typedef errno_t (*dlil_output_func)(ifnet_t interface, mbuf_t data);
typedef u_int8_t ipv6_router_mode_t;
#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 {
/*
* 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 */
TAILQ_ENTRY(ifnet) if_ordered_link; /* list of ordered 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 */
u_int32_t if_threads_pending; /* Threads created but waiting for first run */
u_int32_t if_datamov; /* number of threads moving data */
u_int32_t if_drainers; /* number of draining threads */
u_int32_t if_suspend; /* number of suspend requests */
#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) */
u_int32_t if_qosmarking_mode; /* generation to use with NECP clients */
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> */
u_int32_t if_xflags; /* see <net/if.h> */
int if_capabilities; /* interface features & capabilities */
int if_capenable; /* enabled features & capabilities */
void *__sized_by(if_linkmiblen) if_linkmib; /* link-type-specific MIB data */
uint32_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 */
u_int32_t peer_egress_functional_type; /* value assigned by Apple */
uintptr_t if_family_cookie;
volatile dlil_input_func if_input_dlil;
volatile dlil_output_func if_output_dlil;
volatile ifnet_start_func if_start;
ifnet_output_func if_output;
ifnet_pre_enqueue_func if_pre_enqueue;
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_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;
ifnet_detached_func if_detach;
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_int8_t if_start_embryonic;
u_int8_t if_start_active; /* output is active */
u_int16_t if_start_delayed;
u_int16_t if_start_delay_qlen;
u_int16_t if_start_delay_idle;
u_int64_t if_start_delay_swin;
u_int32_t if_start_delay_cnt;
u_int32_t if_start_delay_timeout; /* nanoseconds */
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;
uint32_t if_flt_non_os_count;
uint32_t if_flt_no_tso_count;
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 */
/*
* Opportunistic polling parameters.
*/
decl_lck_mtx_data(, if_poll_lock);
struct if_poll_params {
u_int16_t poll_req;
u_int16_t poll_update; /* link update */
u_int32_t poll_flags;
#define IF_POLLF_READY 0x1 /* poll thread is ready */
#define IF_POLLF_RUNNING 0x2 /* poll thread is running/active */
#define IF_POLLF_TERMINATING 0x4 /* poll thread is terminating */
#define IF_POLLF_EMBRYONIC 0x8000 /* poll thread is being setup */
struct timespec poll_cycle; /* poll interval */
struct thread *poll_thread;
ifnet_model_t poll_mode; /* current mode */
struct pktcntr poll_tstats; /* incremental polling statistics */
struct if_rxpoll_stats poll_pstats; /* polling statistics */
struct pktcntr poll_sstats; /* packets and bytes per sampling */
struct timespec poll_mode_holdtime; /* mode holdtime in nsec */
struct timespec poll_mode_lasttime; /* last mode change time in nsec */
struct timespec poll_sample_holdtime; /* sampling holdtime in nsec */
struct timespec poll_sample_lasttime; /* last sampling time in nsec */
struct timespec poll_dbg_lasttime; /* last debug message time in nsec */
} rxpoll_params;
#define if_poll_req rxpoll_params.poll_req
#define if_poll_update rxpoll_params.poll_update
#define if_poll_flags rxpoll_params.poll_flags
