diff --git a/libc/kernel/uapi/linux/bpf.h b/libc/kernel/uapi/linux/bpf.h
index fd8c723..7b56764 100644
--- a/libc/kernel/uapi/linux/bpf.h
+++ b/libc/kernel/uapi/linux/bpf.h
@@ -103,172 +103,179 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   BPF_PROG_TYPE_TRACEPOINT,
   BPF_PROG_TYPE_XDP,
+  BPF_PROG_TYPE_PERF_EVENT,
 };
-#define BPF_PSEUDO_MAP_FD 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_PSEUDO_MAP_FD 1
 #define BPF_ANY 0
 #define BPF_NOEXIST 1
 #define BPF_EXIST 2
-#define BPF_F_NO_PREALLOC (1U << 0)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define BPF_F_NO_PREALLOC (1U << 0)
 union bpf_attr {
   struct {
     __u32 map_type;
-    __u32 key_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u32 key_size;
     __u32 value_size;
     __u32 max_entries;
     __u32 map_flags;
-  };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  };
   struct {
     __u32 map_fd;
     __aligned_u64 key;
-    union {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    union {
       __aligned_u64 value;
       __aligned_u64 next_key;
     };
-    __u64 flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u64 flags;
   };
   struct {
     __u32 prog_type;
-    __u32 insn_cnt;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u32 insn_cnt;
     __aligned_u64 insns;
     __aligned_u64 license;
     __u32 log_level;
-    __u32 log_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+    __u32 log_size;
     __aligned_u64 log_buf;
     __u32 kern_version;
   };
-  struct {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  struct {
     __aligned_u64 pathname;
     __u32 bpf_fd;
   };
-} __attribute__((aligned(8)));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+} __attribute__((aligned(8)));
 enum bpf_func_id {
   BPF_FUNC_unspec,
   BPF_FUNC_map_lookup_elem,
-  BPF_FUNC_map_update_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,
-  BPF_FUNC_trace_printk,
 /* 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,
-  BPF_FUNC_l3_csum_replace,
 /* 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,
-  BPF_FUNC_get_current_pid_tgid,
 /* 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,
-  BPF_FUNC_skb_vlan_push,
 /* 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,
-  BPF_FUNC_perf_event_read,
 /* 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,
-  BPF_FUNC_skb_load_bytes,
 /* 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,
-  BPF_FUNC_skb_set_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,
-  BPF_FUNC_get_hash_recalc,
 /* 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,
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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_HDR_FIELD_MASK 0xfULL
 #define BPF_F_PSEUDO_HDR (1ULL << 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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_TUNINFO_IPV6 (1ULL << 0)
 #define BPF_F_SKIP_FIELD_MASK 0xffULL
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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_REUSE_STACKID (1ULL << 10)
 #define BPF_F_ZERO_CSUM_TX (1ULL << 1)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #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_CURRENT_CPU BPF_F_INDEX_MASK
 #define BPF_F_CTXLEN_MASK (0xfffffULL << 32)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct __sk_buff {
   __u32 len;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 pkt_type;
   __u32 mark;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 queue_mapping;
   __u32 protocol;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 vlan_present;
   __u32 vlan_tci;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 vlan_proto;
   __u32 priority;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 ingress_ifindex;
   __u32 ifindex;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 tc_index;
   __u32 cb[5];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 hash;
   __u32 tc_classid;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 data;
   __u32 data_end;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct bpf_tunnel_key {
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 tunnel_id;
   union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
     __u32 remote_ipv4;
     __u32 remote_ipv6[4];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   };
   __u8 tunnel_tos;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u8 tunnel_ttl;
   __u16 tunnel_ext;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 tunnel_label;
 };
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum xdp_action {
   XDP_ABORTED = 0,
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   XDP_DROP,
   XDP_PASS,
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   XDP_TX,
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct xdp_md {
   __u32 data;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
   __u32 data_end;
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif