root/include/uapi/linux/xdp_diag.h

INCLUDED FROM

   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 
  34 enum {
  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 
  49 struct xdp_diag_info {
  50         __u32   ifindex;
  51         __u32   queue_id;
  52 };
  53 
  54 struct xdp_diag_ring {
  55         __u32   entries; /*num descs */
  56 };
  57 
  58 #define XDP_DU_F_ZEROCOPY (1 << 0)
  59 
  60 struct 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 */