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8e68a4beba
Add VLAN hint to the xdp_hw_metadata program. Also, to make metadata layout more straightforward, add flags field to pass information about validity of every separate hint separately. Acked-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Larysa Zaremba <larysa.zaremba@intel.com> Link: https://lore.kernel.org/r/20231205210847.28460-17-larysa.zaremba@intel.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
52 lines
817 B
C
52 lines
817 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#pragma once
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#ifndef ETH_P_IP
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#define ETH_P_IP 0x0800
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#endif
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#ifndef ETH_P_IPV6
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#define ETH_P_IPV6 0x86DD
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#endif
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#ifndef ETH_P_8021Q
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#define ETH_P_8021Q 0x8100
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#endif
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#ifndef ETH_P_8021AD
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#define ETH_P_8021AD 0x88A8
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#endif
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#ifndef BIT
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#define BIT(nr) (1 << (nr))
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#endif
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/* Non-existent checksum status */
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#define XDP_CHECKSUM_MAGIC BIT(2)
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enum xdp_meta_field {
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XDP_META_FIELD_TS = BIT(0),
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XDP_META_FIELD_RSS = BIT(1),
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XDP_META_FIELD_VLAN_TAG = BIT(2),
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};
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struct xdp_meta {
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union {
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__u64 rx_timestamp;
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__s32 rx_timestamp_err;
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};
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__u64 xdp_timestamp;
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__u32 rx_hash;
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union {
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__u32 rx_hash_type;
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__s32 rx_hash_err;
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};
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union {
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struct {
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__be16 rx_vlan_proto;
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__u16 rx_vlan_tci;
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};
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__s32 rx_vlan_tag_err;
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};
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enum xdp_meta_field hint_valid;
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};
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