tools/testing/selftests/bpf/xdp_metadata.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #pragma once
   3
   4 #ifndef ETH_P_IP
   5 #define ETH_P_IP 0x0800
   6 #endif
   7
   8 #ifndef ETH_P_IPV6
   9 #define ETH_P_IPV6 0x86DD
  10 #endif
  11
  12 #ifndef ETH_P_8021Q
  13 #define ETH_P_8021Q 0x8100
  14 #endif
  15
  16 #ifndef ETH_P_8021AD
  17 #define ETH_P_8021AD 0x88A8
  18 #endif
  19
  20 #ifndef BIT
  21 #define BIT(nr)                 (1 << (nr))
  22 #endif
  23
  24 /* Non-existent checksum status */
  25 #define XDP_CHECKSUM_MAGIC      BIT(2)
  26
  27 enum xdp_meta_field {
  28         XDP_META_FIELD_TS       = BIT(0),
  29         XDP_META_FIELD_RSS      = BIT(1),
  30         XDP_META_FIELD_VLAN_TAG = BIT(2),
  31 };
  32
  33 struct xdp_meta {
  34         union {
  35                 __u64 rx_timestamp;
  36                 __s32 rx_timestamp_err;
  37         };
  38         __u64 xdp_timestamp;
  39         __u32 rx_hash;
  40         union {
  41                 __u32 rx_hash_type;
  42                 __s32 rx_hash_err;
  43         };
  44         union {
  45                 struct {
  46                         __be16 rx_vlan_proto;
  47                         __u16 rx_vlan_tci;
  48                 };
  49                 __s32 rx_vlan_tag_err;
  50         };
  51         enum xdp_meta_field hint_valid;
  52 };