#define if_poll_cycle rxpoll_params.poll_cycle
#define if_poll_thread rxpoll_params.poll_thread
#define if_poll_mode rxpoll_params.poll_mode
#define if_poll_tstats rxpoll_params.poll_tstats
#define if_poll_sstats rxpoll_params.poll_sstats
#define if_poll_pstats rxpoll_params.poll_pstats
#define if_poll_mode_holdtime rxpoll_params.poll_mode_holdtime
#define if_poll_mode_lasttime rxpoll_params.poll_mode_lasttime
#define if_poll_sample_holdtime rxpoll_params.poll_sample_holdtime
#define if_poll_sample_lasttime rxpoll_params.poll_sample_lasttime
#define if_poll_dbg_lasttime rxpoll_params.poll_dbg_lasttime
#define if_rxpoll_offreq rxpoll_params.poll_pstats.ifi_poll_off_req
#define if_rxpoll_offerr rxpoll_params.poll_pstats.ifi_poll_off_err
#define if_rxpoll_onreq rxpoll_params.poll_pstats.ifi_poll_on_req
#define if_rxpoll_onerr rxpoll_params.poll_pstats.ifi_poll_on_err
#define if_rxpoll_wavg rxpoll_params.poll_pstats.ifi_poll_wakeups_avg
#define if_rxpoll_wlowat rxpoll_params.poll_pstats.ifi_poll_wakeups_lowat
#define if_rxpoll_whiwat rxpoll_params.poll_pstats.ifi_poll_wakeups_hiwat
#define if_rxpoll_pavg rxpoll_params.poll_pstats.ifi_poll_packets_avg
#define if_rxpoll_pmin rxpoll_params.poll_pstats.ifi_poll_packets_min
#define if_rxpoll_pmax rxpoll_params.poll_pstats.ifi_poll_packets_max
#define if_rxpoll_plowat rxpoll_params.poll_pstats.ifi_poll_packets_lowat
#define if_rxpoll_phiwat rxpoll_params.poll_pstats.ifi_poll_packets_hiwat
#define if_rxpoll_bavg rxpoll_params.poll_pstats.ifi_poll_bytes_avg
#define if_rxpoll_bmin rxpoll_params.poll_pstats.ifi_poll_bytes_min
#define if_rxpoll_bmax rxpoll_params.poll_pstats.ifi_poll_bytes_max
#define if_rxpoll_blowat rxpoll_params.poll_pstats.ifi_poll_bytes_lowat
#define if_rxpoll_bhiwat rxpoll_params.poll_pstats.ifi_poll_bytes_hiwat
#define if_rxpoll_plim rxpoll_params.poll_pstats.ifi_poll_packets_limit
#define if_rxpoll_ival rxpoll_params.poll_pstats.ifi_poll_interval_time
struct dlil_threading_info *if_inp;
/* allocated once along with dlil_ifnet and is never freed */
thread_call_t if_dt_tcall;
struct {
u_int32_t length;
u_char *__sized_by(length) ptr;
} if_broadcast;
#if PF
struct pfi_kif *if_pf_kif;
#endif /* PF */
#if SKYWALK
struct nexus_ifnet_ops *if_na_ops;
struct nexus_netif_adapter *if_na;
/* compat netif attachment */
if_nexus_netif if_nx_netif;
/* flowswitch attachment */
if_nexus_flowswitch if_nx_flowswitch;
/* headroom space to be reserved in tx packets */
uint16_t if_tx_headroom;
/* trailer space to be reserved in tx packets */
uint16_t if_tx_trailer;
/*
* mitigation interval in microseconds for the rx interrupt mitigation
* logic while operating in the high throughput mode.
*/
uint32_t if_rx_mit_ival;
/*
* Number of threads waiting for the start callback to be finished;
* access is protected by if_start_lock; also serves as wait channel.
*/
uint32_t if_start_waiters;
ifnet_start_func if_save_start;
ifnet_output_func if_save_output;
/*
* Used for intercepting packets meant for the host stack.
*/
ifnet_fsw_rx_cb_t if_fsw_rx_cb;
void *if_fsw_rx_cb_arg;
uint32_t if_fsw_rx_cb_ref;
uint32_t if_delegate_parent_ref;
struct ifnet *if_delegate_parent;
decl_lck_mtx_data(, if_delegate_lock);
/*
* Detach notify callback. Used by llw and redirect interfaces.
