include/uapi/linux/packet_diag.h

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

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/packet_diag.h
Extension
.h
Size
1672 bytes
Lines
82
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct packet_diag_req {
	__u8	sdiag_family;
	__u8	sdiag_protocol;
	__u16	pad;
	__u32	pdiag_ino;
	__u32	pdiag_show;
	__u32	pdiag_cookie[2];
};

#define PACKET_SHOW_INFO	0x00000001 /* Basic packet_sk information */
#define PACKET_SHOW_MCLIST	0x00000002 /* A set of packet_diag_mclist-s */
#define PACKET_SHOW_RING_CFG	0x00000004 /* Rings configuration parameters */
#define PACKET_SHOW_FANOUT	0x00000008
#define PACKET_SHOW_MEMINFO	0x00000010
#define PACKET_SHOW_FILTER	0x00000020

struct packet_diag_msg {
	__u8	pdiag_family;
	__u8	pdiag_type;
	__u16	pdiag_num;

	__u32	pdiag_ino;
	__u32	pdiag_cookie[2];
};

enum {
	/* PACKET_DIAG_NONE, standard nl API requires this attribute!  */
	PACKET_DIAG_INFO,
	PACKET_DIAG_MCLIST,
	PACKET_DIAG_RX_RING,
	PACKET_DIAG_TX_RING,
	PACKET_DIAG_FANOUT,
	PACKET_DIAG_UID,
	PACKET_DIAG_MEMINFO,
	PACKET_DIAG_FILTER,

	__PACKET_DIAG_MAX,
};

#define PACKET_DIAG_MAX (__PACKET_DIAG_MAX - 1)

struct packet_diag_info {
	__u32	pdi_index;
	__u32	pdi_version;
	__u32	pdi_reserve;
	__u32	pdi_copy_thresh;
	__u32	pdi_tstamp;
	__u32	pdi_flags;

#define PDI_RUNNING	0x1
#define PDI_AUXDATA	0x2
#define PDI_ORIGDEV	0x4
#define PDI_VNETHDR	0x8
#define PDI_LOSS	0x10
};

struct packet_diag_mclist {
	__u32	pdmc_index;
	__u32	pdmc_count;
	__u16	pdmc_type;
	__u16	pdmc_alen;
	__u8	pdmc_addr[32]; /* MAX_ADDR_LEN */
};

struct packet_diag_ring {
	__u32	pdr_block_size;
	__u32	pdr_block_nr;
	__u32	pdr_frame_size;
	__u32	pdr_frame_nr;
	__u32	pdr_retire_tmo;
	__u32	pdr_sizeof_priv;
	__u32	pdr_features;
};

#endif

Annotation

Implementation Notes