FreeBSD/Linux Kernel Cross Reference
sys/net/if.h

     /*      $OpenBSD: if.h,v 1.209 2022/06/27 15:11:23 jan Exp $    */
     /*      $NetBSD: if.h,v 1.23 1996/05/07 02:40:27 thorpej Exp $  */
     
     /*
      * 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. 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.
     *
     *      @(#)if.h        8.1 (Berkeley) 6/10/93
     */
    
    #ifndef _NET_IF_H_
    #define _NET_IF_H_
    
    #include <sys/cdefs.h>
    
    /*
     * Length of interface external name, including terminating '\0'.
     * Note: this is the same size as a generic device's external name.
     */
    #define IF_NAMESIZE     16
    
    struct if_nameindex {
            unsigned int    if_index;
            char            *if_name;
    };
    
    #ifndef _KERNEL
    __BEGIN_DECLS
    unsigned int if_nametoindex(const char *);
    char    *if_indextoname(unsigned int, char *);
    struct  if_nameindex *if_nameindex(void);
    void    if_freenameindex(struct if_nameindex *);
    __END_DECLS
    #endif
    
    #if __BSD_VISIBLE
    
    #include <sys/types.h>
    #include <sys/time.h>
    #include <sys/socket.h>
    
    /*
     * Structure used to query names of interface cloners.
     */
    struct if_clonereq {
            int     ifcr_total;             /* total cloners (out) */
            int     ifcr_count;             /* room for this many in user buffer */
            char    *ifcr_buffer;           /* buffer for cloner names */
    };
    
    #define MCLPOOLS        8               /* number of cluster pools */
    
    struct if_rxring {
            int     rxr_adjusted;
            u_int   rxr_alive;
            u_int   rxr_cwm;
            u_int   rxr_lwm;
            u_int   rxr_hwm;
    };
    
    struct if_rxring_info {
            char    ifr_name[16];           /* name of the ring */
            u_int   ifr_size;               /* size of the packets on the ring */
            struct if_rxring ifr_info;
    };
    
    /* Structure used in SIOCGIFRXR request. */
    struct if_rxrinfo {
            u_int   ifri_total;
            struct if_rxring_info *ifri_entries;
    };
    
    /*
     * Structure defining statistics and other data kept regarding a network
     * interface.
    */
   struct  if_data {
           /* generic interface information */
           u_char          ifi_type;               /* ethernet, tokenring, etc. */
           u_char          ifi_addrlen;            /* media address length */
           u_char          ifi_hdrlen;             /* media header length */
           u_char          ifi_link_state;         /* current link state */
           u_int32_t       ifi_mtu;                /* maximum transmission unit */
           u_int32_t       ifi_metric;             /* routing metric (external only) */
           u_int32_t       ifi_rdomain;            /* routing instance */
           u_int64_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_oqdrops;            /* dropped on output, this interface */
           u_int64_t       ifi_noproto;            /* destined for unsupported protocol */
           u_int32_t       ifi_capabilities;       /* interface capabilities */
           struct  timeval ifi_lastchange; /* last operational state change */
   };
   
   #define IFQ_NQUEUES     8
   #define IFQ_MINPRIO     0
   #define IFQ_MAXPRIO     IFQ_NQUEUES - 1
   #define IFQ_DEFPRIO     3
   #define IFQ_PRIO2TOS(_p) ((_p) << 5)
   #define IFQ_TOS2PRIO(_t) ((_t) >> 5)
   
   /*
    * Values for if_link_state.
    */
   #define LINK_STATE_UNKNOWN      0       /* link unknown */
   #define LINK_STATE_INVALID      1       /* link invalid */
   #define LINK_STATE_DOWN         2       /* link is down */
   #define LINK_STATE_KALIVE_DOWN  3       /* keepalive reports down */
   #define LINK_STATE_UP           4       /* link is up */
   #define LINK_STATE_HALF_DUPLEX  5       /* link is up and half duplex */
   #define LINK_STATE_FULL_DUPLEX  6       /* link is up and full duplex */
   
