diff --git a/libc/kernel/uapi/linux/bpf.h b/libc/kernel/uapi/linux/bpf.h
index 7b56764..b986ff8 100644
--- a/libc/kernel/uapi/linux/bpf.h
+++ b/libc/kernel/uapi/linux/bpf.h
@@ -78,20 +78,25 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_OBJ_PIN,
   BPF_OBJ_GET,
+  BPF_PROG_ATTACH,
+  BPF_PROG_DETACH,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 enum bpf_map_type {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_MAP_TYPE_UNSPEC,
   BPF_MAP_TYPE_HASH,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_MAP_TYPE_ARRAY,
   BPF_MAP_TYPE_PROG_ARRAY,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_MAP_TYPE_PERF_EVENT_ARRAY,
   BPF_MAP_TYPE_PERCPU_HASH,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_MAP_TYPE_PERCPU_ARRAY,
   BPF_MAP_TYPE_STACK_TRACE,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_MAP_TYPE_CGROUP_ARRAY,
+  BPF_MAP_TYPE_LRU_HASH,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  BPF_MAP_TYPE_LRU_PERCPU_HASH,
 };
 enum bpf_prog_type {
   BPF_PROG_TYPE_UNSPEC,
@@ -104,178 +109,170 @@
   BPF_PROG_TYPE_TRACEPOINT,
   BPF_PROG_TYPE_XDP,
   BPF_PROG_TYPE_PERF_EVENT,
-};
+  BPF_PROG_TYPE_CGROUP_SKB,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  BPF_PROG_TYPE_CGROUP_SOCK,
+  BPF_PROG_TYPE_LWT_IN,
+  BPF_PROG_TYPE_LWT_OUT,
+  BPF_PROG_TYPE_LWT_XMIT,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+enum bpf_attach_type {
+  BPF_CGROUP_INET_INGRESS,
+  BPF_CGROUP_INET_EGRESS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  BPF_CGROUP_INET_SOCK_CREATE,
+  __MAX_BPF_ATTACH_TYPE
+};
+#define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_ALLOW_OVERRIDE (1U << 0)
 #define BPF_PSEUDO_MAP_FD 1
 #define BPF_ANY 0
 #define BPF_NOEXIST 1
-#define BPF_EXIST 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_EXIST 2
 #define BPF_F_NO_PREALLOC (1U << 0)
+#define BPF_F_NO_COMMON_LRU (1U << 1)
 union bpf_attr {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   struct {
     __u32 map_type;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 key_size;
     __u32 value_size;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 max_entries;
     __u32 map_flags;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   };
   struct {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 map_fd;
     __aligned_u64 key;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     union {
       __aligned_u64 value;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
       __aligned_u64 next_key;
     };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u64 flags;
   };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   struct {
     __u32 prog_type;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 insn_cnt;
     __aligned_u64 insns;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __aligned_u64 license;
     __u32 log_level;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 log_size;
     __aligned_u64 log_buf;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 kern_version;
   };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   struct {
     __aligned_u64 pathname;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 bpf_fd;
   };
+  struct {
+    __u32 target_fd;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u32 attach_bpf_fd;
+    __u32 attach_type;
+    __u32 attach_flags;
+  };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((aligned(8)));
+#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),
+#define __BPF_ENUM_FN(x) BPF_FUNC_ ##x
 enum bpf_func_id {
-  BPF_FUNC_unspec,
-  BPF_FUNC_map_lookup_elem,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_map_update_elem,
-  BPF_FUNC_map_delete_elem,
-  BPF_FUNC_probe_read,
-  BPF_FUNC_ktime_get_ns,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_trace_printk,
-  BPF_FUNC_get_prandom_u32,
-  BPF_FUNC_get_smp_processor_id,
-  BPF_FUNC_skb_store_bytes,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_l3_csum_replace,
-  BPF_FUNC_l4_csum_replace,
