FreeBSD/Linux Kernel Cross Reference
sys/netlink/route/interface.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2022 Alexander V. Chernikov <melifaro@FreeBSD.org>
      *
      * 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.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
     */
    
    /*
     * Interface-related (RTM_<NEW|DEL|GET|SET>LINK) message header and attributes.
     */
    
    #ifndef _NETLINK_ROUTE_INTERFACE_H_
    #define _NETLINK_ROUTE_INTERFACE_H_
    
    /* Base header for all of the relevant messages */
    struct ifinfomsg {
            unsigned char   ifi_family;     /* not used */
            unsigned char   __ifi_pad;
            unsigned short  ifi_type;       /* ARPHRD_* */
            int             ifi_index;      /* Inteface index */
            unsigned        ifi_flags;      /* IFF_* flags */
            unsigned        ifi_change;     /* IFF_* change mask */
    };
    
    /* Linux-specific link-level state flag */
    #define IFF_LOWER_UP    IFF_NETLINK_1
    
    #ifndef _KERNEL
    /* Compatilbility helpers */
    #define _IFINFO_HDRLEN          ((int)sizeof(struct ifinfomsg))
    #define IFLA_RTA(_ifi)          ((struct rtattr *)NL_ITEM_DATA(_ifi, _IFINFO_HDRLEN))
    #define IFLA_PAYLOAD(_ifi)      NLMSG_PAYLOAD(_ifi, _IFINFO_HDRLEN)
    #endif
    
    enum {
            IFLA_UNSPEC     = 0,
            IFLA_ADDRESS    = 1,    /* binary: Link-level address (MAC) */
    #define IFLA_ADDRESS IFLA_ADDRESS
            IFLA_BROADCAST  = 2,    /* binary: link-level broadcast address */
    #define IFLA_BROADCAST IFLA_BROADCAST
            IFLA_IFNAME     = 3,    /* string: Interface name */
    #define IFLA_IFNAME IFLA_IFNAME
            IFLA_MTU        = 4,    /* u32: Current interface L3 mtu */
    #define IFLA_MTU IFLA_MTU
            IFLA_LINK       = 5,    /* u32: interface index */
    #define IFLA_LINK IFLA_LINK
            IFLA_QDISC      = 6,    /* string: Queing policy (not supported) */
    #define IFLA_QDISC IFLA_QDISC
            IFLA_STATS      = 7,    /* Interface counters */
    #define IFLA_STATS IFLA_STATS
            IFLA_COST       = 8,    /* not supported */
    #define IFLA_COST IFLA_COST
            IFLA_PRIORITY   = 9,    /* not supported */
    #define IFLA_PRIORITY IFLA_PRIORITY
            IFLA_MASTER     = 10,   /* u32: parent interface ifindex */
    #define IFLA_MASTER IFLA_MASTER
            IFLA_WIRELESS   = 11,   /* not supported */
    #define IFLA_WIRELESS IFLA_WIRELESS
            IFLA_PROTINFO   = 12,   /* protocol-specific data */
    #define IFLA_PROTINFO IFLA_PROTINFO
            IFLA_TXQLEN     = 13,   /* u32: transmit queue length */
    #define IFLA_TXQLEN IFLA_TXQLEN
            IFLA_MAP        = 14,   /* not supported */
    #define IFLA_MAP IFLA_MAP
            IFLA_WEIGHT     = 15,   /* not supported */
    #define IFLA_WEIGHT IFLA_WEIGHT
            IFLA_OPERSTATE  = 16,   /* u8: ifOperStatus per RFC 2863 */
    #define IFLA_OPERSTATE IFLA_OPERSTATE
            IFLA_LINKMODE   = 17,   /* u8: ifmedia (not supported) */
    #define IFLA_LINKMODE IFLA_LINKMODE
            IFLA_LINKINFO   = 18,   /* nested: IFLA_INFO_ */
    #define IFLA_LINKINFO IFLA_LINKINFO
            IFLA_NET_NS_PID = 19,   /* u32: vnet id (not supported) */
    #define IFLA_NET_NS_PID IFLA_NET_NS_PID
            IFLA_IFALIAS    = 20,   /* string: interface description */
    #define IFLA_IFALIAS IFLA_IFALIAS
            IFLA_NUM_VF     = 21,   /* not supported */
    #define IFLA_NUM_VF IFLA_NUM_VF
            IFLA_VFINFO_LIST= 22,   /* not supported */
   #define IFLA_VFINFO_LIST IFLA_VFINFO_LIST
           IFLA_STATS64    = 23,   /* rtnl_link_stats64: iface stats */
   #define IFLA_STATS64 IFLA_STATS64
           IFLA_VF_PORTS,
           IFLA_PORT_SELF,
           IFLA_AF_SPEC,
           IFLA_GROUP, /* Group the device belongs to */
           IFLA_NET_NS_FD,
           IFLA_EXT_MASK,    /* Extended info mask, VFs, etc */
           IFLA_PROMISCUITY, /* Promiscuity count: > 0 means acts PROMISC */
   #define IFLA_PROMISCUITY IFLA_PROMISCUITY
           IFLA_NUM_TX_QUEUES,
           IFLA_NUM_RX_QUEUES,
           IFLA_CARRIER,
           IFLA_PHYS_PORT_ID,
           IFLA_CARRIER_CHANGES,
           IFLA_PHYS_SWITCH_ID,
           IFLA_LINK_NETNSID,
           IFLA_PHYS_PORT_NAME,
           IFLA_PROTO_DOWN,
           IFLA_GSO_MAX_SEGS,
           IFLA_GSO_MAX_SIZE,
           IFLA_PAD,
           IFLA_XDP,
           IFLA_EVENT,
           IFLA_NEW_NETNSID,
           IFLA_IF_NETNSID,
           IFLA_TARGET_NETNSID = IFLA_IF_NETNSID, /* new alias */
           IFLA_CARRIER_UP_COUNT,
           IFLA_CARRIER_DOWN_COUNT,
           IFLA_NEW_IFINDEX,
           IFLA_MIN_MTU,
           IFLA_MAX_MTU,
           IFLA_PROP_LIST,
           IFLA_ALT_IFNAME, /* Alternative ifname */
           IFLA_PERM_ADDRESS,
           IFLA_PROTO_DOWN_REASON,
           __IFLA_MAX
   };
   #define IFLA_MAX (__IFLA_MAX - 1)
   
