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a36b38aa BT |
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 | ||
12 | struct 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 | ||
21 | struct 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) | |
0d80cb46 | 33 | #define XDP_SHOW_STATS (1 << 4) |
a36b38aa BT |
34 | |
35 | enum { | |
36 | XDP_DIAG_NONE, | |
37 | XDP_DIAG_INFO, | |
38 | XDP_DIAG_UID, | |
39 | XDP_DIAG_RX_RING, | |
40 | XDP_DIAG_TX_RING, | |
41 | XDP_DIAG_UMEM, | |
42 | XDP_DIAG_UMEM_FILL_RING, | |
43 | XDP_DIAG_UMEM_COMPLETION_RING, | |
44 | XDP_DIAG_MEMINFO, | |
0d80cb46 | 45 | XDP_DIAG_STATS, |
a36b38aa BT |
46 | __XDP_DIAG_MAX, |
47 | }; | |
48 | ||
49 | #define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1) | |
50 | ||
51 | struct xdp_diag_info { | |
52 | __u32 ifindex; | |
53 | __u32 queue_id; | |
54 | }; | |
55 | ||
56 | struct xdp_diag_ring { | |
57 | __u32 entries; /*num descs */ | |
58 | }; | |
59 | ||
60 | #define XDP_DU_F_ZEROCOPY (1 << 0) | |
61 | ||
62 | struct xdp_diag_umem { | |
63 | __u64 size; | |
64 | __u32 id; | |
65 | __u32 num_pages; | |
66 | __u32 chunk_size; | |
67 | __u32 headroom; | |
68 | __u32 ifindex; | |
69 | __u32 queue_id; | |
70 | __u32 flags; | |
71 | __u32 refs; | |
72 | }; | |
73 | ||
0d80cb46 CL |
74 | struct xdp_diag_stats { |
75 | __u64 n_rx_dropped; | |
76 | __u64 n_rx_invalid; | |
77 | __u64 n_rx_full; | |
78 | __u64 n_fill_ring_empty; | |
79 | __u64 n_tx_invalid; | |
80 | __u64 n_tx_ring_empty; | |
81 | }; | |
82 | ||
a36b38aa | 83 | #endif /* _LINUX_XDP_DIAG_H */ |