const std = @import("../../../std.zig");
const kern = @import("kern.zig");

const PtRegs = @compileError("TODO missing os bits: PtRegs");
const TcpHdr = @compileError("TODO missing os bits: TcpHdr");
const SkFullSock = @compileError("TODO missing os bits: SkFullSock");

// in BPF, all the helper calls
// TODO: when https://github.com/ziglang/zig/issues/1717 is here, make a nice
// function that uses the Helper enum
//
// Note, these function signatures were created from documentation found in
// '/usr/include/linux/bpf.h'
pub const map_lookup_elem = @as(*const fn (map: *const kern.MapDef, key: ?*const anyopaque) ?*anyopaque, @ptrFromInt(1));
pub const map_update_elem = @as(*const fn (map: *const kern.MapDef, key: ?*const anyopaque, value: ?*const anyopaque, flags: u64) c_long, @ptrFromInt(2));
pub const map_delete_elem = @as(*const fn (map: *const kern.MapDef, key: ?*const anyopaque) c_long, @ptrFromInt(3));
pub const probe_read = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(4));
pub const ktime_get_ns = @as(*const fn () u64, @ptrFromInt(5));
pub const trace_printk = @as(*const fn (fmt: [*:0]const u8, fmt_size: u32, arg1: u64, arg2: u64, arg3: u64) c_long, @ptrFromInt(6));
pub const get_prandom_u32 = @as(*const fn () u32, @ptrFromInt(7));
pub const get_smp_processor_id = @as(*const fn () u32, @ptrFromInt(8));
pub const skb_store_bytes = @as(*const fn (skb: *kern.SkBuff, offset: u32, from: ?*const anyopaque, len: u32, flags: u64) c_long, @ptrFromInt(9));
pub const l3_csum_replace = @as(*const fn (skb: *kern.SkBuff, offset: u32, from: u64, to: u64, size: u64) c_long, @ptrFromInt(10));
pub const l4_csum_replace = @as(*const fn (skb: *kern.SkBuff, offset: u32, from: u64, to: u64, flags: u64) c_long, @ptrFromInt(11));
pub const tail_call = @as(*const fn (ctx: ?*anyopaque, prog_array_map: *const kern.MapDef, index: u32) c_long, @ptrFromInt(12));
pub const clone_redirect = @as(*const fn (skb: *kern.SkBuff, ifindex: u32, flags: u64) c_long, @ptrFromInt(13));
pub const get_current_pid_tgid = @as(*const fn () u64, @ptrFromInt(14));
pub const get_current_uid_gid = @as(*const fn () u64, @ptrFromInt(15));
pub const get_current_comm = @as(*const fn (buf: ?*anyopaque, size_of_buf: u32) c_long, @ptrFromInt(16));
pub const get_cgroup_classid = @as(*const fn (skb: *kern.SkBuff) u32, @ptrFromInt(17));
// Note vlan_proto is big endian
pub const skb_vlan_push = @as(*const fn (skb: *kern.SkBuff, vlan_proto: u16, vlan_tci: u16) c_long, @ptrFromInt(18));
pub const skb_vlan_pop = @as(*const fn (skb: *kern.SkBuff) c_long, @ptrFromInt(19));
pub const skb_get_tunnel_key = @as(*const fn (skb: *kern.SkBuff, key: *kern.TunnelKey, size: u32, flags: u64) c_long, @ptrFromInt(20));
pub const skb_set_tunnel_key = @as(*const fn (skb: *kern.SkBuff, key: *kern.TunnelKey, size: u32, flags: u64) c_long, @ptrFromInt(21));
pub const perf_event_read = @as(*const fn (map: *const kern.MapDef, flags: u64) u64, @ptrFromInt(22));
pub const redirect = @as(*const fn (ifindex: u32, flags: u64) c_long, @ptrFromInt(23));
pub const get_route_realm = @as(*const fn (skb: *kern.SkBuff) u32, @ptrFromInt(24));
pub const perf_event_output = @as(*const fn (ctx: ?*anyopaque, map: *const kern.MapDef, flags: u64, data: ?*anyopaque, size: u64) c_long, @ptrFromInt(25));
