diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 523481a..3bf3835 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -1,8 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 /* Copyright (c) 2011-2014 PLUMgrid, http://plumgrid.com
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
  */
 #ifndef _LINUX_BPF_H
 #define _LINUX_BPF_H 1
@@ -16,6 +13,7 @@
 #include <linux/rbtree_latch.h>
 #include <linux/numa.h>
 #include <linux/wait.h>
+#include <linux/u64_stats_sync.h>
 
 struct bpf_verifier_env;
 struct perf_event;
@@ -23,8 +21,12 @@
 struct bpf_map;
 struct sock;
 struct seq_file;
+struct btf;
 struct btf_type;
 
+extern struct idr btf_idr;
+extern spinlock_t btf_idr_lock;
+
 /* map is generic key/value storage optionally accesible by eBPF programs */
 struct bpf_map_ops {
 	/* funcs callable from userspace (via syscall) */
@@ -34,11 +36,15 @@
 	void (*map_free)(struct bpf_map *map);
 	int (*map_get_next_key)(struct bpf_map *map, void *key, void *next_key);
 	void (*map_release_uref)(struct bpf_map *map);
+	void *(*map_lookup_elem_sys_only)(struct bpf_map *map, void *key);
 
 	/* funcs callable from userspace and from eBPF programs */
 	void *(*map_lookup_elem)(struct bpf_map *map, void *key);
 	int (*map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags);
 	int (*map_delete_elem)(struct bpf_map *map, void *key);
+	int (*map_push_elem)(struct bpf_map *map, void *value, u64 flags);
+	int (*map_pop_elem)(struct bpf_map *map, void *value);
+	int (*map_peek_elem)(struct bpf_map *map, void *value);
 
 	/* funcs called by prog_array and perf_event_array map */
 	void *(*map_fd_get_ptr)(struct bpf_map *map, struct file *map_file,
@@ -49,8 +55,20 @@
 	void (*map_seq_show_elem)(struct bpf_map *map, void *key,
 				  struct seq_file *m);
 	int (*map_check_btf)(const struct bpf_map *map,
+			     const struct btf *btf,
 			     const struct btf_type *key_type,
 			     const struct btf_type *value_type);
+
+	/* Direct value access helpers. */
+	int (*map_direct_value_addr)(const struct bpf_map *map,
+				     u64 *imm, u32 off);
+	int (*map_direct_value_meta)(const struct bpf_map *map,
+				     u64 imm, u32 *off);
+};
+
+struct bpf_map_memory {
+	u32 pages;
+	struct user_struct *user;
 };
 
 struct bpf_map {
@@ -67,25 +85,56 @@
 	u32 value_size;
 	u32 max_entries;
 	u32 map_flags;
-	u32 pages;
+	int spin_lock_off; /* >=0 valid offset, <0 error */
 	u32 id;
 	int numa_node;
 	u32 btf_key_type_id;
 	u32 btf_value_type_id;
 	struct btf *btf;
+	struct bpf_map_memory memory;
 	bool unpriv_array;
-	/* 55 bytes hole */
+	bool frozen; /* write-once */
+	/* 48 bytes hole */
 
 	/* The 3rd and 4th cacheline with misc members to avoid false sharing
 	 * particularly with refcounting.
 	 */
-	struct user_struct *user ____cacheline_aligned;
-	atomic_t refcnt;
+	atomic_t refcnt ____cacheline_aligned;
 	atomic_t usercnt;
 	struct work_struct work;
 	char name[BPF_OBJ_NAME_LEN];
 };
 
+static inline bool map_value_has_spin_lock(const struct bpf_map *map)
+{
+	return map->spin_lock_off >= 0;
+}
+
+static inline void check_and_init_map_lock(struct bpf_map *map, void *dst)
+{
+	if (likely(!map_value_has_spin_lock(map)))
+		return;
+	*(struct bpf_spin_lock *)(dst + map->spin_lock_off) =
+		(struct bpf_spin_lock){};
+}
+
+/* copy everything but bpf_spin_lock */
+static inline void copy_map_value(struct bpf_map *map, void *dst, void *src)
+{
+	if (unlikely(map_value_has_spin_lock(map))) {
+		u32 off = map->spin_lock_off;
+
+		memcpy(dst, src, off);
+		memcpy(dst + off + sizeof(struct bpf_spin_lock),
+		       src + off + sizeof(struct bpf_spin_lock),
+		       map->value_size - off - sizeof(struct bpf_spin_lock));
+	} else {
+		memcpy(dst, src, map->value_size);
+	}
+}
+void copy_map_value_locked(struct bpf_map *map, void *dst, void *src,
+			   bool lock_src);
+
 struct bpf_offload_dev;
 struct bpf_offloaded_map;
 
@@ -123,6 +172,7 @@
 }
 
 int map_check_no_btf(const struct bpf_map *map,
+		     const struct btf *btf,
 		     const struct btf_type *key_type,
 		     const struct btf_type *value_type);
 
@@ -138,6 +188,8 @@
 	ARG_CONST_MAP_PTR,	/* const argument used as pointer to bpf_map */
 	ARG_PTR_TO_MAP_KEY,	/* pointer to stack used as map key */
 	ARG_PTR_TO_MAP_VALUE,	/* pointer to stack used as map value */
+	ARG_PTR_TO_UNINIT_MAP_VALUE,	/* pointer to valid memory used to store a map value */
+	ARG_PTR_TO_MAP_VALUE_OR_NULL,	/* pointer to stack used as map value or NULL */
 
 	/* the following constraints used to prototype bpf_memcmp() and other
 	 * functions that access data on eBPF program stack
@@ -154,6 +206,11 @@
 
 	ARG_PTR_TO_CTX,		/* pointer to context */
 	ARG_ANYTHING,		/* any (initialized) argument is ok */
+	ARG_PTR_TO_SPIN_LOCK,	/* pointer to bpf_spin_lock */
+	ARG_PTR_TO_SOCK_COMMON,	/* pointer to sock_common */
+	ARG_PTR_TO_INT,		/* pointer to int */
+	ARG_PTR_TO_LONG,	/* pointer to long */
+	ARG_PTR_TO_SOCKET,	/* pointer to bpf_sock (fullsock) */
 };
 
 /* type of values returned from helper functions */
@@ -162,6 +219,9 @@
 	RET_VOID,			/* function doesn't return anything */
 	RET_PTR_TO_MAP_VALUE,		/* returns a pointer to map elem value */
 	RET_PTR_TO_MAP_VALUE_OR_NULL,	/* returns a pointer to map elem value or NULL */
+	RET_PTR_TO_SOCKET_OR_NULL,	/* returns a pointer to a socket or NULL */
+	RET_PTR_TO_TCP_SOCK_OR_NULL,	/* returns a pointer to a tcp_sock or NULL */
+	RET_PTR_TO_SOCK_COMMON_OR_NULL,	/* returns a pointer to a sock_common or NULL */
 };
 
 /* eBPF function prototype used by verifier to allow BPF_CALLs from eBPF programs
@@ -212,6 +272,15 @@
 	PTR_TO_PACKET_META,	 /* skb->data - meta_len */
 	PTR_TO_PACKET,		 /* reg points to skb->data */
 	PTR_TO_PACKET_END,	 /* skb->data + headlen */
+	PTR_TO_FLOW_KEYS,	 /* reg points to bpf_flow_keys */
+	PTR_TO_SOCKET,		 /* reg points to struct bpf_sock */
+	PTR_TO_SOCKET_OR_NULL,	 /* reg points to struct bpf_sock or NULL */
+	PTR_TO_SOCK_COMMON,	 /* reg points to sock_common */
+	PTR_TO_SOCK_COMMON_OR_NULL, /* reg points to sock_common or NULL */
+	PTR_TO_TCP_SOCK,	 /* reg points to struct tcp_sock */
+	PTR_TO_TCP_SOCK_OR_NULL, /* reg points to struct tcp_sock or NULL */
+	PTR_TO_TP_BUFFER,	 /* reg points to a writable raw tp's buffer */
+	PTR_TO_XDP_SOCK,	 /* reg points to struct xdp_sock */
 };
 
 /* The information passed from prog-specific *_is_valid_access
@@ -256,28 +325,57 @@
 };
 
 struct bpf_prog_offload_ops {
+	/* verifier basic callbacks */
 	int (*insn_hook)(struct bpf_verifier_env *env,
 			 int insn_idx, int prev_insn_idx);
+	int (*finalize)(struct bpf_verifier_env *env);
+	/* verifier optimization callbacks (called after .finalize) */
+	int (*replace_insn)(struct bpf_verifier_env *env, u32 off,
+			    struct bpf_insn *insn);
+	int (*remove_insns)(struct bpf_verifier_env *env, u32 off, u32 cnt);
+	/* program management callbacks */
+	int (*prepare)(struct bpf_prog *prog);
+	int (*translate)(struct bpf_prog *prog);
+	void (*destroy)(struct bpf_prog *prog);
 };
 
 struct bpf_prog_offload {
 	struct bpf_prog		*prog;
 	struct net_device	*netdev;
+	struct bpf_offload_dev	*offdev;
 	void			*dev_priv;
 	struct list_head	offloads;
 	bool			dev_state;
-	const struct bpf_prog_offload_ops *dev_ops;
+	bool			opt_failed;
 	void			*jited_image;
 	u32			jited_len;
 };
 
