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125 lines
2.5 KiB
125 lines
2.5 KiB
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ |
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/* Copyright (C) 2017-2018 Netronome Systems, Inc. */ |
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#ifndef NFP_BPF_FW_H |
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#define NFP_BPF_FW_H 1 |
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#include <linux/bitops.h> |
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#include <linux/types.h> |
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#include "../ccm.h" |
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/* Kernel's enum bpf_reg_type is not uABI so people may change it breaking |
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* our FW ABI. In that case we will do translation in the driver. |
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*/ |
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#define NFP_BPF_SCALAR_VALUE 1 |
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#define NFP_BPF_MAP_VALUE 4 |
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#define NFP_BPF_STACK 6 |
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#define NFP_BPF_PACKET_DATA 8 |
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enum bpf_cap_tlv_type { |
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NFP_BPF_CAP_TYPE_FUNC = 1, |
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NFP_BPF_CAP_TYPE_ADJUST_HEAD = 2, |
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NFP_BPF_CAP_TYPE_MAPS = 3, |
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NFP_BPF_CAP_TYPE_RANDOM = 4, |
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NFP_BPF_CAP_TYPE_QUEUE_SELECT = 5, |
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NFP_BPF_CAP_TYPE_ADJUST_TAIL = 6, |
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NFP_BPF_CAP_TYPE_ABI_VERSION = 7, |
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NFP_BPF_CAP_TYPE_CMSG_MULTI_ENT = 8, |
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}; |
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struct nfp_bpf_cap_tlv_func { |
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__le32 func_id; |
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__le32 func_addr; |
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}; |
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struct nfp_bpf_cap_tlv_adjust_head { |
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__le32 flags; |
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__le32 off_min; |
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__le32 off_max; |
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__le32 guaranteed_sub; |
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__le32 guaranteed_add; |
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}; |
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#define NFP_BPF_ADJUST_HEAD_NO_META BIT(0) |
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struct nfp_bpf_cap_tlv_maps { |
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__le32 types; |
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__le32 max_maps; |
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__le32 max_elems; |
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__le32 max_key_sz; |
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__le32 max_val_sz; |
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__le32 max_elem_sz; |
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}; |
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/* |
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* Types defined for map related control messages |
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*/ |
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/* BPF ABIv2 fixed-length control message fields */ |
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#define CMSG_MAP_KEY_LW 16 |
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#define CMSG_MAP_VALUE_LW 16 |
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enum nfp_bpf_cmsg_status { |
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CMSG_RC_SUCCESS = 0, |
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CMSG_RC_ERR_MAP_FD = 1, |
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CMSG_RC_ERR_MAP_NOENT = 2, |
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CMSG_RC_ERR_MAP_ERR = 3, |
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CMSG_RC_ERR_MAP_PARSE = 4, |
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CMSG_RC_ERR_MAP_EXIST = 5, |
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CMSG_RC_ERR_MAP_NOMEM = 6, |
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CMSG_RC_ERR_MAP_E2BIG = 7, |
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}; |
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struct cmsg_reply_map_simple { |
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struct nfp_ccm_hdr hdr; |
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__be32 rc; |
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}; |
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struct cmsg_req_map_alloc_tbl { |
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struct nfp_ccm_hdr hdr; |
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__be32 key_size; /* in bytes */ |
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__be32 value_size; /* in bytes */ |
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__be32 max_entries; |
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__be32 map_type; |
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__be32 map_flags; /* reserved */ |
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}; |
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struct cmsg_reply_map_alloc_tbl { |
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struct cmsg_reply_map_simple reply_hdr; |
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__be32 tid; |
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}; |
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struct cmsg_req_map_free_tbl { |
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struct nfp_ccm_hdr hdr; |
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__be32 tid; |
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}; |
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struct cmsg_reply_map_free_tbl { |
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struct cmsg_reply_map_simple reply_hdr; |
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__be32 count; |
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}; |
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struct cmsg_req_map_op { |
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struct nfp_ccm_hdr hdr; |
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__be32 tid; |
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__be32 count; |
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__be32 flags; |
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u8 data[]; |
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}; |
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struct cmsg_reply_map_op { |
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struct cmsg_reply_map_simple reply_hdr; |
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__be32 count; |
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__be32 resv; |
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u8 data[]; |
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}; |
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struct cmsg_bpf_event { |
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struct nfp_ccm_hdr hdr; |
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__be32 cpu_id; |
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__be64 map_ptr; |
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__be32 data_size; |
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__be32 pkt_size; |
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u8 data[]; |
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}; |
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#endif
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