/*
- * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 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
* 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,
* 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@
*/
/*
#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 BSD_KERN_PRIVATE
+#include <sys/eventhandler.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
};
#if defined(__LP64__)
-#define __need_struct_timeval32
-#include <sys/_structs.h>
+#include <sys/_types/_timeval32.h>
#define IF_DATA_TIMEVAL timeval32
#else
#define IF_DATA_TIMEVAL timeval
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) */
+};
+
+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_int16_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;
+};
+
+/*
+ * Interface link status report -- includes statistics related to
+ * the link layer technology sent by the driver. The driver will monitor
+ * these statistics over an interval (3-4 secs) and will generate a report
+ * to the network stack. This will give first-hand information about the
+ * status of the first hop of the network path. The version and
+ * length values should be correct for the data to be processed correctly.
+ * The definitions are different for different kind of interfaces like
+ * Wifi, Cellular etc,.
+ */
+#define IF_CELLULAR_STATUS_REPORT_VERSION_1 1
+#define IF_WIFI_STATUS_REPORT_VERSION_1 1
+#define IF_CELLULAR_STATUS_REPORT_CURRENT_VERSION \
+ IF_CELLULAR_STATUS_REPORT_VERSION_1
+#define IF_WIFI_STATUS_REPORT_CURRENT_VERSION IF_WIFI_STATUS_REPORT_VERSION_1
+/*
+ * For cellular interface --
+ * There is no way to share common headers between the Baseband and
+ * the kernel. Any changes to this structure will need to be communicated
+ * to the Baseband team. It is better to use reserved space instead of
+ * changing the size or existing fields in the structure.
+ */
+struct if_cellular_status_v1 {
+ u_int32_t valid_bitmask; /* indicates which fields are valid */
+#define IF_CELL_LINK_QUALITY_METRIC_VALID 0x1
+#define IF_CELL_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define IF_CELL_UL_MAX_BANDWIDTH_VALID 0x4
+#define IF_CELL_UL_MIN_LATENCY_VALID 0x8
+#define IF_CELL_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define IF_CELL_UL_MAX_LATENCY_VALID 0x20
+#define IF_CELL_UL_RETXT_LEVEL_VALID 0x40
+#define IF_CELL_UL_BYTES_LOST_VALID 0x80
+#define IF_CELL_UL_MIN_QUEUE_SIZE_VALID 0x100
+#define IF_CELL_UL_AVG_QUEUE_SIZE_VALID 0x200
+#define IF_CELL_UL_MAX_QUEUE_SIZE_VALID 0x400
+#define IF_CELL_DL_EFFECTIVE_BANDWIDTH_VALID 0x800
+#define IF_CELL_DL_MAX_BANDWIDTH_VALID 0x1000
+#define IF_CELL_CONFIG_INACTIVITY_TIME_VALID 0x2000
+#define IF_CELL_CONFIG_BACKOFF_TIME_VALID 0x4000
+#define IF_CELL_UL_MSS_RECOMMENDED_VALID 0x8000
+
+ u_int32_t link_quality_metric;
+ u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on current activity (bps) */
+ u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth (bps) */
+ u_int32_t ul_min_latency; /* min expected uplink latency for first hop (ms) */
+ u_int32_t ul_effective_latency; /* current expected uplink latency for first hop (ms) */
+ u_int32_t ul_max_latency; /* max expected uplink latency first hop (ms) */
+ u_int32_t ul_retxt_level; /* Retransmission metric */
+#define IF_CELL_UL_RETXT_LEVEL_NONE 1
+#define IF_CELL_UL_RETXT_LEVEL_LOW 2
+#define IF_CELL_UL_RETXT_LEVEL_MEDIUM 3
+#define IF_CELL_UL_RETXT_LEVEL_HIGH 4
+ u_int32_t ul_bytes_lost; /* % of total bytes lost on uplink in Q10 format */
+ u_int32_t ul_min_queue_size; /* minimum bytes in queue */
+ u_int32_t ul_avg_queue_size; /* average bytes in queue */
+ u_int32_t ul_max_queue_size; /* maximum bytes in queue */
+ u_int32_t dl_effective_bandwidth; /* Measured downlink bandwidth based on current activity (bps) */
+ u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth (bps) */
+ u_int32_t config_inactivity_time; /* ms */
+ u_int32_t config_backoff_time; /* new connections backoff time in ms */
+#define IF_CELL_UL_MSS_RECOMMENDED_NONE 0x0 /* Use default */
+#define IF_CELL_UL_MSS_RECOMMENDED_MEDIUM 0x1 /* 1200 byte MSS */
+#define IF_CELL_UL_MSS_RECOMMENDED_LOW 0x2 /* 512 byte MSS */
+ u_int16_t mss_recommended;
+ u_int16_t reserved_1;
+ u_int32_t reserved_2;
+ u_int64_t reserved_3;
+ u_int64_t reserved_4;
+ u_int64_t reserved_5;
+ u_int64_t reserved_6;
+} __attribute__((packed));
+
+struct if_cellular_status {
+ union {
+ struct if_cellular_status_v1 if_status_v1;
+ } if_cell_u;
+};
+
+/*
+ * These statistics will be provided by the Wifi driver periodically.
+ * After sending each report, the driver should start computing again
+ * for the next report duration so that the values represent the link
+ * status for one report duration.
+ */
+
+struct if_wifi_status_v1 {
+ u_int32_t valid_bitmask;
+#define IF_WIFI_LINK_QUALITY_METRIC_VALID 0x1
+#define IF_WIFI_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define IF_WIFI_UL_MAX_BANDWIDTH_VALID 0x4
+#define IF_WIFI_UL_MIN_LATENCY_VALID 0x8
+#define IF_WIFI_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define IF_WIFI_UL_MAX_LATENCY_VALID 0x20
+#define IF_WIFI_UL_RETXT_LEVEL_VALID 0x40
+#define IF_WIFI_UL_ERROR_RATE_VALID 0x80
+#define IF_WIFI_UL_BYTES_LOST_VALID 0x100
+#define IF_WIFI_DL_EFFECTIVE_BANDWIDTH_VALID 0x200
+#define IF_WIFI_DL_MAX_BANDWIDTH_VALID 0x400
+#define IF_WIFI_DL_MIN_LATENCY_VALID 0x800
+#define IF_WIFI_DL_EFFECTIVE_LATENCY_VALID 0x1000
+#define IF_WIFI_DL_MAX_LATENCY_VALID 0x2000
+#define IF_WIFI_DL_ERROR_RATE_VALID 0x4000
+#define IF_WIFI_CONFIG_FREQUENCY_VALID 0x8000
+#define IF_WIFI_CONFIG_MULTICAST_RATE_VALID 0x10000
+#define IF_WIFI_CONFIG_SCAN_COUNT_VALID 0x20000
+#define IF_WIFI_CONFIG_SCAN_DURATION_VALID 0x40000
+ u_int32_t link_quality_metric; /* link quality metric */
+ u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on current activity (bps) */
+ u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth (bps) */
+ u_int32_t ul_min_latency; /* min expected uplink latency for first hop (ms) */
+ u_int32_t ul_effective_latency; /* current expected uplink latency for first hop (ms) */
+ u_int32_t ul_max_latency; /* max expected uplink latency for first hop (ms) */
+ u_int32_t ul_retxt_level; /* Retransmission metric */
+#define IF_WIFI_UL_RETXT_LEVEL_NONE 1
+#define IF_WIFI_UL_RETXT_LEVEL_LOW 2
+#define IF_WIFI_UL_RETXT_LEVEL_MEDIUM 3
+#define IF_WIFI_UL_RETXT_LEVEL_HIGH 4
+ u_int32_t ul_bytes_lost; /* % of total bytes lost on uplink in Q10 format */
+ u_int32_t ul_error_rate; /* % of bytes dropped on uplink after many retransmissions in Q10 format */
+ u_int32_t dl_effective_bandwidth; /* Measured downlink bandwidth based on current activity (bps) */
+ u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth (bps) */
+ /*
+ * The download latency values indicate the time AP may have to wait for the
+ * driver to receive the packet. These values give the range of expected latency
+ * mainly due to co-existence events and channel hopping where the interface
+ * becomes unavailable.