*/
ifnet_detach_notify_cb_t if_detach_notify;
void *if_detach_notify_arg;
#endif /* SKYWALK */
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_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 */
u_int32_t if_rt_sendts; /* last of a real time packet */
struct if_traffic_class if_tc __attribute__((aligned(8)));
#if INET
struct igmp_ifinfo *if_igi; /* for IGMPv3 */
#endif /* INET */
struct mld_ifinfo *if_mli; /* for MLDv2 */
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? */
constrained:1, /* delegated i/f constrained? */
ultra_constrained:1; /* delegated i/f ultra constrained? */
} if_delegated;
uuid_t *if_agentids __counted_by(if_agentcount); /* network agents attached to interface */
u_int32_t if_agentcount;
volatile uint32_t if_low_power_gencnt;
u_int32_t if_generation; /* generation to use with NECP clients */
u_int32_t if_fg_sendts; /* last send on a fg socket in seconds */
u_int64_t if_data_threshold;
/* Total bytes in send socket buffer */
int64_t if_sndbyte_total __attribute__ ((aligned(8)));
/* Total unsent bytes in send socket buffer */
int64_t if_sndbyte_unsent __attribute__ ((aligned(8)));
/* count of times, when there was data to send when sleep is impending */
uint32_t if_unsent_data_cnt;
boolean_t if_inet6_ioctl_busy;
decl_lck_mtx_data(, if_inet6_ioctl_lock);
#if INET
decl_lck_rw_data(, if_inetdata_lock);
struct in_ifextra *if_inetdata;
#endif /* INET */
decl_lck_rw_data(, if_inet6data_lock);
struct in6_ifextra *if_inet6data;
decl_lck_rw_data(, if_link_status_lock);
struct if_link_status *if_link_status;
struct if_interface_state if_interface_state;
struct if_tcp_ecn_stat *if_ipv4_stat;
struct if_tcp_ecn_stat *if_ipv6_stat;
#if SKYWALK
/* Keeps track of local ports bound to this interface
* Protected by the global lock in skywalk/netns/netns.c */
LIST_HEAD(, ns_token) if_netns_tokens;
#endif /* SKYWALK */
struct if_lim_perf_stat if_lim_stat;
uint32_t if_tcp_kao_max;
uint32_t if_tcp_kao_cnt;
#if SKYWALK
struct netem *if_input_netem;
#endif /* SKYWALK */
struct netem *if_output_netem;
ipv6_router_mode_t if_ipv6_router_mode; /* see <netinet6/in6_var.h> */
u_int8_t if_estimated_up_bucket;
u_int8_t if_estimated_down_bucket;
u_int8_t if_radio_type;
u_int8_t if_radio_channel;
uint8_t network_id[IFNET_NETWORK_ID_LEN];
uint8_t network_id_len;
atomic_bool if_mcast_add_signaled;
atomic_bool if_mcast_del_signaled;
uint32_t if_traffic_rule_count;
uint32_t if_traffic_rule_genid;
/*
* if_creation_generation_id is assigned the value of a global counter that
* is incremented when the interface is allocated and when it is freed.
