ENUM NETDEV_PRIV_FLA(9)

NAME
enum_netdev_priv_flags - struct net_device priv_flags

SYNOPSIS

enum netdev_priv_flags {
  IFF_802_1Q_VLAN,
  IFF_EBRIDGE,
  IFF_BONDING,
  IFF_ISATAP,
  IFF_WAN_HDLC,
  IFF_XMIT_DST_RELEASE,
  IFF_DONT_BRIDGE,
  IFF_DISABLE_NETPOLL,
  IFF_MACVLAN_PORT,
  IFF_BRIDGE_PORT,
  IFF_OVS_DATAPATH,
  IFF_TX_SKB_SHARING,
  IFF_UNICAST_FLT,
  IFF_TEAM_PORT,
  IFF_SUPP_NOFCS,
  IFF_LIVE_ADDR_CHANGE,
  IFF_MACVLAN,
  IFF_XMIT_DST_RELEASE_PERM,
  IFF_IPVLAN_MASTER,
  IFF_IPVLAN_SLAVE,
  IFF_L3MDEV_MASTER,
  IFF_NO_QUEUE,
  IFF_OPENVSWITCH,
  IFF_L3MDEV_SLAVE,
  IFF_TEAM,
  IFF_RXFH_CONFIGURED,
  IFF_PHONY_HEADROOM,
  IFF_MACSEC
};

CONSTANTS

IFF_802_1Q_VLAN
    802.1Q VLAN device

IFF_EBRIDGE
    Ethernet bridging device

IFF_BONDING
    bonding master or slave

IFF_ISATAP
    ISATAP interface (RFC4214)

IFF_WAN_HDLC
    WAN HDLC device

IFF_XMIT_DST_RELEASE
    dev_hard_start_xmit is allowed to release skb->dst

IFF_DONT_BRIDGE
    disallow bridging this ether dev

IFF_DISABLE_NETPOLL
    disable netpoll at run-time

IFF_MACVLAN_PORT
    device used as macvlan port

IFF_BRIDGE_PORT
    device used as bridge port

IFF_OVS_DATAPATH
    device used as Open vSwitch datapath port

IFF_TX_SKB_SHARING
    The interface supports sharing skbs on transmit

IFF_UNICAST_FLT
    Supports unicast filtering

IFF_TEAM_PORT
    device used as team port

IFF_SUPP_NOFCS
    device supports sending custom FCS

IFF_LIVE_ADDR_CHANGE
    device supports hardware address change when it's running

IFF_MACVLAN
    Macvlan device

IFF_XMIT_DST_RELEASE_PERM
    IFF_XMIT_DST_RELEASE not taking into account underlying stacked devices

IFF_IPVLAN_MASTER
    IPvlan master device

IFF_IPVLAN_SLAVE
    IPvlan slave device

IFF_L3MDEV_MASTER
    device is an L3 master device

IFF_NO_QUEUE
    device can run without qdisc attached

IFF_OPENVSWITCH
    device is a Open vSwitch master

IFF_L3MDEV_SLAVE
    device is enslaved to an L3 master device

IFF_TEAM
    device is a team device

IFF_RXFH_CONFIGURED
    device has had Rx Flow indirection table configured

IFF_PHONY_HEADROOM
    the headroom value is controlled by an external entity (i.e. the master device for bridged veth)

IFF_MACSEC
    device is a MACsec device

DESCRIPTION

These are the struct net_device, they are only set internally by drivers and used in the kernel. These flags are invisible to userspace; this means that the order of these flags can change during any kernel release.

You should have a pretty good reason to be extending these flags.

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