These values correspond to "syscalls" within the BPF program's environment, each one is documented in std.os.linux.BPF.kern
pub const Helper = enum(i32)pub const Helper = enum(i32) {
unspec,
map_lookup_elem,
map_update_elem,
map_delete_elem,
probe_read,
ktime_get_ns,
trace_printk,
get_prandom_u32,
get_smp_processor_id,
skb_store_bytes,
l3_csum_replace,
l4_csum_replace,
tail_call,
clone_redirect,
get_current_pid_tgid,
get_current_uid_gid,
get_current_comm,
get_cgroup_classid,
skb_vlan_push,
skb_vlan_pop,
skb_get_tunnel_key,
skb_set_tunnel_key,
perf_event_read,
redirect,
get_route_realm,
perf_event_output,
skb_load_bytes,
get_stackid,
csum_diff,
skb_get_tunnel_opt,
skb_set_tunnel_opt,
skb_change_proto,
skb_change_type,
skb_under_cgroup,
get_hash_recalc,
get_current_task,
probe_write_user,
current_task_under_cgroup,
skb_change_tail,
skb_pull_data,
csum_update,
set_hash_invalid,
get_numa_node_id,
skb_change_head,
xdp_adjust_head,
probe_read_str,
get_socket_cookie,
get_socket_uid,
set_hash,
setsockopt,
skb_adjust_room,
redirect_map,
sk_redirect_map,
sock_map_update,
xdp_adjust_meta,
perf_event_read_value,
perf_prog_read_value,
getsockopt,
override_return,
sock_ops_cb_flags_set,
msg_redirect_map,
msg_apply_bytes,
msg_cork_bytes,
msg_pull_data,
bind,
xdp_adjust_tail,
skb_get_xfrm_state,
get_stack,
skb_load_bytes_relative,
fib_lookup,
sock_hash_update,
msg_redirect_hash,
sk_redirect_hash,
lwt_push_encap,
lwt_seg6_store_bytes,
lwt_seg6_adjust_srh,
lwt_seg6_action,
rc_repeat,
rc_keydown,
skb_cgroup_id,
get_current_cgroup_id,
get_local_storage,
sk_select_reuseport,
skb_ancestor_cgroup_id,
sk_lookup_tcp,
sk_lookup_udp,
sk_release,
map_push_elem,
map_pop_elem,
map_peek_elem,
msg_push_data,
msg_pop_data,
rc_pointer_rel,
spin_lock,
spin_unlock,
sk_fullsock,
tcp_sock,
skb_ecn_set_ce,
get_listener_sock,
skc_lookup_tcp,
tcp_check_syncookie,
sysctl_get_name,
sysctl_get_current_value,
sysctl_get_new_value,
sysctl_set_new_value,
strtol,
strtoul,
sk_storage_get,
sk_storage_delete,
send_signal,
tcp_gen_syncookie,
skb_output,
probe_read_user,
probe_read_kernel,
probe_read_user_str,
probe_read_kernel_str,
tcp_send_ack,
send_signal_thread,
jiffies64,
read_branch_records,
get_ns_current_pid_tgid,
xdp_output,
get_netns_cookie,
get_current_ancestor_cgroup_id,
sk_assign,
ktime_get_boot_ns,
seq_printf,
seq_write,
sk_cgroup_id,
sk_ancestor_cgroup_id,
ringbuf_output,
ringbuf_reserve,
ringbuf_submit,
ringbuf_discard,
ringbuf_query,
csum_level,
skc_to_tcp6_sock,
skc_to_tcp_sock,
skc_to_tcp_timewait_sock,
skc_to_tcp_request_sock,
skc_to_udp6_sock,
get_task_stack,
load_hdr_opt,
store_hdr_opt,
reserve_hdr_opt,
inode_storage_get,
inode_storage_delete,
d_path,
copy_from_user,
snprintf_btf,
seq_printf_btf,
skb_cgroup_classid,
redirect_neigh,
per_cpu_ptr,
this_cpu_ptr,
redirect_peer,
task_storage_get,
task_storage_delete,
get_current_task_btf,
bprm_opts_set,
ktime_get_coarse_ns,
ima_inode_hash,
sock_from_file,
check_mtu,
for_each_map_elem,
snprintf,
sys_bpf,
btf_find_by_name_kind,
sys_close,
timer_init,
timer_set_callback,
timer_start,
timer_cancel,
get_func_ip,
get_attach_cookie,
task_pt_regs,
get_branch_snapshot,
trace_vprintk,
skc_to_unix_sock,
kallsyms_lookup_name,
find_vma,
loop,
strncmp,
get_func_arg,
get_func_ret,
get_func_arg_cnt,
get_retval,
set_retval,
xdp_get_buff_len,
xdp_load_bytes,
xdp_store_bytes,
copy_from_user_task,
skb_set_tstamp,
ima_file_hash,
kptr_xchg,
map_lookup_percpu_elem,
skc_to_mptcp_sock,
dynptr_from_mem,
ringbuf_reserve_dynptr,
ringbuf_submit_dynptr,
ringbuf_discard_dynptr,
dynptr_read,
dynptr_write,
dynptr_data,
tcp_raw_gen_syncookie_ipv4,
tcp_raw_gen_syncookie_ipv6,
tcp_raw_check_syncookie_ipv4,
tcp_raw_check_syncookie_ipv6,
ktime_get_tai_ns,
user_ringbuf_drain,
cgrp_storage_get,
cgrp_storage_delete,
_,
}