pub const skb_load_bytes = @as(*const fn (skb: ?*anyopaque, offset: u32, to: ?*anyopaque, len: u32) c_long, @ptrFromInt(26));
pub const get_stackid = @as(*const fn (ctx: ?*anyopaque, map: *const kern.MapDef, flags: u64) c_long, @ptrFromInt(27));
// from and to point to __be32
pub const csum_diff = @as(*const fn (from: *u32, from_size: u32, to: *u32, to_size: u32, seed: u32) i64, @ptrFromInt(28));
pub const skb_get_tunnel_opt = @as(*const fn (skb: *kern.SkBuff, opt: ?*anyopaque, size: u32) c_long, @ptrFromInt(29));
pub const skb_set_tunnel_opt = @as(*const fn (skb: *kern.SkBuff, opt: ?*anyopaque, size: u32) c_long, @ptrFromInt(30));
// proto is __be16
pub const skb_change_proto = @as(*const fn (skb: *kern.SkBuff, proto: u16, flags: u64) c_long, @ptrFromInt(31));
pub const skb_change_type = @as(*const fn (skb: *kern.SkBuff, skb_type: u32) c_long, @ptrFromInt(32));
pub const skb_under_cgroup = @as(*const fn (skb: *kern.SkBuff, map: ?*const anyopaque, index: u32) c_long, @ptrFromInt(33));
pub const get_hash_recalc = @as(*const fn (skb: *kern.SkBuff) u32, @ptrFromInt(34));
pub const get_current_task = @as(*const fn () u64, @ptrFromInt(35));
pub const probe_write_user = @as(*const fn (dst: ?*anyopaque, src: ?*const anyopaque, len: u32) c_long, @ptrFromInt(36));
pub const current_task_under_cgroup = @as(*const fn (map: *const kern.MapDef, index: u32) c_long, @ptrFromInt(37));
pub const skb_change_tail = @as(*const fn (skb: *kern.SkBuff, len: u32, flags: u64) c_long, @ptrFromInt(38));
pub const skb_pull_data = @as(*const fn (skb: *kern.SkBuff, len: u32) c_long, @ptrFromInt(39));
pub const csum_update = @as(*const fn (skb: *kern.SkBuff, csum: u32) i64, @ptrFromInt(40));
pub const set_hash_invalid = @as(*const fn (skb: *kern.SkBuff) void, @ptrFromInt(41));
pub const get_numa_node_id = @as(*const fn () c_long, @ptrFromInt(42));
pub const skb_change_head = @as(*const fn (skb: *kern.SkBuff, len: u32, flags: u64) c_long, @ptrFromInt(43));
pub const xdp_adjust_head = @as(*const fn (xdp_md: *kern.XdpMd, delta: c_int) c_long, @ptrFromInt(44));
pub const probe_read_str = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(45));
pub const get_socket_cookie = @as(*const fn (ctx: ?*anyopaque) u64, @ptrFromInt(46));
pub const get_socket_uid = @as(*const fn (skb: *kern.SkBuff) u32, @ptrFromInt(47));
pub const set_hash = @as(*const fn (skb: *kern.SkBuff, hash: u32) c_long, @ptrFromInt(48));
pub const setsockopt = @as(*const fn (bpf_socket: *kern.SockOps, level: c_int, optname: c_int, optval: ?*anyopaque, optlen: c_int) c_long, @ptrFromInt(49));
pub const skb_adjust_room = @as(*const fn (skb: *kern.SkBuff, len_diff: i32, mode: u32, flags: u64) c_long, @ptrFromInt(50));
pub const redirect_map = @as(*const fn (map: *const kern.MapDef, key: u32, flags: u64) c_long, @ptrFromInt(51));
pub const sk_redirect_map = @as(*const fn (skb: *kern.SkBuff, map: *const kern.MapDef, key: u32, flags: u64) c_long, @ptrFromInt(52));
pub const sock_map_update = @as(*const fn (skops: *kern.SockOps, map: *const kern.MapDef, key: ?*anyopaque, flags: u64) c_long, @ptrFromInt(53));
pub const xdp_adjust_meta = @as(*const fn (xdp_md: *kern.XdpMd, delta: c_int) c_long, @ptrFromInt(54));
pub const perf_event_read_value = @as(*const fn (map: *const kern.MapDef, flags: u64, buf: *kern.PerfEventValue, buf_size: u32) c_long, @ptrFromInt(55));
pub const perf_prog_read_value = @as(*const fn (ctx: *kern.PerfEventData, buf: *kern.PerfEventValue, buf_size: u32) c_long, @ptrFromInt(56));
pub const getsockopt = @as(*const fn (bpf_socket: ?*anyopaque, level: c_int, optname: c_int, optval: ?*anyopaque, optlen: c_int) c_long, @ptrFromInt(57));
pub const override_return = @as(*const fn (regs: *PtRegs, rc: u64) c_long, @ptrFromInt(58));
pub const sock_ops_cb_flags_set = @as(*const fn (bpf_sock: *kern.SockOps, argval: c_int) c_long, @ptrFromInt(59));
pub const msg_redirect_map = @as(*const fn (msg: *kern.SkMsgMd, map: *const kern.MapDef, key: u32, flags: u64) c_long, @ptrFromInt(60));
pub const msg_apply_bytes = @as(*const fn (msg: *kern.SkMsgMd, bytes: u32) c_long, @ptrFromInt(61));
pub const msg_cork_bytes = @as(*const fn (msg: *kern.SkMsgMd, bytes: u32) c_long, @ptrFromInt(62));
pub const msg_pull_data = @as(*const fn (msg: *kern.SkMsgMd, start: u32, end: u32, flags: u64) c_long, @ptrFromInt(63));
pub const bind = @as(*const fn (ctx: *kern.BpfSockAddr, addr: *kern.SockAddr, addr_len: c_int) c_long, @ptrFromInt(64));
pub const xdp_adjust_tail = @as(*const fn (xdp_md: *kern.XdpMd, delta: c_int) c_long, @ptrFromInt(65));
pub const skb_get_xfrm_state = @as(*const fn (skb: *kern.SkBuff, index: u32, xfrm_state: *kern.XfrmState, size: u32, flags: u64) c_long, @ptrFromInt(66));
pub const get_stack = @as(*const fn (ctx: ?*anyopaque, buf: ?*anyopaque, size: u32, flags: u64) c_long, @ptrFromInt(67));
pub const skb_load_bytes_relative = @as(*const fn (skb: ?*const anyopaque, offset: u32, to: ?*anyopaque, len: u32, start_header: u32) c_long, @ptrFromInt(68));
pub const fib_lookup = @as(*const fn (ctx: ?*anyopaque, params: *kern.FibLookup, plen: c_int, flags: u32) c_long, @ptrFromInt(69));
pub const sock_hash_update = @as(*const fn (skops: *kern.SockOps, map: *const kern.MapDef, key: ?*anyopaque, flags: u64) c_long, @ptrFromInt(70));
pub const msg_redirect_hash = @as(*const fn (msg: *kern.SkMsgMd, map: *const kern.MapDef, key: ?*anyopaque, flags: u64) c_long, @ptrFromInt(71));
pub const sk_redirect_hash = @as(*const fn (skb: *kern.SkBuff, map: *const kern.MapDef, key: ?*anyopaque, flags: u64) c_long, @ptrFromInt(72));
pub const lwt_push_encap = @as(*const fn (skb: *kern.SkBuff, typ: u32, hdr: ?*anyopaque, len: u32) c_long, @ptrFromInt(73));
pub const lwt_seg6_store_bytes = @as(*const fn (skb: *kern.SkBuff, offset: u32, from: ?*const anyopaque, len: u32) c_long, @ptrFromInt(74));
pub const lwt_seg6_adjust_srh = @as(*const fn (skb: *kern.SkBuff, offset: u32, delta: i32) c_long, @ptrFromInt(75));
pub const lwt_seg6_action = @as(*const fn (skb: *kern.SkBuff, action: u32, param: ?*anyopaque, param_len: u32) c_long, @ptrFromInt(76));
pub const rc_repeat = @as(*const fn (ctx: ?*anyopaque) c_long, @ptrFromInt(77));
pub const rc_keydown = @as(*const fn (ctx: ?*anyopaque, protocol: u32, scancode: u64, toggle: u32) c_long, @ptrFromInt(78));
pub const skb_cgroup_id = @as(*const fn (skb: *kern.SkBuff) u64, @ptrFromInt(79));
pub const get_current_cgroup_id = @as(*const fn () u64, @ptrFromInt(80));
pub const get_local_storage = @as(*const fn (map: ?*anyopaque, flags: u64) ?*anyopaque, @ptrFromInt(81));
pub const sk_select_reuseport = @as(*const fn (reuse: *kern.SkReusePortMd, map: *const kern.MapDef, key: ?*anyopaque, flags: u64) c_long, @ptrFromInt(82));
pub const skb_ancestor_cgroup_id = @as(*const fn (skb: *kern.SkBuff, ancestor_level: c_int) u64, @ptrFromInt(83));
pub const sk_lookup_tcp = @as(*const fn (ctx: ?*anyopaque, tuple: *kern.SockTuple, tuple_size: u32, netns: u64, flags: u64) ?*kern.Sock, @ptrFromInt(84));
pub const sk_lookup_udp = @as(*const fn (ctx: ?*anyopaque, tuple: *kern.SockTuple, tuple_size: u32, netns: u64, flags: u64) ?*kern.Sock, @ptrFromInt(85));
pub const sk_release = @as(*const fn (sock: *kern.Sock) c_long, @ptrFromInt(86));
pub const map_push_elem = @as(*const fn (map: *const kern.MapDef, value: ?*const anyopaque, flags: u64) c_long, @ptrFromInt(87));
pub const map_pop_elem = @as(*const fn (map: *const kern.MapDef, value: ?*anyopaque) c_long, @ptrFromInt(88));
pub const map_peek_elem = @as(*const fn (map: *const kern.MapDef, value: ?*anyopaque) c_long, @ptrFromInt(89));
pub const msg_push_data = @as(*const fn (msg: *kern.SkMsgMd, start: u32, len: u32, flags: u64) c_long, @ptrFromInt(90));
pub const msg_pop_data = @as(*const fn (msg: *kern.SkMsgMd, start: u32, len: u32, flags: u64) c_long, @ptrFromInt(91));
pub const rc_pointer_rel = @as(*const fn (ctx: ?*anyopaque, rel_x: i32, rel_y: i32) c_long, @ptrFromInt(92));
pub const spin_lock = @as(*const fn (lock: *kern.SpinLock) c_long, @ptrFromInt(93));
pub const spin_unlock = @as(*const fn (lock: *kern.SpinLock) c_long, @ptrFromInt(94));
pub const sk_fullsock = @as(*const fn (sk: *kern.Sock) ?*SkFullSock, @ptrFromInt(95));
pub const tcp_sock = @as(*const fn (sk: *kern.Sock) ?*kern.TcpSock, @ptrFromInt(96));
pub const skb_ecn_set_ce = @as(*const fn (skb: *kern.SkBuff) c_long, @ptrFromInt(97));
pub const get_listener_sock = @as(*const fn (sk: *kern.Sock) ?*kern.Sock, @ptrFromInt(98));
pub const skc_lookup_tcp = @as(*const fn (ctx: ?*anyopaque, tuple: *kern.SockTuple, tuple_size: u32, netns: u64, flags: u64) ?*kern.Sock, @ptrFromInt(99));
pub const tcp_check_syncookie = @as(*const fn (sk: *kern.Sock, iph: ?*anyopaque, iph_len: u32, th: *TcpHdr, th_len: u32) c_long, @ptrFromInt(100));
pub const sysctl_get_name = @as(*const fn (ctx: *kern.SysCtl, buf: ?*u8, buf_len: c_ulong, flags: u64) c_long, @ptrFromInt(101));
pub const sysctl_get_current_value = @as(*const fn (ctx: *kern.SysCtl, buf: ?*u8, buf_len: c_ulong) c_long, @ptrFromInt(102));
pub const sysctl_get_new_value = @as(*const fn (ctx: *kern.SysCtl, buf: ?*u8, buf_len: c_ulong) c_long, @ptrFromInt(103));
pub const sysctl_set_new_value = @as(*const fn (ctx: *kern.SysCtl, buf: ?*const u8, buf_len: c_ulong) c_long, @ptrFromInt(104));
pub const strtol = @as(*const fn (buf: *const u8, buf_len: c_ulong, flags: u64, res: *c_long) c_long, @ptrFromInt(105));
pub const strtoul = @as(*const fn (buf: *const u8, buf_len: c_ulong, flags: u64, res: *c_ulong) c_long, @ptrFromInt(106));
pub const sk_storage_get = @as(*const fn (map: *const kern.MapDef, sk: *kern.Sock, value: ?*anyopaque, flags: u64) ?*anyopaque, @ptrFromInt(107));
pub const sk_storage_delete = @as(*const fn (map: *const kern.MapDef, sk: *kern.Sock) c_long, @ptrFromInt(108));
pub const send_signal = @as(*const fn (sig: u32) c_long, @ptrFromInt(109));
pub const tcp_gen_syncookie = @as(*const fn (sk: *kern.Sock, iph: ?*anyopaque, iph_len: u32, th: *TcpHdr, th_len: u32) i64, @ptrFromInt(110));
