tools/include/uapi/linux/netdev.h

Source file repositories/reference/linux-study-clean/tools/include/uapi/linux/netdev.h

File Facts

System
Linux kernel
Corpus path
tools/include/uapi/linux/netdev.h
Extension
.h
Size
6849 bytes
Lines
253
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: implementation source
Status
source implementation candidate

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _UAPI_LINUX_NETDEV_H
#define _UAPI_LINUX_NETDEV_H

#define NETDEV_FAMILY_NAME	"netdev"
#define NETDEV_FAMILY_VERSION	1

/**
 * enum netdev_xdp_act
 * @NETDEV_XDP_ACT_BASIC: XDP features set supported by all drivers
 *   (XDP_ABORTED, XDP_DROP, XDP_PASS, XDP_TX)
 * @NETDEV_XDP_ACT_REDIRECT: The netdev supports XDP_REDIRECT
 * @NETDEV_XDP_ACT_NDO_XMIT: This feature informs if netdev implements
 *   ndo_xdp_xmit callback.
 * @NETDEV_XDP_ACT_XSK_ZEROCOPY: This feature informs if netdev supports AF_XDP
 *   in zero copy mode.
 * @NETDEV_XDP_ACT_HW_OFFLOAD: This feature informs if netdev supports XDP hw
 *   offloading.
 * @NETDEV_XDP_ACT_RX_SG: This feature informs if netdev implements non-linear
 *   XDP buffer support in the driver napi callback.
 * @NETDEV_XDP_ACT_NDO_XMIT_SG: This feature informs if netdev implements
 *   non-linear XDP buffer support in ndo_xdp_xmit callback.
 */
enum netdev_xdp_act {
	NETDEV_XDP_ACT_BASIC = 1,
	NETDEV_XDP_ACT_REDIRECT = 2,
	NETDEV_XDP_ACT_NDO_XMIT = 4,
	NETDEV_XDP_ACT_XSK_ZEROCOPY = 8,
	NETDEV_XDP_ACT_HW_OFFLOAD = 16,
	NETDEV_XDP_ACT_RX_SG = 32,
	NETDEV_XDP_ACT_NDO_XMIT_SG = 64,

	/* private: */
	NETDEV_XDP_ACT_MASK = 127,
};

/**
 * enum netdev_xdp_rx_metadata
 * @NETDEV_XDP_RX_METADATA_TIMESTAMP: Device is capable of exposing receive HW
 *   timestamp via bpf_xdp_metadata_rx_timestamp().
 * @NETDEV_XDP_RX_METADATA_HASH: Device is capable of exposing receive packet
 *   hash via bpf_xdp_metadata_rx_hash().
 * @NETDEV_XDP_RX_METADATA_VLAN_TAG: Device is capable of exposing receive
 *   packet VLAN tag via bpf_xdp_metadata_rx_vlan_tag().
 */
enum netdev_xdp_rx_metadata {
	NETDEV_XDP_RX_METADATA_TIMESTAMP = 1,
	NETDEV_XDP_RX_METADATA_HASH = 2,
	NETDEV_XDP_RX_METADATA_VLAN_TAG = 4,
};

/**
 * enum netdev_xsk_flags
 * @NETDEV_XSK_FLAGS_TX_TIMESTAMP: HW timestamping egress packets is supported
 *   by the driver.
 * @NETDEV_XSK_FLAGS_TX_CHECKSUM: L3 checksum HW offload is supported by the
 *   driver.
 * @NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO: Launch time HW offload is supported
 *   by the driver.
 */
enum netdev_xsk_flags {
	NETDEV_XSK_FLAGS_TX_TIMESTAMP = 1,
	NETDEV_XSK_FLAGS_TX_CHECKSUM = 2,
	NETDEV_XSK_FLAGS_TX_LAUNCH_TIME_FIFO = 4,
};

enum netdev_queue_type {
	NETDEV_QUEUE_TYPE_RX,
	NETDEV_QUEUE_TYPE_TX,
};

enum netdev_qstats_scope {
	NETDEV_QSTATS_SCOPE_QUEUE = 1,
};

enum netdev_napi_threaded {
	NETDEV_NAPI_THREADED_DISABLED,
	NETDEV_NAPI_THREADED_ENABLED,
	NETDEV_NAPI_THREADED_BUSY_POLL,
};

enum {
	NETDEV_A_DEV_IFINDEX = 1,
	NETDEV_A_DEV_PAD,
	NETDEV_A_DEV_XDP_FEATURES,
	NETDEV_A_DEV_XDP_ZC_MAX_SEGS,
	NETDEV_A_DEV_XDP_RX_METADATA_FEATURES,
	NETDEV_A_DEV_XSK_FEATURES,

	__NETDEV_A_DEV_MAX,
	NETDEV_A_DEV_MAX = (__NETDEV_A_DEV_MAX - 1)

Annotation

Implementation Notes