-  BPF_FUNC_tail_call,
-  BPF_FUNC_clone_redirect,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_get_current_pid_tgid,
-  BPF_FUNC_get_current_uid_gid,
-  BPF_FUNC_get_current_comm,
-  BPF_FUNC_get_cgroup_classid,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_skb_vlan_push,
-  BPF_FUNC_skb_vlan_pop,
-  BPF_FUNC_skb_get_tunnel_key,
-  BPF_FUNC_skb_set_tunnel_key,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_perf_event_read,
-  BPF_FUNC_redirect,
-  BPF_FUNC_get_route_realm,
-  BPF_FUNC_perf_event_output,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_skb_load_bytes,
-  BPF_FUNC_get_stackid,
-  BPF_FUNC_csum_diff,
-  BPF_FUNC_skb_get_tunnel_opt,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_skb_set_tunnel_opt,
-  BPF_FUNC_skb_change_proto,
-  BPF_FUNC_skb_change_type,
-  BPF_FUNC_skb_under_cgroup,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_get_hash_recalc,
-  BPF_FUNC_get_current_task,
-  BPF_FUNC_probe_write_user,
-  BPF_FUNC_current_task_under_cgroup,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  BPF_FUNC_skb_change_tail,
-  BPF_FUNC_skb_pull_data,
-  BPF_FUNC_csum_update,
-  BPF_FUNC_set_hash_invalid,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-  __BPF_FUNC_MAX_ID,
+  __BPF_FUNC_MAPPER(__BPF_ENUM_FN) __BPF_FUNC_MAX_ID,
 };
+#undef __BPF_ENUM_FN
 #define BPF_F_RECOMPUTE_CSUM (1ULL << 0)
-#define BPF_F_INVALIDATE_HASH (1ULL << 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_INVALIDATE_HASH (1ULL << 1)
 #define BPF_F_HDR_FIELD_MASK 0xfULL
 #define BPF_F_PSEUDO_HDR (1ULL << 4)
 #define BPF_F_MARK_MANGLED_0 (1ULL << 5)
-#define BPF_F_INGRESS (1ULL << 0)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_INGRESS (1ULL << 0)
 #define BPF_F_TUNINFO_IPV6 (1ULL << 0)
 #define BPF_F_SKIP_FIELD_MASK 0xffULL
 #define BPF_F_USER_STACK (1ULL << 8)
-#define BPF_F_FAST_STACK_CMP (1ULL << 9)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_FAST_STACK_CMP (1ULL << 9)
 #define BPF_F_REUSE_STACKID (1ULL << 10)
 #define BPF_F_ZERO_CSUM_TX (1ULL << 1)
 #define BPF_F_DONT_FRAGMENT (1ULL << 2)
-#define BPF_F_INDEX_MASK 0xffffffffULL
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_INDEX_MASK 0xffffffffULL
 #define BPF_F_CURRENT_CPU BPF_F_INDEX_MASK
 #define BPF_F_CTXLEN_MASK (0xfffffULL << 32)
 struct __sk_buff {
-  __u32 len;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 len;
   __u32 pkt_type;
   __u32 mark;
   __u32 queue_mapping;
-  __u32 protocol;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 protocol;
   __u32 vlan_present;
   __u32 vlan_tci;
   __u32 vlan_proto;
-  __u32 priority;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 priority;
   __u32 ingress_ifindex;
   __u32 ifindex;
   __u32 tc_index;
-  __u32 cb[5];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 cb[5];
   __u32 hash;
   __u32 tc_classid;
   __u32 data;
-  __u32 data_end;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 data_end;
 };
 struct bpf_tunnel_key {
   __u32 tunnel_id;
-  union {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  union {
     __u32 remote_ipv4;
     __u32 remote_ipv6[4];
   };
-  __u8 tunnel_tos;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 tunnel_tos;
   __u8 tunnel_ttl;
   __u16 tunnel_ext;
   __u32 tunnel_label;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+enum bpf_ret_code {
+  BPF_OK = 0,
+  BPF_DROP = 2,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  BPF_REDIRECT = 7,
+};
+struct bpf_sock {
+  __u32 bound_dev_if;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 family;
+  __u32 type;
+  __u32 protocol;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define XDP_PACKET_HEADROOM 256
 enum xdp_action {
   XDP_ABORTED = 0,
   XDP_DROP,
-  XDP_PASS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  XDP_PASS,
   XDP_TX,
 };
 struct xdp_md {
-  __u32 data;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u32 data;
   __u32 data_end;
 };
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */