include/uapi/linux/psample.h

   1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
   2 #ifndef __UAPI_PSAMPLE_H
   3 #define __UAPI_PSAMPLE_H
   4
   5 enum {
   6         PSAMPLE_ATTR_IIFINDEX,
   7         PSAMPLE_ATTR_OIFINDEX,
   8         PSAMPLE_ATTR_ORIGSIZE,
   9         PSAMPLE_ATTR_SAMPLE_GROUP,
  10         PSAMPLE_ATTR_GROUP_SEQ,
  11         PSAMPLE_ATTR_SAMPLE_RATE,       /* u32, ratio between observed and
  12                                          * sampled packets or scaled probability
  13                                          * if PSAMPLE_ATTR_SAMPLE_PROBABILITY
  14                                          * is set.
  15                                          */
  16         PSAMPLE_ATTR_DATA,
  17         PSAMPLE_ATTR_GROUP_REFCOUNT,
  18         PSAMPLE_ATTR_TUNNEL,
  19
  20         PSAMPLE_ATTR_PAD,
  21         PSAMPLE_ATTR_OUT_TC,            /* u16 */
  22         PSAMPLE_ATTR_OUT_TC_OCC,        /* u64, bytes */
  23         PSAMPLE_ATTR_LATENCY,           /* u64, nanoseconds */
  24         PSAMPLE_ATTR_TIMESTAMP,         /* u64, nanoseconds */
  25         PSAMPLE_ATTR_PROTO,             /* u16 */
  26         PSAMPLE_ATTR_USER_COOKIE,       /* binary, user provided data */
  27         PSAMPLE_ATTR_SAMPLE_PROBABILITY,/* no argument, interpret rate in
  28                                          * PSAMPLE_ATTR_SAMPLE_RATE as a
  29                                          * probability scaled 0 - U32_MAX.
  30                                          */
  31
  32         __PSAMPLE_ATTR_MAX
  33 };
  34
  35 enum psample_command {
  36         PSAMPLE_CMD_SAMPLE,
  37         PSAMPLE_CMD_GET_GROUP,
  38         PSAMPLE_CMD_NEW_GROUP,
  39         PSAMPLE_CMD_DEL_GROUP,
  40 };
  41
  42 enum psample_tunnel_key_attr {
  43         PSAMPLE_TUNNEL_KEY_ATTR_ID,                 /* be64 Tunnel ID */
  44         PSAMPLE_TUNNEL_KEY_ATTR_IPV4_SRC,           /* be32 src IP address. */
  45         PSAMPLE_TUNNEL_KEY_ATTR_IPV4_DST,           /* be32 dst IP address. */
  46         PSAMPLE_TUNNEL_KEY_ATTR_TOS,                /* u8 Tunnel IP ToS. */
  47         PSAMPLE_TUNNEL_KEY_ATTR_TTL,                /* u8 Tunnel IP TTL. */
  48         PSAMPLE_TUNNEL_KEY_ATTR_DONT_FRAGMENT,      /* No argument, set DF. */
  49         PSAMPLE_TUNNEL_KEY_ATTR_CSUM,               /* No argument. CSUM packet. */
  50         PSAMPLE_TUNNEL_KEY_ATTR_OAM,                /* No argument. OAM frame.  */
  51         PSAMPLE_TUNNEL_KEY_ATTR_GENEVE_OPTS,        /* Array of Geneve options. */
  52         PSAMPLE_TUNNEL_KEY_ATTR_TP_SRC,             /* be16 src Transport Port. */
  53         PSAMPLE_TUNNEL_KEY_ATTR_TP_DST,             /* be16 dst Transport Port. */
  54         PSAMPLE_TUNNEL_KEY_ATTR_VXLAN_OPTS,         /* Nested VXLAN opts* */
  55         PSAMPLE_TUNNEL_KEY_ATTR_IPV6_SRC,           /* struct in6_addr src IPv6 address. */
  56         PSAMPLE_TUNNEL_KEY_ATTR_IPV6_DST,           /* struct in6_addr dst IPv6 address. */
  57         PSAMPLE_TUNNEL_KEY_ATTR_PAD,
  58         PSAMPLE_TUNNEL_KEY_ATTR_ERSPAN_OPTS,        /* struct erspan_metadata */
  59         PSAMPLE_TUNNEL_KEY_ATTR_IPV4_INFO_BRIDGE,   /* No argument. IPV4_INFO_BRIDGE mode.*/
  60         __PSAMPLE_TUNNEL_KEY_ATTR_MAX
  61 };
  62
  63 /* Can be overridden at runtime by module option */
  64 #define PSAMPLE_ATTR_MAX (__PSAMPLE_ATTR_MAX - 1)
  65
  66 #define PSAMPLE_NL_MCGRP_CONFIG_NAME "config"
  67 #define PSAMPLE_NL_MCGRP_SAMPLE_NAME "packets"
  68 #define PSAMPLE_GENL_NAME "psample"
  69 #define PSAMPLE_GENL_VERSION 1
  70
  71 #endif