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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 | |
| 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) |
| 33 | #define XDP_SHOW_STATS (1 << 4) |
| 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, |
| 45 | XDP_DIAG_STATS, |
| 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 | |
| 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 | |
| 83 | #endif /* _LINUX_XDP_DIAG_H */ |
| 84 |
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