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bpf_helper_enum.h
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// taken from kernel source v4.20
// just trying to see if we can easily get actual
// integer values specifying helpers for call instructions,
// so we can decode them with something more helpful
//
// run just the pre-processor on this file with gcc -E,
// then use vim (or something else) to transform the resulting
// enum definition into a python array of strings of bpf helper names,
// then put into ebpf.py.
//
// Could be automated, but worry about that later.
//
// Should be periodically redone to update the ebpf.py list of helpers
// with newly added helper functions
#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), \
FN(probe_read_str), \
FN(get_socket_cookie), \
FN(get_socket_uid), \
FN(set_hash), \
FN(setsockopt), \
FN(skb_adjust_room), \
FN(redirect_map), \
FN(sk_redirect_map), \
FN(sock_map_update), \
FN(xdp_adjust_meta), \
FN(perf_event_read_value), \
FN(perf_prog_read_value), \
FN(getsockopt), \
FN(override_return), \
FN(sock_ops_cb_flags_set), \
FN(msg_redirect_map), \
FN(msg_apply_bytes), \
FN(msg_cork_bytes), \
FN(msg_pull_data), \
FN(bind), \
FN(xdp_adjust_tail), \
FN(skb_get_xfrm_state), \
FN(get_stack), \
FN(skb_load_bytes_relative), \
FN(fib_lookup), \
FN(sock_hash_update), \
FN(msg_redirect_hash), \
FN(sk_redirect_hash), \
FN(lwt_push_encap), \
FN(lwt_seg6_store_bytes), \
FN(lwt_seg6_adjust_srh), \
FN(lwt_seg6_action), \
FN(rc_repeat), \
FN(rc_keydown), \
FN(skb_cgroup_id), \
FN(get_current_cgroup_id), \
FN(get_local_storage), \
FN(sk_select_reuseport), \
FN(skb_ancestor_cgroup_id), \
FN(sk_lookup_tcp), \
FN(sk_lookup_udp), \
FN(sk_release), \
FN(map_push_elem), \
FN(map_pop_elem), \
FN(map_peek_elem), \
FN(msg_push_data), \
FN(msg_pop_data), \
FN(rc_pointer_rel), \
FN(spin_lock), \
FN(spin_unlock), \
FN(sk_fullsock), \
FN(tcp_sock), \
FN(skb_ecn_set_ce), \
FN(get_listener_sock), \
FN(skc_lookup_tcp), \
FN(tcp_check_syncookie), \
FN(sysctl_get_name), \
FN(sysctl_get_current_value), \
FN(sysctl_get_new_value), \
FN(sysctl_set_new_value), \
FN(strtol), \
FN(strtoul), \
FN(sk_storage_get), \
FN(sk_storage_delete), \
FN(send_signal), \
FN(tcp_gen_syncookie), \
FN(skb_output), \
FN(probe_read_user), \
FN(probe_read_kernel), \
FN(probe_read_user_str), \
FN(probe_read_kernel_str), \
FN(tcp_send_ack), \
FN(send_signal_thread), \
FN(jiffies64), \
FN(read_branch_records), \
FN(get_ns_current_pid_tgid), \
FN(xdp_output), \
FN(get_netns_cookie), \
FN(get_current_ancestor_cgroup_id), \
FN(sk_assign), \
FN(ktime_get_boot_ns), \
FN(seq_printf), \
FN(seq_write), \
FN(sk_cgroup_id), \
FN(sk_ancestor_cgroup_id), \
FN(ringbuf_output), \
FN(ringbuf_reserve), \
FN(ringbuf_submit), \
FN(ringbuf_discard), \
FN(ringbuf_query), \
FN(csum_level), \
FN(skc_to_tcp6_sock), \
FN(skc_to_tcp_sock), \
FN(skc_to_tcp_timewait_sock), \
FN(skc_to_tcp_request_sock), \
FN(skc_to_udp6_sock), \
FN(get_task_stack), \
FN(load_hdr_opt), \
FN(store_hdr_opt), \
FN(reserve_hdr_opt), \
FN(inode_storage_get), \
FN(inode_storage_delete), \
FN(d_path), \
FN(copy_from_user), \
FN(snprintf_btf), \
FN(seq_printf_btf), \
FN(skb_cgroup_classid), \
FN(redirect_neigh), \
FN(per_cpu_ptr), \
FN(this_cpu_ptr), \
FN(redirect_peer), \
FN(task_storage_get), \
FN(task_storage_delete), \
FN(get_current_task_btf), \
FN(bprm_opts_set), \
FN(ktime_get_coarse_ns), \
FN(ima_inode_hash), \
FN(sock_from_file), \
FN(check_mtu), \
FN(for_each_map_elem), \
FN(snprintf), \
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
*/
#define __BPF_ENUM_FN(x) BPF_FUNC_ ## x
enum bpf_func_id {
__BPF_FUNC_MAPPER(__BPF_ENUM_FN)
__BPF_FUNC_MAX_ID,
};
#undef __BPF_ENUM_FN