+ */
+ u_int32_t dl_min_latency; /* min expected latency for first hop in ms */
+ u_int32_t dl_effective_latency; /* current expected latency for first hop in ms */
+ u_int32_t dl_max_latency; /* max expected latency for first hop in ms */
+ u_int32_t dl_error_rate; /* % of CRC or other errors in Q10 format */
+ u_int32_t config_frequency; /* 2.4 or 5 GHz */
+#define IF_WIFI_CONFIG_FREQUENCY_2_4_GHZ 1
+#define IF_WIFI_CONFIG_FREQUENCY_5_0_GHZ 2
+ u_int32_t config_multicast_rate; /* bps */
+ u_int32_t scan_count; /* scan count during the previous period */
+ u_int32_t scan_duration; /* scan duration in ms */
+ u_int64_t reserved_1;
+ u_int64_t reserved_2;
+ u_int64_t reserved_3;
+ u_int64_t reserved_4;
+} __attribute__((packed));
+
+struct if_wifi_status {
+ union {
+ struct if_wifi_status_v1 if_status_v1;
+ } if_wifi_u;
+};
+
+struct if_link_status {
+ u_int32_t ifsr_version; /* version of this report */
+ u_int32_t ifsr_len; /* length of the following struct */
+ union {
+ struct if_cellular_status ifsr_cell;
+ struct if_wifi_status ifsr_wifi;
+ } ifsr_u;
+};
+
+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))));
+
+#endif /* PRIVATE */
+
#pragma pack()
-#ifdef PRIVATE
+/*
+ * 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_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 */
-#define IF_LASTCHANGEUPTIME 1 /* lastchange: 1-uptime 0-calendar time */
+ 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 */
+#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
+#define if_lastupdown if_data.ifi_lastupdown
+#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);
+LIST_HEAD(ifmultihead, ifmultiaddr);
+TAILQ_HEAD(tailq_head, tqdummy);
TAILQ_HEAD(ifnet_filter_head, ifnet_filter);
TAILQ_HEAD(ddesc_head_name, dlil_demux_desc);
-/* bottom 16 bits reserved for hardware checksum */
-#define IF_HWASSIST_CSUM_IP 0x0001 /* will csum IP */
-#define IF_HWASSIST_CSUM_TCP 0x0002 /* will csum TCP */
-#define IF_HWASSIST_CSUM_UDP 0x0004 /* will csum UDP */
-#define IF_HWASSIST_CSUM_IP_FRAGS 0x0008 /* will csum IP fragments */
-#define IF_HWASSIST_CSUM_FRAGMENT 0x0010 /* will do IP fragmentation */
-#define IF_HWASSIST_CSUM_TCP_SUM16 0x1000 /* simple TCP Sum16 computation */
+extern boolean_t intcoproc_unrestricted;
+#endif /* BSD_KERNEL_PRIVATE */
+
+#ifdef 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 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>
-#ifdef PRIVATE
+RB_HEAD(ll_reach_tree, if_llreach); /* define struct ll_reach_tree */
-struct ddesc_head_str;
-struct proto_hash_entry;
-struct kev_msg;
-struct dlil_threading_info;
+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);
+
+#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
-#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 */
+ 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 */
+
+#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 *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;
+ 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;
- 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_int16_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;
-/* End DLIL specific */
+ 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 */
- u_long if_delayed_detach; /* need to perform delayed detach */
- void *if_private; /* private to interface */
- long if_eflags; /* autoaddr, autoaddr done, etc. */
+ 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;
- struct ifmultihead if_multiaddrs; /* multicast addresses configured */
- int if_amcount; /* number of all-multicast requests */
-/* procedure handles */
-#ifdef __KPI_INTERFACE__
- ifnet_add_proto_func if_add_proto;
- 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;
-#if 0
- void *unused_was_init;
-#else
- struct dlil_threading_info *if_input_thread;
-#endif
- void *unused_was_resolvemulti;
-
- struct ifqueue if_snd;
- u_long unused_2[1];
-#ifdef __APPLE__
- u_long family_cookie;
- struct ifprefixhead if_prefixhead; /* list of prefixes per if */
+ struct dlil_threading_info *if_inp;
-#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
+ /* allocated once along with dlil_ifnet and is never freed */
