diff options
| -rw-r--r-- | include/uapi/linux/if.h | 213 |
1 files changed, 161 insertions, 52 deletions
diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h index d758163b0e43..42ec87994cf6 100644 --- a/include/uapi/linux/if.h +++ b/include/uapi/linux/if.h @@ -27,64 +27,173 @@ #define IFALIASZ 256 #include <linux/hdlc/ioctl.h> -/* Standard interface flags (netdevice->flags). */ -#define IFF_UP 0x1 /* interface is up */ -#define IFF_BROADCAST 0x2 /* broadcast address valid */ -#define IFF_DEBUG 0x4 /* turn on debugging */ -#define IFF_LOOPBACK 0x8 /* is a loopback net */ -#define IFF_POINTOPOINT 0x10 /* interface is has p-p link */ -#define IFF_NOTRAILERS 0x20 /* avoid use of trailers */ -#define IFF_RUNNING 0x40 /* interface RFC2863 OPER_UP */ -#define IFF_NOARP 0x80 /* no ARP protocol */ -#define IFF_PROMISC 0x100 /* receive all packets */ -#define IFF_ALLMULTI 0x200 /* receive all multicast packets*/ - -#define IFF_MASTER 0x400 /* master of a load balancer */ -#define IFF_SLAVE 0x800 /* slave of a load balancer */ - -#define IFF_MULTICAST 0x1000 /* Supports multicast */ - -#define IFF_PORTSEL 0x2000 /* can set media type */ -#define IFF_AUTOMEDIA 0x4000 /* auto media select active */ -#define IFF_DYNAMIC 0x8000 /* dialup device with changing addresses*/ - -#define IFF_LOWER_UP 0x10000 /* driver signals L1 up */ -#define IFF_DORMANT 0x20000 /* driver signals dormant */ +/** + * enum net_device_flags - &struct net_device flags + * + * These are the &struct net_device flags, they can be set by drivers, the + * kernel and some can be triggered by userspace. Userspace can query and + * set these flags using userspace utilities but there is also a sysfs + * entry available for all dev flags which can be queried and set. These flags + * are shared for all types of net_devices. The sysfs entries are available + * via /sys/class/net/<dev>/flags. Flags which can be toggled through sysfs + * are annotated below, note that only a few flags can be toggled and some + * other flags are always always preserved from the original net_device flags + * even if you try to set them via sysfs. Flags which are always preserved + * are kept under the flag grouping @IFF_VOLATILE. Flags which are volatile + * are annotated below as such. + * + * You should have a pretty good reason to be extending these flags. + * + * @IFF_UP: interface is up. Can be toggled through sysfs. + * @IFF_BROADCAST: broadcast address valid. Volatile. + * @IFF_DEBUG: turn on debugging. Can be toggled through sysfs. + * @IFF_LOOPBACK: is a loopback net. Volatile. + * @IFF_POINTOPOINT: interface is has p-p link. Volatile. + * @IFF_NOTRAILERS: avoid use of trailers. Can be toggled through sysfs. + * Volatile. + * @IFF_RUNNING: interface RFC2863 OPER_UP. Volatile. + * @IFF_NOARP: no ARP protocol. Can be toggled through sysfs. Volatile. + * @IFF_PROMISC: receive all packets. Can be toggled through sysfs. + * @IFF_ALLMULTI: receive all multicast packets. Can be toggled through + * sysfs. + * @IFF_MASTER: master of a load balancer. Volatile. + * @IFF_SLAVE: slave of a load balancer. Volatile. + * @IFF_MULTICAST: Supports multicast. Can be toggled through sysfs. + * @IFF_PORTSEL: can set media type. Can be toggled through sysfs. + * @IFF_AUTOMEDIA: auto media select active. Can be toggled through sysfs. + * @IFF_DYNAMIC: dialup device with changing addresses. Can be toggled + * through sysfs. + * @IFF_LOWER_UP: driver signals L1 up. Volatile. + * @IFF_DORMANT: driver signals dormant. Volatile. + * @IFF_ECHO: echo sent packets. Volatile. + */ +enum net_device_flags { + IFF_UP = 1<<0, /* sysfs */ + IFF_BROADCAST = 1<<1, /* volatile */ + IFF_DEBUG = 1<<2, /* sysfs */ + IFF_LOOPBACK = 1<<3, /* volatile */ + IFF_POINTOPOINT = 1<<4, /* volatile */ + IFF_NOTRAILERS = 1<<5, /* sysfs */ + IFF_RUNNING = 1<<6, /* volatile */ + IFF_NOARP = 1<<7, /* sysfs */ + IFF_PROMISC = 1<<8, /* sysfs */ + IFF_ALLMULTI = 1<<9, /* sysfs */ + IFF_MASTER = 1<<10, /* volatile */ + IFF_SLAVE = 1<<11, /* volatile */ + IFF_MULTICAST = 1<<12, /* sysfs */ + IFF_PORTSEL = 1<<13, /* sysfs */ + IFF_AUTOMEDIA = 1<<14, /* sysfs */ + IFF_DYNAMIC = 1<<15, /* sysfs */ + IFF_LOWER_UP = 1<<16, /* volatile */ + IFF_DORMANT = 1<<17, /* volatile */ + IFF_ECHO = 1<<18, /* volatile */ +}; -#define IFF_ECHO 0x40000 /* echo sent packets */ +#define IFF_UP IFF_UP +#define IFF_BROADCAST IFF_BROADCAST +#define IFF_DEBUG IFF_DEBUG +#define IFF_LOOPBACK IFF_LOOPBACK +#define IFF_POINTOPOINT IFF_POINTOPOINT +#define IFF_NOTRAILERS IFF_NOTRAILERS +#define IFF_RUNNING IFF_RUNNING +#define IFF_NOARP IFF_NOARP +#define IFF_PROMISC IFF_PROMISC +#define IFF_ALLMULTI IFF_ALLMULTI +#define IFF_MASTER IFF_MASTER +#define IFF_SLAVE IFF_SLAVE +#define IFF_MULTICAST IFF_MULTICAST +#define IFF_PORTSEL IFF_PORTSEL +#define IFF_AUTOMEDIA IFF_AUTOMEDIA +#define IFF_DYNAMIC IFF_DYNAMIC +#define IFF_LOWER_UP IFF_LOWER_UP +#define IFF_DORMANT IFF_DORMANT +#define IFF_ECHO IFF_ECHO #define IFF_VOLATILE (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_BROADCAST|IFF_ECHO|\ IFF_MASTER|IFF_SLAVE|IFF_RUNNING|IFF_LOWER_UP|IFF_DORMANT) -/* Private (from user) interface flags (netdevice->priv_flags). */ -#define IFF_802_1Q_VLAN 0x1 /* 802.1Q VLAN device. */ -#define IFF_EBRIDGE 0x2 /* Ethernet bridging device. */ -#define IFF_SLAVE_INACTIVE 0x4 /* bonding slave not the curr. active */ -#define IFF_MASTER_8023AD 0x8 /* bonding master, 802.3ad. */ -#define IFF_MASTER_ALB 0x10 /* bonding master, balance-alb. */ -#define IFF_BONDING 0x20 /* bonding master or slave */ -#define IFF_SLAVE_NEEDARP 0x40 /* need ARPs for validation */ -#define IFF_ISATAP 0x80 /* ISATAP interface (RFC4214) */ -#define IFF_MASTER_ARPMON 0x100 /* bonding master, ARP mon in use */ -#define IFF_WAN_HDLC 0x200 /* WAN HDLC device */ -#define IFF_XMIT_DST_RELEASE 0x400 /* dev_hard_start_xmit() is allowed to - * release skb->dst - */ -#define IFF_DONT_BRIDGE 0x800 /* disallow bridging this ether dev */ -#define