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Linux kernel mirror (for testing)
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1/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
2/*
3 * xdp_diag: interface for query/monitor XDP sockets
4 * Copyright(c) 2019 Intel Corporation.
5 */
6
7#ifndef _LINUX_XDP_DIAG_H
8#define _LINUX_XDP_DIAG_H
9
10#include <linux/types.h>
11
12struct xdp_diag_req {
13 __u8 sdiag_family;
14 __u8 sdiag_protocol;
15 __u16 pad;
16 __u32 xdiag_ino;
17 __u32 xdiag_show;
18 __u32 xdiag_cookie[2];
19};
20
21struct xdp_diag_msg {
22 __u8 xdiag_family;
23 __u8 xdiag_type;
24 __u16 pad;
25 __u32 xdiag_ino;
26 __u32 xdiag_cookie[2];
27};
28
29#define XDP_SHOW_INFO (1 << 0) /* Basic information */
30#define XDP_SHOW_RING_CFG (1 << 1)
31#define XDP_SHOW_UMEM (1 << 2)
32#define XDP_SHOW_MEMINFO (1 << 3)
33
34enum {
35 XDP_DIAG_NONE,
36 XDP_DIAG_INFO,
37 XDP_DIAG_UID,
38 XDP_DIAG_RX_RING,
39 XDP_DIAG_TX_RING,
40 XDP_DIAG_UMEM,
41 XDP_DIAG_UMEM_FILL_RING,
42 XDP_DIAG_UMEM_COMPLETION_RING,
43 XDP_DIAG_MEMINFO,
44 __XDP_DIAG_MAX,
45};
46
47#define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1)
48
49struct xdp_diag_info {
50 __u32 ifindex;
51 __u32 queue_id;
52};
53
54struct xdp_diag_ring {
55 __u32 entries; /*num descs */
56};
57
58#define XDP_DU_F_ZEROCOPY (1 << 0)
59
60struct xdp_diag_umem {
61 __u64 size;
62 __u32 id;
63 __u32 num_pages;
64 __u32 chunk_size;
65 __u32 headroom;
66 __u32 ifindex;
67 __u32 queue_id;
68 __u32 flags;
69 __u32 refs;
70};
71
72#endif /* _LINUX_XDP_DIAG_H */