+ thread_call_t if_dt_tcall;
-#else
- struct ifprefixhead if_prefixhead; /* list of prefixes per if */
-#endif /* __APPLE__ */
struct {
- u_long length;
+ u_int32_t length;
union {
u_char buffer[8];
u_char *ptr;
} u;
} if_broadcast;
#if CONFIG_MACF_NET
- struct label *if_label; /* interface MAC label */
+ struct label *if_label; /* interface MAC label */
+#endif
+
+#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 */
+ 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 */
+#if INET6
+ struct mld_ifinfo *if_mli; /* for MLDv2 */
+#endif /* INET6 */
+
+ 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;
+
+ uuid_t *if_agentids; /* network agents attached to interface */
+ u_int32_t if_agentcount;
+
+ 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;
+
+#if INET
+ decl_lck_rw_data(, if_inetdata_lock);
+ void *if_inetdata;
+#endif /* INET */
+#if INET6
+ decl_lck_rw_data(, if_inet6data_lock);
+ void *if_inet6data;
#endif
+ 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;
+
+ struct if_lim_perf_stat if_lim_stat;
};
-#ifndef __APPLE__
-/* for compatibility with other BSDs */
-#define if_addrlist if_addrhead
-#define if_list if_link
-#endif !__APPLE__
+/* 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_t;
-#endif /* PRIVATE */
+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) \
+ atomic_add_64(&(_ifp)->if_tcp_stat->_s, 1); \
+} while (0);
+
+#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_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_ATTACH_MASK \
+ (IFRF_EMBRYONIC|IFRF_ATTACHED|IFRF_DETACHING)
+
+#define IF_FULLY_ATTACHED(_ifp) \
+ (((_ifp)->if_refflags & IFRF_ATTACH_MASK) == IFRF_ATTACHED)
+/*
+ * 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) \
- { { NULL, NULL }, 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)
+#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 = (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) = (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 { \
+ 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)
+
+#define IF_DRAIN(ifq) do { \
+ struct mbuf *_m; \
+ for (;;) { \
+ IF_DEQUEUE(ifq, _m); \
+ if (_m == NULL) \
+ break; \
+ m_freem(_m); \
+ } \
+} while (0)
-#if defined(__GNUC__) && defined(MT_HEADER)
-static __inline int
-if_queue_drop(struct ifqueue *ifq, __unused struct mbuf *m)
-{
- IF_DROP(ifq);
- return 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
-
-#ifdef MT_HEADER
-int if_enq_drop(struct ifqueue *, struct mbuf *);
-#endif MT_HEADER
-
-#endif defined(__GNUC__) && defined(MT_HEADER)
-
-#endif /* KERNEL_PRIVATE */
-
-
-#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 */
+#if __arm__ && (__BIGGEST_ALIGNMENT__ > 4)
+/* For the newer ARMv7k ABI where 64-bit types are 64-bit aligned, but pointers
+ * are 32-bit:
+ * Align to 64-bit since we cast to this to struct in6_ifaddr, which is
+ * 64-bit aligned
+ */
+} __attribute__ ((aligned(8)));
+#else
};
+#endif
+
+
+/*
+ * 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 */
-#ifdef KERNEL_PRIVATE
/*
- * The prefix structure contains information about one prefix
- * of an interface. They are maintained by the different address families,
- * are allocated and attached when an prefix or an address is set,
- * and are linked together so all prefixes for an interface can be located.
- */
-struct ifprefix {
- struct sockaddr *ifpr_prefix; /* prefix of interface */
- struct ifnet *ifpr_ifp; /* back-pointer to interface */
- TAILQ_ENTRY(ifprefix) ifpr_list; /* queue macro glue */
- u_char ifpr_plen; /* prefix length in bits */
- u_char ifpr_type; /* protocol dependent prefix type */
-};
-#endif /* KERNEL_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_DETACHING 0x20 /* detach is in progress */
+#define IFD_NOTREADY 0x40 /* embryonic; not yet ready */
-#ifdef PRIVATE
-typedef void (*ifma_protospec_free_func)(void* ifma_protospec);
+#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)
/*
* 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)
/*
- * To preserve kmem compatibility, we define
- * ifnet_head to ifnet. This should be temp.
