/* SPDX-License-Identifier: GPL-2.0 */
#pragma once

#ifndef ETH_P_IP
#define ETH_P_IP 0x0800
#endif

#ifndef ETH_P_IPV6
#define ETH_P_IPV6 0x86DD
#endif

#ifndef ETH_P_8021Q
#define ETH_P_8021Q 0x8100
#endif

#ifndef ETH_P_8021AD
#define ETH_P_8021AD 0x88A8
#endif

#ifndef BIT
#define BIT(nr)                 (1 << (nr))
#endif

/* Non-existent checksum status */
#define XDP_CHECKSUM_MAGIC      BIT(2)

enum xdp_meta_field {
        XDP_META_FIELD_TS       = BIT(0),
        XDP_META_FIELD_RSS      = BIT(1),
        XDP_META_FIELD_VLAN_TAG = BIT(2),
};

struct xdp_meta {
        union {
                __u64 rx_timestamp;
                __s32 rx_timestamp_err;
        };
        __u64 xdp_timestamp;
        __u32 rx_hash;
        union {
                __u32 rx_hash_type;
                __s32 rx_hash_err;
        };
        union {
                struct {
                        __be16 rx_vlan_proto;
                        __u16 rx_vlan_tci;
                };
                __s32 rx_vlan_tag_err;
        };
        enum xdp_meta_field hint_valid;
};