1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI__LINUX_BPF_H__ 20 #define _UAPI__LINUX_BPF_H__ 21 #include <linux/types.h> 22 #include <linux/bpf_common.h> 23 #define BPF_ALU64 0x07 24 #define BPF_DW 0x18 25 #define BPF_XADD 0xc0 26 #define BPF_MOV 0xb0 27 #define BPF_ARSH 0xc0 28 #define BPF_END 0xd0 29 #define BPF_TO_LE 0x00 30 #define BPF_TO_BE 0x08 31 #define BPF_FROM_LE BPF_TO_LE 32 #define BPF_FROM_BE BPF_TO_BE 33 #define BPF_JNE 0x50 34 #define BPF_JSGT 0x60 35 #define BPF_JSGE 0x70 36 #define BPF_CALL 0x80 37 #define BPF_EXIT 0x90 38 enum { 39 BPF_REG_0 = 0, 40 BPF_REG_1, 41 BPF_REG_2, 42 BPF_REG_3, 43 BPF_REG_4, 44 BPF_REG_5, 45 BPF_REG_6, 46 BPF_REG_7, 47 BPF_REG_8, 48 BPF_REG_9, 49 BPF_REG_10, 50 __MAX_BPF_REG, 51 }; 52 #define MAX_BPF_REG __MAX_BPF_REG 53 struct bpf_insn { 54 __u8 code; 55 __u8 dst_reg : 4; 56 __u8 src_reg : 4; 57 __s16 off; 58 __s32 imm; 59 }; 60 enum bpf_cmd { 61 BPF_MAP_CREATE, 62 BPF_MAP_LOOKUP_ELEM, 63 BPF_MAP_UPDATE_ELEM, 64 BPF_MAP_DELETE_ELEM, 65 BPF_MAP_GET_NEXT_KEY, 66 BPF_PROG_LOAD, 67 BPF_OBJ_PIN, 68 BPF_OBJ_GET, 69 BPF_PROG_ATTACH, 70 BPF_PROG_DETACH, 71 }; 72 enum bpf_map_type { 73 BPF_MAP_TYPE_UNSPEC, 74 BPF_MAP_TYPE_HASH, 75 BPF_MAP_TYPE_ARRAY, 76 BPF_MAP_TYPE_PROG_ARRAY, 77 BPF_MAP_TYPE_PERF_EVENT_ARRAY, 78 BPF_MAP_TYPE_PERCPU_HASH, 79 BPF_MAP_TYPE_PERCPU_ARRAY, 80 BPF_MAP_TYPE_STACK_TRACE, 81 BPF_MAP_TYPE_CGROUP_ARRAY, 82 BPF_MAP_TYPE_LRU_HASH, 83 BPF_MAP_TYPE_LRU_PERCPU_HASH, 84 }; 85 enum bpf_prog_type { 86 BPF_PROG_TYPE_UNSPEC, 87 BPF_PROG_TYPE_SOCKET_FILTER, 88 BPF_PROG_TYPE_KPROBE, 89 BPF_PROG_TYPE_SCHED_CLS, 90 BPF_PROG_TYPE_SCHED_ACT, 91 BPF_PROG_TYPE_TRACEPOINT, 92 BPF_PROG_TYPE_XDP, 93 BPF_PROG_TYPE_PERF_EVENT, 94 BPF_PROG_TYPE_CGROUP_SKB, 95 BPF_PROG_TYPE_CGROUP_SOCK, 96 BPF_PROG_TYPE_LWT_IN, 97 BPF_PROG_TYPE_LWT_OUT, 98 BPF_PROG_TYPE_LWT_XMIT, 99 }; 100 enum bpf_attach_type { 101 BPF_CGROUP_INET_INGRESS, 102 BPF_CGROUP_INET_EGRESS, 103 BPF_CGROUP_INET_SOCK_CREATE, 104 __MAX_BPF_ATTACH_TYPE 105 }; 106 #define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE 107 #define BPF_F_ALLOW_OVERRIDE (1U << 0) 108 #define BPF_PSEUDO_MAP_FD 1 109 #define BPF_ANY 0 110 #define BPF_NOEXIST 1 111 #define BPF_EXIST 2 112 #define BPF_F_NO_PREALLOC (1U << 0) 113 #define BPF_F_NO_COMMON_LRU (1U << 1) 114 union bpf_attr { 115 struct { 116 __u32 map_type; 117 __u32 key_size; 118 __u32 value_size; 119 __u32 max_entries; 120 __u32 map_flags; 121 }; 122 struct { 123 __u32 map_fd; 124 __aligned_u64 key; 125 union { 126 __aligned_u64 value; 127 __aligned_u64 next_key; 128 }; 129 __u64 flags; 130 }; 131 struct { 132 __u32 prog_type; 133 __u32 insn_cnt; 134 __aligned_u64 insns; 135 __aligned_u64 license; 136 __u32 log_level; 137 __u32 log_size; 138 __aligned_u64 log_buf; 139 __u32 kern_version; 140 }; 141 struct { 142 __aligned_u64 pathname; 143 __u32 bpf_fd; 144 }; 145 struct { 146 __u32 target_fd; 147 __u32 