- */
-#define ifnet_head ifnet
-extern struct ifnethead ifnet_head;
-extern struct ifnet **ifindex2ifnet;
-extern int ifqmaxlen;
-extern ifnet_t lo_ifp;
-extern int if_index;
-extern struct ifaddr **ifnet_addrs;
-
-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 *);
-int if_down_all(void);
-void if_route(struct ifnet *, int flag, int fam);
-void if_unroute(struct ifnet *, int flag, int fam);
-void if_up(struct ifnet *);
-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_ifwithaddr_scoped(const struct sockaddr *, unsigned int);
-struct ifaddr *ifa_ifwithdstaddr(const struct sockaddr *);
-struct ifaddr *ifa_ifwithnet(const struct sockaddr *);
-struct ifaddr *ifa_ifwithnet_scoped(const struct sockaddr *, unsigned int);
-struct ifaddr *ifa_ifwithroute(int, const struct sockaddr *, const struct sockaddr *);
-struct ifaddr *ifa_ifwithroute_locked(int, const struct sockaddr *, const struct sockaddr *);
-struct ifaddr *ifa_ifwithroute_scoped_locked(int, const struct sockaddr *,
- const struct sockaddr *, unsigned int);
-struct ifaddr *ifaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
-struct ifaddr *ifa_ifpgetprimary(struct ifnet *, int);
-void ifafree(struct ifaddr *);
-void ifaref(struct ifaddr *);
-
-struct ifmultiaddr *ifmaof_ifpforaddr(const struct sockaddr *, struct ifnet *);
-
-int ifa_foraddr(unsigned int addr);
+ * 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)
-#ifdef BSD_KERNEL_PRIVATE
-enum {
- kIfNetUseCount_MayBeZero = 0,
- kIfNetUseCount_MustNotBeZero = 1
-};
+/*
+ * 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_subfamily == IFNET_SUBFAMILY_WIFI || \
+ (_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))
+
+/*
+ * 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))
+
+#define IFNET_IS_INTCOPROC(_ifp) \
+ ((_ifp)->if_family == IFNET_FAMILY_ETHERNET && \
+ (_ifp)->if_subfamily == IFNET_SUBFAMILY_INTCOPROC)
+
+extern struct ifnethead ifnet_head;
+extern struct ifnethead ifnet_ordered_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 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 *ifunit_ref(const char *);
+extern int ifunit_extract(const char *src, char *dst, size_t dstlen, int *unit);
+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 u_int32_t if_functional_type(struct ifnet *, bool);
+
+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)))
+
+#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
+
+#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__ 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_iorefcnt(struct ifnet *);
+__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_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_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_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);
+extern void ifnet_notify_data_threshold(struct ifnet *);
+
+#define IF_AFDATA_RLOCK if_afdata_rlock
+#define IF_AFDATA_RUNLOCK if_afdata_unlock
+#define IF_AFDATA_WLOCK if_afdata_wlock
+#define IF_AFDATA_WUNLOCK if_afdata_unlock
+#define IF_AFDATA_WLOCK_ASSERT if_afdata_wlock_assert
+#define IF_AFDATA_LOCK_ASSERT if_afdata_lock_assert
+#define IF_AFDATA_UNLOCK_ASSERT if_afdata_unlock_assert
+
+static inline void
+if_afdata_rlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_lock_shared(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_lock_shared(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
-int ifp_use(struct ifnet *ifp, int handle_zero);
-int ifp_unuse(struct ifnet *ifp);
-void ifp_use_reached_zero(struct ifnet *ifp);
+static inline void
+if_afdata_runlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_done(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_done(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_wlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_lock_exclusive(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_lock_exclusive(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
-void if_data_internal_to_if_data(struct ifnet *ifp, const struct if_data_internal *if_data_int,
- struct if_data *if_data);
-void if_data_internal_to_if_data64(struct ifnet *ifp, const struct if_data_internal *if_data_int,
- struct if_data64 *if_data64);
+static inline void
+if_afdata_unlock (struct ifnet *ifp, int af)
+{
+ switch (af) {
+#if INET
+ case AF_INET:
+ lck_rw_done(&ifp->if_inetdata_lock);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ lck_rw_done(&ifp->if_inet6data_lock);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_wlock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_EXCLUSIVE);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_EXCLUSIVE);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_unlock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_NOTHELD);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_NOTHELD);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+static inline void
+if_afdata_lock_assert (struct ifnet *ifp, int af)
+{
+#if !MACH_ASSERT
+#pragma unused(ifp)
+#endif
+ switch (af) {
+#if INET
+ case AF_INET:
+ LCK_RW_ASSERT(&ifp->if_inetdata_lock, LCK_RW_ASSERT_HELD);
+ break;
+#endif
+#if INET6
+ case AF_INET6:
+ LCK_RW_ASSERT(&ifp->if_inet6data_lock, LCK_RW_ASSERT_HELD);
+ break;
+#endif
+ default:
+ VERIFY(0);
+ /* NOTREACHED */
+ }
+ return;
+}
+
+#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__ 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 *);
+
+#if INET6
+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 *);
+#endif
+
+/* 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_delete_netagent(struct ifnet *, uuid_t);
+__private_extern__ boolean_t if_check_netagent(struct ifnet *, uuid_t);
+
+
+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 *);
+#if !CONFIG_EMBEDDED
+__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 /* !CONFIG_EMBEDDED */
+__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 *);
#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_ */
projects / apple / xnu.git / blobdiff