*
* This allows to discriminate between different instances of an interface
* that has the same name or same index
*/
uint64_t if_creation_generation_id;
};
/* Interface event handling declarations */
extern struct eventhandler_lists_ctxt ifnet_evhdlr_ctxt;
typedef enum {
INTF_EVENT_CODE_CREATED,
INTF_EVENT_CODE_REMOVED,
INTF_EVENT_CODE_STATUS_UPDATE,
INTF_EVENT_CODE_IPADDR_ATTACHED,
INTF_EVENT_CODE_IPADDR_DETACHED,
INTF_EVENT_CODE_LLADDR_UPDATE,
INTF_EVENT_CODE_MTU_CHANGED,
INTF_EVENT_CODE_LOW_POWER_UPDATE,
} intf_event_code_t;
typedef void (*ifnet_event_fn)(struct eventhandler_entry_arg, struct ifnet *, struct sockaddr *, intf_event_code_t);
EVENTHANDLER_DECLARE(ifnet_event, ifnet_event_fn);
#define IF_TCP_STATINC(_ifp, _s) do { \
if ((_ifp)->if_tcp_stat != NULL) \
os_atomic_inc(&(_ifp)->if_tcp_stat->_s, relaxed); \
} while (0);
#define IF_UDP_STATINC(_ifp, _s) do { \
if ((_ifp)->if_udp_stat != NULL) \
os_atomic_inc(&(_ifp)->if_udp_stat->_s, relaxed); \
} while (0);
/*
* Valid values for if_refflags
*/
#define IFRF_EMBRYONIC 0x1 /* ifnet is allocated; awaiting attach */
#define IFRF_ATTACHED 0x2 /* ifnet attach is completely done */
#define IFRF_DETACHING 0x4 /* detach has been requested */
#define IFRF_READY 0x8 /* data path is ready */
#define IFRF_ATTACH_MASK \
(IFRF_EMBRYONIC|IFRF_ATTACHED|IFRF_DETACHING)
#define IF_FULLY_ATTACHED(_ifp) \
(((_ifp)->if_refflags & IFRF_ATTACH_MASK) == IFRF_ATTACHED)
#define IF_FULLY_ATTACHED_AND_READY(_ifp) \
(IF_FULLY_ATTACHED(_ifp) && ((_ifp)->if_refflags & IFRF_READY))
/*
* Valid values for if_start_flags
*/
#define IFSF_FLOW_CONTROLLED 0x1 /* flow controlled */
#define IFSF_TERMINATING 0x2 /* terminating */
#define IFSF_NO_DELAY 0x4 /* no delay */
#define IFSF_FLOW_RESUME_PENDING 0x8 /* ignore next flow control event */
/*
* Structure describing a `cloning' interface.
*/
struct if_clone {
LIST_ENTRY(if_clone) ifc_list; /* on list of cloners */
decl_lck_mtx_data(, ifc_mutex); /* To serialize clone create/delete */
u_int32_t ifc_minifs; /* minimum number of interfaces */
u_int32_t ifc_maxunit; /* maximum unit number */
u_int32_t ifc_bmlen; /* bitmap length */
unsigned char *__counted_by(ifc_bmlen) ifc_units; /* bitmap to handle units */
int (*ifc_create)(struct if_clone *, u_int32_t, void *);
int (*ifc_destroy)(struct ifnet *);
uint8_t ifc_namelen; /* length of name */
char ifc_name[IFNAMSIZ + 1]; /* name of device, e.g. `vlan' */
};
#define IF_CLONE_INITIALIZER(name, create, destroy, minifs, maxunit) { \
.ifc_name = "" name, \
.ifc_namelen = (sizeof(name) - 1), \
.ifc_minifs = (minifs), \
.ifc_maxunit = (maxunit), \
.ifc_create = (create), \
.ifc_destroy = (destroy) \
}
/*
* 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) 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)
#define IF_PREPEND(ifq, m) do { \
(m)->m_nextpkt = (mbuf_ref_t)(ifq)->ifq_head; \
if ((ifq)->ifq_tail == NULL) \
(ifq)->ifq_tail = (m); \
(ifq)->ifq_head = (m); \
(ifq)->ifq_len++; \
} while (0)
#define IF_DEQUEUE(ifq, m) do { \
(m) = (mbuf_ref_t)(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)
#define IF_REMQUEUE(ifq, m) do { \
mbuf_ref_t _p = (mbuf_ref_t)(ifq)->ifq_head; \
mbuf_ref_t _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)
#define IF_DRAIN(ifq) do { \
struct mbuf *_m; \
for (;;) { \
IF_DEQUEUE(ifq, _m); \
if (_m == NULL) \
break; \
m_freem(_m); \
} \
} while (0)
/*
* The ifaddr structure contains information about one address
* of an interface. They are maintained by the different address families,
* are allocated and attached when an address is set, and are linked
* together so all addresses for an interface can be located.