   /*
    * Attributes that can be used as filters:
    *  IFLA_IFNAME, IFLA_GROUP, IFLA_ALT_IFNAME
    * Headers that can be used as filters:
    *  ifi_index, ifi_type
    */
   
   /*
    * IFLA_OPERSTATE.
    * The values below represent the possible
    * states of ifOperStatus defined by RFC 2863
    */
   enum {
           IF_OPER_UNKNOWN         = 0, /* status can not be determined */
           IF_OPER_NOTPRESENT      = 1, /* some (hardware) component not present */
           IF_OPER_DOWN            = 2, /* down */
           IF_OPER_LOWERLAYERDOWN  = 3, /* some lower-level interface is down */
           IF_OPER_TESTING         = 4, /* in some test mode */
           IF_OPER_DORMANT         = 5, /* "up" but waiting for some condition (802.1X) */
           IF_OPER_UP              = 6, /* ready to pass packets */
   };
   
   /* IFLA_STATS */
   struct rtnl_link_stats {
           uint32_t rx_packets;    /* total RX packets (IFCOUNTER_IPACKETS) */
           uint32_t tx_packets;    /* total TX packets (IFCOUNTER_OPACKETS) */
           uint32_t rx_bytes;      /* total RX bytes (IFCOUNTER_IBYTES) */
           uint32_t tx_bytes;      /* total TX bytes (IFCOUNTER_OBYTES) */
           uint32_t rx_errors;     /* RX errors (IFCOUNTER_IERRORS) */
           uint32_t tx_errors;     /* RX errors (IFCOUNTER_OERRORS) */
           uint32_t rx_dropped;    /* RX drop (no space in ring/no bufs) (IFCOUNTER_IQDROPS) */
           uint32_t tx_dropped;    /* TX drop (IFCOUNTER_OQDROPS) */
           uint32_t multicast;     /* RX multicast packets (IFCOUNTER_IMCASTS) */
           uint32_t collisions;    /* not supported */
           uint32_t rx_length_errors;      /* not supported */
           uint32_t rx_over_errors;        /* not supported */
           uint32_t rx_crc_errors;         /* not supported */
           uint32_t rx_frame_errors;       /* not supported */
           uint32_t rx_fifo_errors;        /* not supported */
           uint32_t rx_missed_errors;      /* not supported */
           uint32_t tx_aborted_errors;     /* not supported */
           uint32_t tx_carrier_errors;     /* not supported */
           uint32_t tx_fifo_errors;        /* not supported */
           uint32_t tx_heartbeat_errors;   /* not supported */
           uint32_t tx_window_errors;      /* not supported */
           uint32_t rx_compressed;         /* not supported */
           uint32_t tx_compressed;         /* not supported */
           uint32_t rx_nohandler;  /* dropped due to no proto handler (IFCOUNTER_NOPROTO) */
   };
   
   /* IFLA_STATS64 */
   struct rtnl_link_stats64 {
           uint64_t rx_packets;    /* total RX packets (IFCOUNTER_IPACKETS) */
           uint64_t tx_packets;    /* total TX packets (IFCOUNTER_OPACKETS) */
           uint64_t rx_bytes;      /* total RX bytes (IFCOUNTER_IBYTES) */
           uint64_t tx_bytes;      /* total TX bytes (IFCOUNTER_OBYTES) */
           uint64_t rx_errors;     /* RX errors (IFCOUNTER_IERRORS) */
           uint64_t tx_errors;     /* RX errors (IFCOUNTER_OERRORS) */
           uint64_t rx_dropped;    /* RX drop (no space in ring/no bufs) (IFCOUNTER_IQDROPS) */
           uint64_t tx_dropped;    /* TX drop (IFCOUNTER_OQDROPS) */
           uint64_t multicast;     /* RX multicast packets (IFCOUNTER_IMCASTS) */
           uint64_t collisions;    /* not supported */
           uint64_t rx_length_errors;      /* not supported */
           uint64_t rx_over_errors;        /* not supported */
           uint64_t rx_crc_errors;         /* not supported */
           uint64_t rx_frame_errors;       /* not supported */
           uint64_t rx_fifo_errors;        /* not supported */
           uint64_t rx_missed_errors;      /* not supported */
           uint64_t tx_aborted_errors;     /* not supported */
           uint64_t tx_carrier_errors;     /* not supported */
           uint64_t tx_fifo_errors;        /* not supported */
           uint64_t tx_heartbeat_errors;   /* not supported */
           uint64_t tx_window_errors;      /* not supported */
           uint64_t rx_compressed;         /* not supported */
           uint64_t tx_compressed;         /* not supported */
           uint64_t rx_nohandler;  /* dropped due to no proto handler (IFCOUNTER_NOPROTO) */
   };
   
   /* IFLA_LINKINFO child nlattr types */
   enum {
           IFLA_INFO_UNSPEC,
           IFLA_INFO_KIND          = 1, /* string, link type ("vlan") */
           IFLA_INFO_DATA          = 2, /* Per-link-type custom data */
           IFLA_INFO_XSTATS        = 3,
           IFLA_INFO_SLAVE_KIND    = 4,
           IFLA_INFO_SLAVE_DATA    = 5,
           __IFLA_INFO_MAX,
   };
   #define IFLA_INFO_MAX   (__IFLA_INFO_MAX - 1)
   
   /* IFLA_INFO_DATA vlan attributes */
   enum {
           IFLA_VLAN_UNSPEC,
           IFLA_VLAN_ID,
           IFLA_VLAN_FLAGS,
           IFLA_VLAN_EGRESS_QOS,
           IFLA_VLAN_INGRESS_QOS,
           IFLA_VLAN_PROTOCOL,
           __IFLA_VLAN_MAX,
   };
   
   #define IFLA_VLAN_MAX   (__IFLA_VLAN_MAX - 1)
   struct ifla_vlan_flags {
           uint32_t flags;
           uint32_t mask;
   };
   
   #endif

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