/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* xdp_diag: interface for query/monitor XDP sockets
* Copyright(c) 2019 Intel Corporation.
*/
#ifndef _LINUX_XDP_DIAG_H
#define _LINUX_XDP_DIAG_H
#include <linux/types.h>
struct xdp_diag_req {
__u8 sdiag_family;
__u8 sdiag_protocol;
__u16 pad;
__u32 xdiag_ino;
__u32 xdiag_show;
__u32 xdiag_cookie[2];
};
struct xdp_diag_msg {
__u8 xdiag_family;
__u8 xdiag_type;
__u16 pad;
__u32 xdiag_ino;
__u32 xdiag_cookie[2];
};
#define XDP_SHOW_INFO (1 << 0) /* Basic information */
#define XDP_SHOW_RING_CFG (1 << 1)
#define XDP_SHOW_UMEM (1 << 2)
#define XDP_SHOW_MEMINFO (1 << 3)
#define XDP_SHOW_STATS (1 << 4)
enum {
XDP_DIAG_NONE,
XDP_DIAG_INFO,
XDP_DIAG_UID,
XDP_DIAG_RX_RING,
XDP_DIAG_TX_RING,
XDP_DIAG_UMEM,
XDP_DIAG_UMEM_FILL_RING,
XDP_DIAG_UMEM_COMPLETION_RING,
XDP_DIAG_MEMINFO,
XDP_DIAG_STATS,
__XDP_DIAG_MAX,
};
#define XDP_DIAG_MAX (__XDP_DIAG_MAX - 1)
struct xdp_diag_info {
__u32 ifindex;
__u32 queue_id;
};
struct xdp_diag_ring {
__u32 entries; /*num descs */
};
#define XDP_DU_F_ZEROCOPY (1 << 0)
struct xdp_diag_umem {
__u64 size;
__u32 id;
__u32 num_pages;
__u32 chunk_size;
__u32 headroom;
__u32 ifindex;
__u32 queue_id;
__u32 flags;
__u32 refs;
};
struct xdp_diag_stats {
__u64 n_rx_dropped;
__u64 n_rx_invalid;
__u64 n_rx_full;
__u64 n_fill_ring_empty;
__u64 n_tx_invalid;
__u64 n_tx_ring_empty;
};
#endif /* _LINUX_XDP_DIAG_H */