*/
struct ifaddr {
decl_lck_mtx_data(, ifa_lock); /* lock for ifaddr */
os_ref_atomic_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 */
TAILQ_ENTRY(ifaddr) ifa_link; /* queue macro glue */
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_del_wc; /* Wait channel to avoid address deletion races */
int ifa_del_waiters; /* Threads in wait to delete the address */
};
/*
* Valid values for ifa_flags
*/
#define IFA_ROUTE RTF_UP /* route installed (0x1) */
#define IFA_CLONING RTF_CLONING /* (0x100) */
/*
* 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_DETACHING 0x20 /* detach is in progress */
#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)
os_refgrp_decl(static, ifa_refgrp, "ifa refcounts", NULL);
static inline void
ifa_addref(struct ifaddr *ifa)
{
os_ref_retain_raw(&ifa->ifa_refcnt, &ifa_refgrp);
}
__private_extern__ void ifa_deallocated(struct ifaddr *ifa);
static inline void
ifa_remref(struct ifaddr *ifa)
{
/* We can use _relaxed, because if we hit 0 we make sure the lock is held */
if (os_ref_release_raw_relaxed(&ifa->ifa_refcnt, &ifa_refgrp) == 0) {
ifa_deallocated(ifa);
}
}
/*
* Multicast address structure. This is analogous to the ifaddr
* structure except that it keeps track of multicast addresses.
* 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 ifmultiaddr *ifma_ll; /* link-layer translation, if any */
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);
};
/*
* 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.
*
* This macro also handles the case of IFNET_FAMILY_ETHERNET with
* IFNET_SUBFAMILY_SIMCELL which is used to simulate a cellular interface
* for testing purposes. The underlying interface is Ethernet but we treat
* it as cellular for accounting and policy purposes.
*/
#define IFNET_IS_CELLULAR(_ifp) \
((_ifp)->if_type == IFT_CELLULAR || \
(_ifp)->if_delegated.type == IFT_CELLULAR || \
(((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_SIMCELL)) || \
((_ifp)->if_delegated.family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_delegated.subfamily == IFNET_SUBFAMILY_SIMCELL))
/*
* Indicate whether or not the immediate interface, or the interface delegated
* by it, is an ETHERNET interface.
*/
#define IFNET_IS_ETHERNET(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_ETHERNET || \
(_ifp)->if_delegated.family == IFNET_FAMILY_ETHERNET)
/*
* 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_IS_WIFI(_ifp) \
(((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_WIFI) || \
((_ifp)->if_delegated.family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_delegated.subfamily == IFNET_SUBFAMILY_WIFI))
/*
* 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 WiFi interface is on an infrastructure
* network
*/
#define IFNET_IS_WIFI_INFRA(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_WIFI && \
!((_ifp)->if_eflags & IFEF_AWDL) && \
!((_ifp)->if_xflags & IFXF_LOW_LATENCY))
/*
* Indicate whether or not the immediate interface is a companion link
* interface.
*/
#define IFNET_IS_COMPANION_LINK(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_IPSEC && \
((_ifp)->if_subfamily == IFNET_SUBFAMILY_BLUETOOTH || \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_WIFI || \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_QUICKRELAY || \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_DEFAULT))
/*
* Indicate whether or not the immediate interface is a companion link
* interface using Bluetooth
*/
#define IFNET_IS_COMPANION_LINK_BLUETOOTH(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_IPSEC && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_BLUETOOTH)
/*
* 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)
#define IFNET_IS_LOW_POWER(_ifp) \
(if_low_power_restricted != 0 && \
((_ifp)->if_xflags & IFXF_LOW_POWER) || \
((_ifp)->if_delegated.ifp != NULL && \
((_ifp)->if_delegated.ifp->if_xflags & IFXF_LOW_POWER)))
#define IFNET_IS_CONSTRAINED(_ifp) \
((_ifp)->if_xflags & IFXF_CONSTRAINED || \
(_ifp)->if_delegated.constrained || \
(_ifp)->if_xflags & IFXF_ULTRA_CONSTRAINED || \
(_ifp)->if_delegated.ultra_constrained)
#define IFNET_IS_ULTRA_CONSTRAINED(_ifp) \
((_ifp)->if_xflags & IFXF_ULTRA_CONSTRAINED || \
(_ifp)->if_delegated.ultra_constrained)
#define IFNET_IS_VPN(_ifp) \
((_ifp)->if_xflags & IFXF_IS_VPN) \
/*
* 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))
#define IFNET_IS_INTCOPROC(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_INTCOPROC)
#define IFNET_IS_VMNET(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_VMNET)
#define IFNET_IS_MANAGEMENT(_ifp) \
(((_ifp)->if_xflags & IFXF_MANAGEMENT) != 0)
/*
* Indicate whether or not the immediate interface is IP over Thunderbolt.