   #define LINK_STATE_IS_UP(_s)    \
                   ((_s) >= LINK_STATE_UP || (_s) == LINK_STATE_UNKNOWN)
   
   /*
    * Status bit descriptions for the various interface types.
    */
   struct if_status_description {
           u_char  ifs_type;
           u_char  ifs_state;
           const char *ifs_string;
   };
   
   #define LINK_STATE_DESC_MATCH(_ifs, _t, _s)                             \
           (((_ifs)->ifs_type == (_t) || (_ifs)->ifs_type == 0) &&         \
               (_ifs)->ifs_state == (_s))
   
   
   #define LINK_STATE_DESCRIPTIONS {                                       \
           { IFT_ETHER, LINK_STATE_DOWN, "no carrier" },                   \
                                                                           \
           { IFT_IEEE80211, LINK_STATE_DOWN, "no network" },               \
                                                                           \
           { IFT_PPP, LINK_STATE_DOWN, "no carrier" },                     \
                                                                           \
           { IFT_CARP, LINK_STATE_DOWN, "backup" },                        \
           { IFT_CARP, LINK_STATE_UP, "master" },                          \
           { IFT_CARP, LINK_STATE_HALF_DUPLEX, "master" },                 \
           { IFT_CARP, LINK_STATE_FULL_DUPLEX, "master" },                 \
                                                                           \
           { 0, LINK_STATE_UP, "active" },                                 \
           { 0, LINK_STATE_HALF_DUPLEX, "active" },                        \
           { 0, LINK_STATE_FULL_DUPLEX, "active" },                        \
                                                                           \
           { 0, LINK_STATE_UNKNOWN, "unknown" },                           \
           { 0, LINK_STATE_INVALID, "invalid" },                           \
           { 0, LINK_STATE_DOWN, "down" },                                 \
           { 0, LINK_STATE_KALIVE_DOWN, "keepalive down" },                \
           { 0, 0, NULL }                                                  \
   }
   
   /* Traditional BSD name for length of interface external name. */
   #define IFNAMSIZ        IF_NAMESIZE
   
   /*
    * Length of interface description, including terminating '\0'.
    */
   #define IFDESCRSIZE     64
   
   /*
    * Interface flags can be either owned by the stack or the driver.  The
    * symbols below document who is toggling which flag.
    *
    *      I       immutable after creation
    *      N       written by the stack (upon user request)
    *      d       written by the driver
    *      c       for userland compatibility only
    */
   #define IFF_UP          0x1             /* [N] interface is up */
   #define IFF_BROADCAST   0x2             /* [I] broadcast address valid */
   #define IFF_DEBUG       0x4             /* [N] turn on debugging */
   #define IFF_LOOPBACK    0x8             /* [I] is a loopback net */
   #define IFF_POINTOPOINT 0x10            /* [I] is point-to-point link */
   #define IFF_STATICARP   0x20            /* [N] only static ARP */
   #define IFF_RUNNING     0x40            /* [d] resources allocated */
   #define IFF_NOARP       0x80            /* [N] no address resolution protocol */
   #define IFF_PROMISC     0x100           /* [N] receive all packets */
   #define IFF_ALLMULTI    0x200           /* [d] receive all multicast packets */
   #define IFF_OACTIVE     0x400           /* [c] transmission in progress */
   #define IFF_SIMPLEX     0x800           /* [I] can't hear own transmissions */
   #define IFF_LINK0       0x1000          /* [N] per link layer defined bit */
   #define IFF_LINK1       0x2000          /* [N] per link layer defined bit */
   #define IFF_LINK2       0x4000          /* [N] per link layer defined bit */
   #define IFF_MULTICAST   0x8000          /* [I] supports multicast */
   
   /* flags set internally only: */
   #define IFF_CANTCHANGE \
           (IFF_BROADCAST|IFF_POINTOPOINT|IFF_RUNNING|IFF_OACTIVE|\
               IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI)
   