pub const skb_output = @as(*const fn (ctx: ?*anyopaque, map: *const kern.MapDef, flags: u64, data: ?*anyopaque, size: u64) c_long, @ptrFromInt(111));
pub const probe_read_user = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(112));
pub const probe_read_kernel = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(113));
pub const probe_read_user_str = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(114));
pub const probe_read_kernel_str = @as(*const fn (dst: ?*anyopaque, size: u32, unsafe_ptr: ?*const anyopaque) c_long, @ptrFromInt(115));
pub const tcp_send_ack = @as(*const fn (tp: ?*anyopaque, rcv_nxt: u32) c_long, @ptrFromInt(116));
pub const send_signal_thread = @as(*const fn (sig: u32) c_long, @ptrFromInt(117));
pub const jiffies64 = @as(*const fn () u64, @ptrFromInt(118));
pub const read_branch_records = @as(*const fn (ctx: *kern.PerfEventData, buf: ?*anyopaque, size: u32, flags: u64) c_long, @ptrFromInt(119));
pub const get_ns_current_pid_tgid = @as(*const fn (dev: u64, ino: u64, nsdata: *kern.PidNsInfo, size: u32) c_long, @ptrFromInt(120));
pub const xdp_output = @as(*const fn (ctx: ?*anyopaque, map: *const kern.MapDef, flags: u64, data: ?*anyopaque, size: u64) c_long, @ptrFromInt(121));
pub const get_netns_cookie = @as(*const fn (ctx: ?*anyopaque) u64, @ptrFromInt(122));
pub const get_current_ancestor_cgroup_id = @as(*const fn (ancestor_level: c_int) u64, @ptrFromInt(123));
pub const sk_assign = @as(*const fn (skb: *kern.SkBuff, sk: *kern.Sock, flags: u64) c_long, @ptrFromInt(124));
pub const ktime_get_boot_ns = @as(*const fn () u64, @ptrFromInt(125));
pub const seq_printf = @as(*const fn (m: *kern.SeqFile, fmt: ?*const u8, fmt_size: u32, data: ?*const anyopaque, data_len: u32) c_long, @ptrFromInt(126));
pub const seq_write = @as(*const fn (m: *kern.SeqFile, data: ?*const u8, len: u32) c_long, @ptrFromInt(127));
pub const sk_cgroup_id = @as(*const fn (sk: *kern.BpfSock) u64, @ptrFromInt(128));
pub const sk_ancestor_cgroup_id = @as(*const fn (sk: *kern.BpfSock, ancestor_level: c_long) u64, @ptrFromInt(129));
pub const ringbuf_output = @as(*const fn (ringbuf: ?*anyopaque, data: ?*anyopaque, size: u64, flags: u64) c_long, @ptrFromInt(130));
pub const ringbuf_reserve = @as(*const fn (ringbuf: ?*anyopaque, size: u64, flags: u64) ?*anyopaque, @ptrFromInt(131));
pub const ringbuf_submit = @as(*const fn (data: ?*anyopaque, flags: u64) void, @ptrFromInt(132));
pub const ringbuf_discard = @as(*const fn (data: ?*anyopaque, flags: u64) void, @ptrFromInt(133));
pub const ringbuf_query = @as(*const fn (ringbuf: ?*anyopaque, flags: u64) u64, @ptrFromInt(134));
pub const csum_level = @as(*const fn (skb: *kern.SkBuff, level: u64) c_long, @ptrFromInt(135));
pub const skc_to_tcp6_sock = @as(*const fn (sk: ?*anyopaque) ?*kern.Tcp6Sock, @ptrFromInt(136));
pub const skc_to_tcp_sock = @as(*const fn (sk: ?*anyopaque) ?*kern.TcpSock, @ptrFromInt(137));
pub const skc_to_tcp_timewait_sock = @as(*const fn (sk: ?*anyopaque) ?*kern.TcpTimewaitSock, @ptrFromInt(138));
pub const skc_to_tcp_request_sock = @as(*const fn (sk: ?*anyopaque) ?*kern.TcpRequestSock, @ptrFromInt(139));
pub const skc_to_udp6_sock = @as(*const fn (sk: ?*anyopaque) ?*kern.Udp6Sock, @ptrFromInt(140));
pub const get_task_stack = @as(*const fn (task: ?*anyopaque, buf: ?*anyopaque, size: u32, flags: u64) c_long, @ptrFromInt(141));