*/
#define IFNET_IS_THUNDERBOLT_IP(_ifp) \
((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_THUNDERBOLT)
#define IFNET_IS_REDIRECT(_ifp) \
(((_ifp)->if_family == IFNET_FAMILY_ETHERNET || \
(_ifp)->if_family == IFNET_FAMILY_CELLULAR) && \
(_ifp)->if_subfamily == IFNET_SUBFAMILY_REDIRECT)
extern int if_index;
extern int if_indexcount;
extern uint32_t ifindex2ifnetcount;
extern struct ifnethead ifnet_head;
extern struct ifnethead ifnet_ordered_head;
extern struct ifnet **__counted_by_or_null(ifindex2ifnetcount) ifindex2ifnet;
extern u_int32_t if_sndq_maxlen;
extern u_int32_t if_rcvq_maxlen;
extern struct ifaddr **__counted_by_or_null(if_indexcount) 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 net_wake_pkt_debug;
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 cmd, caddr_t __sized_by(IOCPARM_LEN(cmd)), struct proc *);
extern int ifioctllocked(struct socket *, u_long cmd, caddr_t __sized_by(IOCPARM_LEN(cmd)), struct proc *);
extern struct ifnet *ifunit(const char *);
extern struct ifnet *ifunit_ref(const char *);
extern int ifunit_extract(const char *src, char *__counted_by(dstlen)dst, size_t dstlen, int *unit);
extern struct ifnet *if_withname(struct sockaddr *);
extern void if_qflush(struct ifnet *, struct ifclassq *, bool);
extern void if_qflush_snd(struct ifnet *, bool);
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 *__counted_by(namelen) name, size_t namelen, u_int32_t *);
extern int if_clone_attach(struct if_clone *);
extern void if_clone_detach(struct if_clone *);
extern u_int32_t if_functional_type(struct ifnet *, bool);
extern u_int32_t if_peer_egress_functional_type(struct ifnet *, bool);
extern errno_t if_mcasts_update(struct ifnet *);
extern const char *intf_event2str(int);
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;
static inline char *__header_indexable
if_inline_lladdr(struct ifnet *ifp)
{
// N.B.: unable to use SDL() from sockaddr_utils.h yet.