   #define IFXF_MPSAFE             0x1     /* [I] if_start is mpsafe */
   #define IFXF_CLONED             0x2     /* [I] pseudo interface */
   #define IFXF_AUTOCONF6TEMP      0x4     /* [N] v6 temporary addrs enabled */
   #define IFXF_MPLS               0x8     /* [N] supports MPLS */
   #define IFXF_WOL                0x10    /* [N] wake on lan enabled */
   #define IFXF_AUTOCONF6          0x20    /* [N] v6 autoconf enabled */
   #define IFXF_INET6_NOSOII       0x40    /* [N] don't do RFC 7217 */
   #define IFXF_AUTOCONF4          0x80    /* [N] v4 autoconf (aka dhcp) enabled */
   #define IFXF_MONITOR            0x100   /* [N] only used for bpf */
   #define IFXF_TSO                0x200   /* [N] TCP segment offloading */
   
   #define IFXF_CANTCHANGE \
           (IFXF_MPSAFE|IFXF_CLONED)
   
   /*
    * Some convenience macros used for setting ifi_baudrate.
    */
   #define IF_Kbps(x)      ((x) * 1000ULL)                 /* kilobits/sec. */
   #define IF_Mbps(x)      (IF_Kbps((x) * 1000ULL))        /* megabits/sec. */
   #define IF_Gbps(x)      (IF_Mbps((x) * 1000ULL))        /* gigabits/sec. */
   
   /* Capabilities that interfaces can advertise. */
   #define IFCAP_CSUM_IPv4         0x00000001      /* can do IPv4 header csum */
   #define IFCAP_CSUM_TCPv4        0x00000002      /* can do IPv4/TCP csum */
   #define IFCAP_CSUM_UDPv4        0x00000004      /* can do IPv4/UDP csum */
   #define IFCAP_VLAN_MTU          0x00000010      /* VLAN-compatible MTU */
   #define IFCAP_VLAN_HWTAGGING    0x00000020      /* hardware VLAN tag support */
   #define IFCAP_CSUM_TCPv6        0x00000080      /* can do IPv6/TCP checksums */
   #define IFCAP_CSUM_UDPv6        0x00000100      /* can do IPv6/UDP checksums */
   #define IFCAP_TSO               0x00004000      /* TCP segment offloading */
   #define IFCAP_WOL               0x00008000      /* can do wake on lan */
   
   #define IFCAP_CSUM_MASK         (IFCAP_CSUM_IPv4 | IFCAP_CSUM_TCPv4 | \
       IFCAP_CSUM_UDPv4 | IFCAP_CSUM_TCPv6 | IFCAP_CSUM_UDPv6)
   
   /* symbolic names for terminal (per-protocol) CTL_IFQ_ nodes */
   #define IFQCTL_LEN 1
   #define IFQCTL_MAXLEN 2
   #define IFQCTL_DROPS 3
   #define IFQCTL_CONGESTION 4
   #define IFQCTL_MAXID 5
   
   /* sysctl for ifq (per-protocol packet input queue variant of ifqueue) */
   #define CTL_IFQ_NAMES  { \
           { 0, 0 }, \
           { "len", CTLTYPE_INT }, \
           { "maxlen", CTLTYPE_INT }, \
           { "drops", CTLTYPE_INT }, \
           { "congestion", CTLTYPE_INT }, \
   }
   
   /*
    * Message format for use in obtaining information about interfaces
    * from sysctl and the routing socket.
    */
   struct if_msghdr {
           u_short ifm_msglen;     /* to skip over non-understood messages */
           u_char  ifm_version;    /* future binary compatibility */
           u_char  ifm_type;       /* message type */
           u_short ifm_hdrlen;     /* sizeof(if_msghdr) to skip over the header */
           u_short ifm_index;      /* index for associated ifp */
           u_short ifm_tableid;    /* routing table id */
           u_char  ifm_pad1;
           u_char  ifm_pad2;
           int     ifm_addrs;      /* like rtm_addrs */
           int     ifm_flags;      /* value of if_flags */
           int     ifm_xflags;
           struct  if_data ifm_data;/* statistics and other data about if */
   };
   
   /*
    * Message format for use in obtaining information about interface addresses
    * from sysctl and the routing socket.
    */
   struct ifa_msghdr {
           u_short ifam_msglen;    /* to skip over non-understood messages */
           u_char  ifam_version;   /* future binary compatibility */
           u_char  ifam_type;      /* message type */
           u_short ifam_hdrlen;    /* sizeof(ifa_msghdr) to skip over the header */
           u_short ifam_index;     /* index for associated ifp */
           u_short ifam_tableid;   /* routing table id */
           u_char  ifam_pad1;
           u_char  ifam_pad2;
           int     ifam_addrs;     /* like rtm_addrs */
           int     ifam_flags;     /* value of ifa_flags */
           int     ifam_metric;    /* value of ifa_metric */
   };
   
   /*
    * Message format announcing the arrival or departure of a network interface.
    */
   struct if_announcemsghdr {
           u_short ifan_msglen;    /* to skip over non-understood messages */
           u_char  ifan_version;   /* future binary compatibility */
           u_char  ifan_type;      /* message type */
           u_short ifan_hdrlen;    /* sizeof(if_announcemsghdr) to skip header */
           u_short ifan_index;     /* index for associated ifp */
           u_short ifan_what;      /* what type of announcement */
           char    ifan_name[IFNAMSIZ];    /* if name, e.g. "en0" */
   };
   
   #define IFAN_ARRIVAL    0       /* interface arrival */
   #define IFAN_DEPARTURE  1       /* interface departure */
   
   /* message format used to pass 80211 interface info */
   struct if_ieee80211_data {
           uint8_t         ifie_channel;   /* IEEE80211_CHAN_MAX  == 255 */
           uint8_t         ifie_nwid_len;
           uint32_t        ifie_flags;     /* ieee80211com.ic_flags */
           uint32_t        ifie_xflags;    /* ieee80211com.ic xflags */
           uint8_t         ifie_nwid[32];  /* IEEE80211_NWID_LEN */
           uint8_t         ifie_addr[6];   /* IEEE80211_ADDR_LEN */
   };
   
   struct if_ieee80211_msghdr {
           uint16_t        ifim_msglen;
           uint8_t         ifim_version;
           uint8_t         ifim_type;
           uint16_t        ifim_hdrlen;
           uint16_t        ifim_index;
           uint16_t        ifim_tableid;
   
           struct if_ieee80211_data        ifim_ifie;
   };
   
   /* message format used to pass interface name to index mappings */
   struct if_nameindex_msg {
           unsigned int    if_index;
           char            if_name[IFNAMSIZ];
   };
   
   /*
    * interface groups
    */
   
   #define IFG_ALL         "all"           /* group contains all interfaces */
   #define IFG_EGRESS      "egress"        /* if(s) default route(s) point to */
   
   struct ifg_req {
           union {
                   char                     ifgrqu_group[IFNAMSIZ];
                   char                     ifgrqu_member[IFNAMSIZ];
           } ifgrq_ifgrqu;
   #define ifgrq_group     ifgrq_ifgrqu.ifgrqu_group
   #define ifgrq_member    ifgrq_ifgrqu.ifgrqu_member
   };
   
   struct ifg_attrib {
           int     ifg_carp_demoted;
   };
   
   /*
    * Used to lookup groups for an interface
    */
   struct ifgroupreq {
           char    ifgr_name[IFNAMSIZ];
           u_int   ifgr_len;
           union {
                   char                     ifgru_group[IFNAMSIZ];
                   struct  ifg_req         *ifgru_groups;
                   struct  ifg_attrib       ifgru_attrib;
           } ifgr_ifgru;
   #define ifgr_group      ifgr_ifgru.ifgru_group
   #define ifgr_groups     ifgr_ifgru.ifgru_groups
   #define ifgr_attrib     ifgr_ifgru.ifgru_attrib
   };
   