attach_bpf_fd; 148 __u32 attach_type; 149 __u32 attach_flags; 150 }; 151 } __attribute__((aligned(8))); 152 #define __BPF_FUNC_MAPPER(FN) FN(unspec), FN(map_lookup_elem), FN(map_update_elem), FN(map_delete_elem), FN(probe_read), FN(ktime_get_ns), FN(trace_printk), FN(get_prandom_u32), FN(get_smp_processor_id), FN(skb_store_bytes), FN(l3_csum_replace), FN(l4_csum_replace), FN(tail_call), FN(clone_redirect), FN(get_current_pid_tgid), FN(get_current_uid_gid), FN(get_current_comm), FN(get_cgroup_classid), FN(skb_vlan_push), FN(skb_vlan_pop), FN(skb_get_tunnel_key), FN(skb_set_tunnel_key), FN(perf_event_read), FN(redirect), FN(get_route_realm), FN(perf_event_output), FN(skb_load_bytes), FN(get_stackid), FN(csum_diff), FN(skb_get_tunnel_opt), FN(skb_set_tunnel_opt), FN(skb_change_proto), FN(skb_change_type), FN(skb_under_cgroup), FN(get_hash_recalc), FN(get_current_task), FN(probe_write_user), FN(current_task_under_cgroup), FN(skb_change_tail), FN(skb_pull_data), FN(csum_update), FN(set_hash_invalid), FN(get_numa_node_id), FN(skb_change_head), FN(xdp_adjust_head), 153 #define __BPF_ENUM_FN(x) BPF_FUNC_ ##x 154 enum bpf_func_id { 155 __BPF_FUNC_MAPPER(__BPF_ENUM_FN) __BPF_FUNC_MAX_ID, 156 }; 157 #undef __BPF_ENUM_FN 158 #define BPF_F_RECOMPUTE_CSUM (1ULL << 0) 159 #define BPF_F_INVALIDATE_HASH (1ULL << 1) 160 #define BPF_F_HDR_FIELD_MASK 0xfULL 161 #define BPF_F_PSEUDO_HDR (1ULL << 4) 162 #define BPF_F_MARK_MANGLED_0 (1ULL << 5) 163 #define BPF_F_INGRESS (1ULL << 0) 164 #define BPF_F_TUNINFO_IPV6 (1ULL << 0) 165 #define BPF_F_SKIP_FIELD_MASK 0xffULL 166 #define BPF_F_USER_STACK (1ULL << 8) 167 #define BPF_F_FAST_STACK_CMP (1ULL << 9) 168 #define BPF_F_REUSE_STACKID (1ULL << 10) 169 #define BPF_F_ZERO_CSUM_TX (1ULL << 1) 170 #define BPF_F_DONT_FRAGMENT (1ULL << 2) 171 #define BPF_F_INDEX_MASK 0xffffffffULL 172 #define BPF_F_CURRENT_CPU BPF_F_INDEX_MASK 173 #define BPF_F_CTXLEN_MASK (0xfffffULL << 32) 174 struct __sk_buff { 175 __u32 len; 176 __u32 pkt_type; 177 __u32 mark; 178 __u32 queue_mapping; 179 __u32 protocol; 180 __u32 vlan_present; 181 __u32 vlan_tci; 182 __u32 vlan_proto; 183 __u32 priority; 184 __u32 ingress_ifindex; 185 __u32 ifindex; 186 __u32 tc_index; 187 __u32 cb[5]; 188 __u32 hash; 189 __u32 tc_classid; 190 __u32 data; 191 __u32 data_end; 192 }; 193 struct bpf_tunnel_key { 194 __u32 tunnel_id; 195 union { 196 __u32 remote_ipv4; 197 __u32 remote_ipv6[4]; 198 }; 199 __u8 tunnel_tos; 200 __u8 tunnel_ttl; 201 __u16 tunnel_ext; 202 __u32 tunnel_label; 203 }; 204 enum bpf_ret_code { 205 BPF_OK = 0, 206 BPF_DROP = 2, 207 BPF_REDIRECT = 7, 208 }; 209 struct bpf_sock { 210 __u32 bound_dev_if; 211 __u32 family; 212 __u32 type; 213 __u32 protocol; 214 }; 215 #define XDP_PACKET_HEADROOM 256 216 enum xdp_action { 217 XDP_ABORTED = 0, 218 XDP_DROP, 219 XDP_PASS, 220 XDP_TX, 221 }; 222 struct xdp_md { 223 __u32 data; 224 __u32 data_end; 225 }; 226 #endif 227