struct sockaddr *s = ifp->if_lladdr->ifa_addr;
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wcast-align"
struct sockaddr_dl *dl = __unsafe_forge_bidi_indexable(struct sockaddr_dl *,
s, s->sa_len);
#pragma clang diagnostic pop
return LLADDR(dl);
}
#define IF_LLADDR(_ifp) if_inline_lladdr(_ifp)
#define IF_INDEX_IN_RANGE(_ind_) ((_ind_) > 0 && \
(unsigned int)(_ind_) <= (unsigned int)if_index)
__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 INET
__private_extern__ void if_inetdata_lock_shared(struct ifnet *ifp);
__private_extern__ void if_inetdata_lock_exclusive(struct ifnet *ifp);
__private_extern__ void if_inetdata_lock_done(struct ifnet *ifp);
#endif
__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);
__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__ void ifnet_head_assert_exclusive(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_incr_pending_thread_count(struct ifnet *);
__private_extern__ void ifnet_decr_pending_thread_count(struct ifnet *);
__private_extern__ void ifnet_incr_iorefcnt(struct ifnet *);
__private_extern__ void ifnet_decr_iorefcnt(struct ifnet *);
__private_extern__ boolean_t ifnet_datamov_begin(struct ifnet *);
__private_extern__ void ifnet_datamov_end(struct ifnet *);
__private_extern__ void ifnet_datamov_suspend(struct ifnet *);
__private_extern__ boolean_t ifnet_datamov_suspend_if_needed(struct ifnet *);
__private_extern__ void ifnet_datamov_drain(struct ifnet *);
__private_extern__ void ifnet_datamov_suspend_and_drain(struct ifnet *);
__private_extern__ void ifnet_datamov_resume(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_locked(const struct sockaddr *);
extern struct ifaddr *ifa_ifwithaddr_scoped(const struct sockaddr *,
unsigned int);
extern struct ifaddr *ifa_ifwithaddr_scoped_locked(const struct sockaddr *,
unsigned int);
extern struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
extern struct ifaddr *ifa_ifwithdstaddr_scoped(const struct sockaddr *,
unsigned int);
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_select(const struct sockaddr *, struct ifnet *);
extern struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
__private_extern__ struct ifaddr *ifa_ifpgetprimary(struct ifnet *, int);
extern void ifa_initref(struct ifaddr *);
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);
extern void ifnet_notify_data_threshold(struct ifnet *);
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);
__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__ void if_copy_netif_stats(struct ifnet *ifp,
struct if_netif_stats *if_ns);
__private_extern__ struct rtentry *ifnet_cached_rtlookup_inet(struct ifnet *,
struct in_addr);
__private_extern__ struct rtentry *ifnet_cached_rtlookup_inet6(struct ifnet *,
struct in6_addr *);
__private_extern__ u_int32_t if_get_protolist(struct ifnet * ifp,
u_int32_t *protolist, u_int32_t count);
__private_extern__ void if_free_protolist(u_int32_t *list);
__private_extern__ errno_t if_state_update(struct ifnet *,
struct if_interface_state *);
__private_extern__ void if_get_state(struct ifnet *,
struct if_interface_state *);
__private_extern__ errno_t if_probe_connectivity(struct ifnet *ifp,
u_int32_t conn_probe);
__private_extern__ void if_lqm_update(struct ifnet *, int32_t, int);
__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__ void ifnet_clear_netagent(uuid_t);
__private_extern__ int ifnet_set_netsignature(struct ifnet *, uint8_t,
uint8_t, uint16_t, uint8_t *);
__private_extern__ int ifnet_get_netsignature(struct ifnet *, uint8_t,
uint8_t *, uint16_t *, uint8_t *);
struct ipv6_prefix;
__private_extern__ int ifnet_set_nat64prefix(struct ifnet *,
struct ipv6_prefix *);
__private_extern__ int ifnet_get_nat64prefix(struct ifnet *,
struct ipv6_prefix *);