   /*
    * Interface request structure used for socket
    * ioctl's.  All interface ioctl's must have parameter
    * definitions which begin with ifr_name.  The
    * remainder may be interface specific.
    */
   struct  ifreq {
           char    ifr_name[IFNAMSIZ];             /* if name, e.g. "en0" */
           union {
                   struct  sockaddr        ifru_addr;
                   struct  sockaddr        ifru_dstaddr;
                   struct  sockaddr        ifru_broadaddr;
                   short                   ifru_flags;
                   int                     ifru_metric;
                   int64_t                 ifru_vnetid;
                   uint64_t                ifru_media;
                   caddr_t                 ifru_data;
                   unsigned int            ifru_index;
           } ifr_ifru;
   #define ifr_addr        ifr_ifru.ifru_addr      /* address */
   #define ifr_dstaddr     ifr_ifru.ifru_dstaddr   /* other end of p-to-p link */
   #define ifr_broadaddr   ifr_ifru.ifru_broadaddr /* broadcast address */
   #define ifr_flags       ifr_ifru.ifru_flags     /* flags */
   #define ifr_metric      ifr_ifru.ifru_metric    /* metric */
   #define ifr_mtu         ifr_ifru.ifru_metric    /* mtu (overload) */
   #define ifr_hardmtu     ifr_ifru.ifru_metric    /* hardmtu (overload) */
   #define ifr_media       ifr_ifru.ifru_media     /* media options */
   #define ifr_rdomainid   ifr_ifru.ifru_metric    /* VRF instance (overload) */
   #define ifr_vnetid      ifr_ifru.ifru_vnetid    /* Virtual Net Id */
   #define ifr_ttl         ifr_ifru.ifru_metric    /* tunnel TTL (overload) */
   #define ifr_df          ifr_ifru.ifru_metric    /* tunnel DF (overload) */
   #define ifr_data        ifr_ifru.ifru_data      /* for use by interface */
   #define ifr_index       ifr_ifru.ifru_index     /* interface index */
   #define ifr_llprio      ifr_ifru.ifru_metric    /* link layer priority */
   #define ifr_hdrprio     ifr_ifru.ifru_metric    /* header prio field config */
   #define ifr_pwe3        ifr_ifru.ifru_metric    /* PWE3 type */
   };
   
   #define IF_HDRPRIO_MIN          IFQ_MINPRIO
   #define IF_HDRPRIO_MAX          IFQ_MAXPRIO
   #define IF_HDRPRIO_PACKET       -1      /* use mbuf prio */
   #define IF_HDRPRIO_PAYLOAD      -2      /* copy payload prio */
   #define IF_HDRPRIO_OUTER        -3      /* use outer prio */
   
   #define IF_PWE3_ETHERNET        1       /* ethernet or ethernet tagged */
   #define IF_PWE3_IP              2       /* IP layer 2 */
   
   struct ifaliasreq {
           char    ifra_name[IFNAMSIZ];            /* if name, e.g. "en0" */
           union {
                   struct  sockaddr ifrau_addr;
                   int     ifrau_align;
            } ifra_ifrau;
   #ifndef ifra_addr
   #define ifra_addr       ifra_ifrau.ifrau_addr
   #endif
           struct  sockaddr ifra_dstaddr;
   #define ifra_broadaddr  ifra_dstaddr
           struct  sockaddr ifra_mask;
   };
   
   struct ifmediareq {
           char            ifm_name[IFNAMSIZ];     /* if name, e.g. "en0" */
           uint64_t        ifm_current;            /* get/set current media options */
           uint64_t        ifm_mask;               /* don't care mask */
           uint64_t        ifm_status;             /* media status */
           uint64_t        ifm_active;             /* active options */
           int             ifm_count;              /* # entries in ifm_ulist array */
           uint64_t        *ifm_ulist;             /* media words */
   };
   
   struct ifkalivereq {
           char    ikar_name[IFNAMSIZ];            /* if name, e.g. "en0" */
           int     ikar_timeo;
           int     ikar_cnt;
   };
   
