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1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */2/* Copyright (C) 2017-2018 Netronome Systems, Inc. */3 4#ifndef NFP_BPF_FW_H5#define NFP_BPF_FW_H 16 7#include <linux/bitops.h>8#include <linux/types.h>9#include "../ccm.h"10 11/* Kernel's enum bpf_reg_type is not uABI so people may change it breaking12 * our FW ABI. In that case we will do translation in the driver.13 */14#define NFP_BPF_SCALAR_VALUE 115#define NFP_BPF_MAP_VALUE 416#define NFP_BPF_STACK 617#define NFP_BPF_PACKET_DATA 818 19enum bpf_cap_tlv_type {20 NFP_BPF_CAP_TYPE_FUNC = 1,21 NFP_BPF_CAP_TYPE_ADJUST_HEAD = 2,22 NFP_BPF_CAP_TYPE_MAPS = 3,23 NFP_BPF_CAP_TYPE_RANDOM = 4,24 NFP_BPF_CAP_TYPE_QUEUE_SELECT = 5,25 NFP_BPF_CAP_TYPE_ADJUST_TAIL = 6,26 NFP_BPF_CAP_TYPE_ABI_VERSION = 7,27 NFP_BPF_CAP_TYPE_CMSG_MULTI_ENT = 8,28};29 30struct nfp_bpf_cap_tlv_func {31 __le32 func_id;32 __le32 func_addr;33};34 35struct nfp_bpf_cap_tlv_adjust_head {36 __le32 flags;37 __le32 off_min;38 __le32 off_max;39 __le32 guaranteed_sub;40 __le32 guaranteed_add;41};42 43#define NFP_BPF_ADJUST_HEAD_NO_META BIT(0)44 45struct nfp_bpf_cap_tlv_maps {46 __le32 types;47 __le32 max_maps;48 __le32 max_elems;49 __le32 max_key_sz;50 __le32 max_val_sz;51 __le32 max_elem_sz;52};53 54/*55 * Types defined for map related control messages56 */57 58/* BPF ABIv2 fixed-length control message fields */59#define CMSG_MAP_KEY_LW 1660#define CMSG_MAP_VALUE_LW 1661 62enum nfp_bpf_cmsg_status {63 CMSG_RC_SUCCESS = 0,64 CMSG_RC_ERR_MAP_FD = 1,65 CMSG_RC_ERR_MAP_NOENT = 2,66 CMSG_RC_ERR_MAP_ERR = 3,67 CMSG_RC_ERR_MAP_PARSE = 4,68 CMSG_RC_ERR_MAP_EXIST = 5,69 CMSG_RC_ERR_MAP_NOMEM = 6,70 CMSG_RC_ERR_MAP_E2BIG = 7,71};72 73struct cmsg_reply_map_simple {74 struct nfp_ccm_hdr hdr;75 __be32 rc;76};77 78struct cmsg_req_map_alloc_tbl {79 struct nfp_ccm_hdr hdr;80 __be32 key_size; /* in bytes */81 __be32 value_size; /* in bytes */82 __be32 max_entries;83 __be32 map_type;84 __be32 map_flags; /* reserved */85};86 87struct cmsg_reply_map_alloc_tbl {88 struct cmsg_reply_map_simple reply_hdr;89 __be32 tid;90};91 92struct cmsg_req_map_free_tbl {93 struct nfp_ccm_hdr hdr;94 __be32 tid;95};96 97struct cmsg_reply_map_free_tbl {98 struct cmsg_reply_map_simple reply_hdr;99 __be32 count;100};101 102struct cmsg_req_map_op {103 struct nfp_ccm_hdr hdr;104 __be32 tid;105 __be32 count;106 __be32 flags;107 u8 data[];108};109 110struct cmsg_reply_map_op {111 struct cmsg_reply_map_simple reply_hdr;112 __be32 count;113 __be32 resv;114 u8 data[];115};116 117struct cmsg_bpf_event {118 struct nfp_ccm_hdr hdr;119 __be32 cpu_id;120 __be64 map_ptr;121 __be32 data_size;122 __be32 pkt_size;123 u8 data[];124};125#endif126