/* Required exclusive ifnet_head lock */
__private_extern__ void ifnet_remove_from_ordered_list(struct ifnet *);
__private_extern__ void ifnet_increment_generation(struct ifnet *);
__private_extern__ u_int32_t ifnet_get_generation(struct ifnet *);
/* Adding and deleting netagents will take ifnet lock */
__private_extern__ int if_add_netagent(struct ifnet *, uuid_t);
__private_extern__ int if_add_netagent_locked(struct ifnet *, uuid_t);
__private_extern__ int if_delete_netagent(struct ifnet *, uuid_t);
__private_extern__ boolean_t if_check_netagent(struct ifnet *, uuid_t);
#if SKYWALK
extern unsigned int if_enable_fsw_ip_netagent;
static inline boolean_t
if_is_fsw_ip_netagent_enabled(void)
{
return if_enable_fsw_ip_netagent != 0;
}
extern unsigned int if_enable_fsw_transport_netagent;
static inline boolean_t
if_is_fsw_transport_netagent_enabled(void)
{
return if_enable_fsw_transport_netagent != 0;
}
static inline boolean_t
if_is_fsw_netagent_enabled(void)
{
return if_is_fsw_transport_netagent_enabled() ||
if_is_fsw_ip_netagent_enabled();
}
#endif /* SKYWALK */
extern int if_set_qosmarking_mode(struct ifnet *, u_int32_t);
__private_extern__ uint32_t ifnet_mbuf_packetpreamblelen(struct ifnet *);
__private_extern__ void intf_event_enqueue_nwk_wq_entry(struct ifnet *ifp,
struct sockaddr *addrp, uint32_t intf_event_code);
__private_extern__ void ifnet_update_stats_per_flow(struct ifnet_stats_per_flow *,
struct ifnet *);
__private_extern__ int if_get_tcp_kao_max(struct ifnet *);
#if XNU_TARGET_OS_OSX
__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 /* XNU_TARGET_OS_OSX */
__private_extern__ void ifnet_enqueue_multi_setup(struct ifnet *, uint16_t,
uint16_t);
__private_extern__ errno_t ifnet_enqueue_mbuf(struct ifnet *, struct mbuf *,
boolean_t, boolean_t *);
__private_extern__ errno_t ifnet_enqueue_mbuf_chain(struct ifnet *,
struct mbuf *, struct mbuf *, uint32_t, uint32_t, boolean_t, boolean_t *);
__private_extern__ int ifnet_enqueue_netem(void *handle, pktsched_pkt_t *pkts,
uint32_t n_pkts);
#if SKYWALK
struct __kern_packet;
extern errno_t ifnet_enqueue_pkt(struct ifnet *,
struct __kern_packet *, boolean_t, boolean_t *);
extern errno_t ifnet_enqueue_ifcq_pkt(struct ifnet *, struct ifclassq *,
struct __kern_packet *, boolean_t, boolean_t *);
extern errno_t ifnet_enqueue_pkt_chain(struct ifnet *, struct __kern_packet *,
struct __kern_packet *, uint32_t, uint32_t, boolean_t, boolean_t *);
extern errno_t ifnet_enqueue_ifcq_pkt_chain(struct ifnet *, struct ifclassq *,
struct __kern_packet *, struct __kern_packet *, uint32_t, uint32_t, boolean_t,
boolean_t *);
extern errno_t ifnet_set_output_handler(struct ifnet *, ifnet_output_func);
extern void ifnet_reset_output_handler(struct ifnet *);
extern errno_t ifnet_set_start_handler(struct ifnet *, ifnet_start_func);
extern void ifnet_reset_start_handler(struct ifnet *);
#define SK_NXS_MS_IF_ADDR_GENCNT_INC(ifp) \
os_atomic_inc(&(ifp)->if_nx_flowswitch.if_fsw_ipaddr_gencnt, relaxed);
#endif /* SKYWALK */
extern int if_low_power_verbose;
extern int if_low_power_restricted;
extern void if_low_power_evhdlr_init(void);
extern int if_set_low_power(struct ifnet *, bool);
extern u_int32_t if_set_eflags(ifnet_t, u_int32_t);
extern void if_clear_eflags(ifnet_t, u_int32_t);
extern u_int32_t if_set_xflags(ifnet_t, u_int32_t);
extern void if_clear_xflags(ifnet_t, u_int32_t);
extern boolean_t sa_equal(const struct sockaddr *, const struct sockaddr *);
extern void ifnet_update_traffic_rule_genid(struct ifnet *);
extern boolean_t ifnet_sync_traffic_rule_genid(struct ifnet *, uint32_t *);
extern void ifnet_update_traffic_rule_count(struct ifnet *, uint32_t);
#endif /* BSD_KERNEL_PRIVATE */
#endif /* DRIVERKIT */
#endif /* !_NET_IF_VAR_PRIVATE_H_ */