   /*
    * Structure used in SIOCGIFCONF request.
    * Used to retrieve interface configuration
    * for machine (useful for programs which
    * must know all networks accessible).
    */
   struct  ifconf {
           int     ifc_len;                /* size of associated buffer */
           union {
                   caddr_t ifcu_buf;
                   struct  ifreq *ifcu_req;
           } ifc_ifcu;
   #define ifc_buf ifc_ifcu.ifcu_buf       /* buffer address */
   #define ifc_req ifc_ifcu.ifcu_req       /* array of structures returned */
   };
   
   /*
    * Structure for SIOC[AGD]LIFADDR
    */
   struct if_laddrreq {
           char iflr_name[IFNAMSIZ];
           unsigned int flags;
   #define IFLR_PREFIX     0x8000  /* in: prefix given  out: kernel fills id */
           unsigned int prefixlen;         /* in/out */
           struct sockaddr_storage addr;   /* in/out */
           struct sockaddr_storage dstaddr; /* out */
   };
   
   /* SIOCIFAFDETACH */
   struct if_afreq {
           char            ifar_name[IFNAMSIZ];
           sa_family_t     ifar_af;
   };
   
   /* SIOC[SG]IFPARENT */
   struct if_parent {
           char            ifp_name[IFNAMSIZ];
           char            ifp_parent[IFNAMSIZ];
   };
   
   /* SIOCGIFSFFPAGE */
   
   #define IFSFF_ADDR_EEPROM       0xa0
   #define IFSFF_ADDR_DDM          0xa2
   
   #define IFSFF_DATA_LEN          256
   
   struct if_sffpage {
           char             sff_ifname[IFNAMSIZ];          /* u -> k */
           uint8_t          sff_addr;                      /* u -> k */
           uint8_t          sff_page;                      /* u -> k */
           uint8_t          sff_data[IFSFF_DATA_LEN];      /* k -> u */
   };
   
   #include <net/if_arp.h>
   
   #ifdef _KERNEL
   struct socket;
   struct ifnet;
   struct ifq_ops;
   
   void    if_alloc_sadl(struct ifnet *);
   void    if_free_sadl(struct ifnet *);
   void    if_attach(struct ifnet *);
   void    if_attach_queues(struct ifnet *, unsigned int);
   void    if_attach_iqueues(struct ifnet *, unsigned int);
   void    if_attach_ifq(struct ifnet *, const struct ifq_ops *, void *);
   void    if_attachhead(struct ifnet *);
   void    if_deactivate(struct ifnet *);
   void    if_detach(struct ifnet *);
   void    if_down(struct ifnet *);
   void    if_downall(void);
   void    if_link_state_change(struct ifnet *);
   void    if_up(struct ifnet *);
   void    if_getdata(struct ifnet *, struct if_data *);
   void    ifinit(void);
   int     ifioctl(struct socket *, u_long, caddr_t, struct proc *);
   int     ifpromisc(struct ifnet *, int);
   struct  ifg_group *if_creategroup(const char *);
   int     if_addgroup(struct ifnet *, const char *);
   int     if_delgroup(struct ifnet *, const char *);
   void    if_group_routechange(struct sockaddr *, struct sockaddr *);
   struct  ifnet *if_unit(const char *);
   struct  ifnet *if_get(unsigned int);
   void    if_put(struct ifnet *);
   void    ifnewlladdr(struct ifnet *);
   void    if_congestion(void);
   int     if_congested(void);
   __dead void     unhandled_af(int);
   int     if_setlladdr(struct ifnet *, const uint8_t *);
   struct taskq * net_tq(unsigned int);
   
   #endif /* _KERNEL */
   
   #endif /* __BSD_VISIBLE */
   
   #endif /* _NET_IF_H_ */

Cache object: e759dbfbcf3a91d26c2543cd4ab6a304