IFF_DISABLE_NETPOLL 0x1000 /* disable netpoll at run-time */ -#define IFF_MACVLAN_PORT 0x2000 /* device used as macvlan port */ -#define IFF_BRIDGE_PORT 0x4000 /* device used as bridge port */ -#define IFF_OVS_DATAPATH 0x8000 /* device used as Open vSwitch - * datapath port */ -#define IFF_TX_SKB_SHARING 0x10000 /* The interface supports sharing - * skbs on transmit */ -#define IFF_UNICAST_FLT 0x20000 /* Supports unicast filtering */ -#define IFF_TEAM_PORT 0x40000 /* device used as team port */ -#define IFF_SUPP_NOFCS 0x80000 /* device supports sending custom FCS */ -#define IFF_LIVE_ADDR_CHANGE 0x100000 /* device supports hardware address - * change when it's running */ -#define IFF_MACVLAN 0x200000 /* Macvlan device */ +/** + * enum net_device_priv_flags - &struct net_device priv_flags + * + * 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. + * + * @IFF_802_1Q_VLAN: 802.1Q VLAN device + * @IFF_EBRIDGE: Ethernet bridging device + * @IFF_SLAVE_INACTIVE: bonding slave not the curr. active + * @IFF_MASTER_8023AD: bonding master, 802.3ad + * @IFF_MASTER_ALB: bonding master, balance-alb + * @IFF_BONDING: bonding master or slave + * @IFF_SLAVE_NEEDARP: need ARPs for validation + * @IFF_ISATAP: ISATAP interface (RFC4214) + * @IFF_MASTER_ARPMON: bonding master, ARP mon in use + * @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 + */ +enum netdev_priv_flags { + IFF_802_1Q_VLAN = 1<<0, + IFF_EBRIDGE = 1<<1, + IFF_SLAVE_INACTIVE = 1<<2, + IFF_MASTER_8023AD = 1<<3, + IFF_MASTER_ALB = 1<<4, + IFF_BONDING = 1<<5, + IFF_SLAVE_NEEDARP = 1<<6, + IFF_ISATAP = 1<<7, + IFF_MASTER_ARPMON = 1<<8, + IFF_WAN_HDLC = 1<<9, + IFF_XMIT_DST_RELEASE = 1<<10, + IFF_DONT_BRIDGE = 1<<11, + IFF_DISABLE_NETPOLL = 1<<12, + IFF_MACVLAN_PORT = 1<<13, + IFF_BRIDGE_PORT = 1<<14, + IFF_OVS_DATAPATH = 1<<15, + IFF_TX_SKB_SHARING = 1<<16, + IFF_UNICAST_FLT = 1<<17, + IFF_TEAM_PORT = 1<<18, + IFF_SUPP_NOFCS = 1<<19, + IFF_LIVE_ADDR_CHANGE = 1<<20, + IFF_MACVLAN = 1<<21, +}; +#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN +#define IFF_EBRIDGE IFF_EBRIDGE +#define IFF_SLAVE_INACTIVE IFF_SLAVE_INACTIVE +#define IFF_MASTER_8023AD IFF_MASTER_8023AD +#define IFF_MASTER_ALB IFF_MASTER_ALB +#define IFF_BONDING IFF_BONDING +#define IFF_SLAVE_NEEDARP IFF_SLAVE_NEEDARP +#define IFF_ISATAP IFF_ISATAP +#define IFF_MASTER_ARPMON IFF_MASTER_ARPMON +#define IFF_WAN_HDLC IFF_WAN_HDLC +#define IFF_XMIT_DST_RELEASE IFF_XMIT_DST_RELEASE +#define IFF_DONT_BRIDGE IFF_DONT_BRIDGE +#define IFF_DISABLE_NETPOLL IFF_DISABLE_NETPOLL +#define IFF_MACVLAN_PORT IFF_MACVLAN_PORT +#define IFF_BRIDGE_PORT IFF_BRIDGE_PORT +#define IFF_OVS_DATAPATH IFF_OVS_DATAPATH +#define IFF_TX_SKB_SHARING IFF_TX_SKB_SHARING +#define IFF_UNICAST_FLT IFF_UNICAST_FLT +#define IFF_TEAM_PORT IFF_TEAM_PORT +#define IFF_SUPP_NOFCS IFF_SUPP_NOFCS +#define IFF_LIVE_ADDR_CHANGE IFF_LIVE_ADDR_CHANGE +#define IFF_MACVLAN IFF_MACVLAN #define IF_GET_IFACE 0x0001 /* for querying only */ #define IF_GET_PROTO 0x0002 |