+enum bpf_cgroup_storage_type {
+	BPF_CGROUP_STORAGE_SHARED,
+	BPF_CGROUP_STORAGE_PERCPU,
+	__BPF_CGROUP_STORAGE_MAX
+};
+
+#define MAX_BPF_CGROUP_STORAGE_TYPE __BPF_CGROUP_STORAGE_MAX
+
+struct bpf_prog_stats {
+	u64 cnt;
+	u64 nsecs;
+	struct u64_stats_sync syncp;
+};
+
 struct bpf_prog_aux {
 	atomic_t refcnt;
 	u32 used_map_cnt;
 	u32 max_ctx_offset;
+	u32 max_pkt_offset;
+	u32 max_tp_access;
 	u32 stack_depth;
 	u32 id;
-	u32 func_cnt;
+	u32 func_cnt; /* used by non-func prog as the number of func progs */
+	u32 func_idx; /* 0 for non-func prog, the index in func array for func prog */
+	bool verifier_zext; /* Zero extensions has been inserted by verifier. */
 	bool offload_requested;
 	struct bpf_prog **func;
 	void *jit_data; /* JIT specific data. arch dependent */
@@ -288,12 +386,37 @@
 	struct bpf_prog *prog;
 	struct user_struct *user;
 	u64 load_time; /* ns since boottime */
-	struct bpf_map *cgroup_storage;
+	struct bpf_map *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE];
 	char name[BPF_OBJ_NAME_LEN];
 #ifdef CONFIG_SECURITY
 	void *security;
 #endif
 	struct bpf_prog_offload *offload;
+	struct btf *btf;
+	struct bpf_func_info *func_info;
+	/* bpf_line_info loaded from userspace.  linfo->insn_off
+	 * has the xlated insn offset.
+	 * Both the main and sub prog share the same linfo.
+	 * The subprog can access its first linfo by
+	 * using the linfo_idx.
+	 */
+	struct bpf_line_info *linfo;
+	/* jited_linfo is the jited addr of the linfo.  It has a
+	 * one to one mapping to linfo:
+	 * jited_linfo[i] is the jited addr for the linfo[i]->insn_off.
+	 * Both the main and sub prog share the same jited_linfo.
+	 * The subprog can access its first jited_linfo by
+	 * using the linfo_idx.
+	 */
+	void **jited_linfo;
+	u32 func_info_cnt;
+	u32 nr_linfo;
+	/* subprog can use linfo_idx to access its first linfo and
+	 * jited_linfo.
+	 * main prog always has linfo_idx == 0
+	 */
+	u32 linfo_idx;
+	struct bpf_prog_stats __percpu *stats;
 	union {
 		struct work_struct work;
 		struct rcu_head	rcu;
@@ -318,8 +441,38 @@
 	};
 };
 
+#define BPF_COMPLEXITY_LIMIT_INSNS      1000000 /* yes. 1M insns */
 #define MAX_TAIL_CALL_CNT 32
 
+#define BPF_F_ACCESS_MASK	(BPF_F_RDONLY |		\
+				 BPF_F_RDONLY_PROG |	\
+				 BPF_F_WRONLY |		\
+				 BPF_F_WRONLY_PROG)
+
+#define BPF_MAP_CAN_READ	BIT(0)
+#define BPF_MAP_CAN_WRITE	BIT(1)
+
+static inline u32 bpf_map_flags_to_cap(struct bpf_map *map)
+{
+	u32 access_flags = map->map_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG);
+
+	/* Combination of BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG is
+	 * not possible.
+	 */
+	if (access_flags & BPF_F_RDONLY_PROG)
+		return BPF_MAP_CAN_READ;
+	else if (access_flags & BPF_F_WRONLY_PROG)
+		return BPF_MAP_CAN_WRITE;
+	else
+		return BPF_MAP_CAN_READ | BPF_MAP_CAN_WRITE;
+}
+
+static inline bool bpf_map_flags_access_ok(u32 access_flags)
+{
+	return (access_flags & (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG)) !=
+	       (BPF_F_RDONLY_PROG | BPF_F_WRONLY_PROG);
+}
+
 struct bpf_event_entry {
 	struct perf_event *event;
 	struct file *perf_file;
@@ -334,15 +487,15 @@
 
 typedef unsigned long (*bpf_ctx_copy_t)(void *dst, const void *src,
 					unsigned long off, unsigned long len);
+typedef u32 (*bpf_convert_ctx_access_t)(enum bpf_access_type type,
+					const struct bpf_insn *src,
+					struct bpf_insn *dst,
+					struct bpf_prog *prog,
+					u32 *target_size);
 
 u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size,
 		     void *ctx, u64 ctx_size, bpf_ctx_copy_t ctx_copy);
 
-int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
-			  union bpf_attr __user *uattr);
-int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
-			  union bpf_attr __user *uattr);
-
 /* an array of programs to be executed under rcu_lock.
  *
  * Typical usage:
@@ -357,7 +510,7 @@
  */
 struct bpf_prog_array_item {
 	struct bpf_prog *prog;
-	struct bpf_cgroup_storage *cgroup_storage;
+	struct bpf_cgroup_storage *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE];
 };
 
 struct bpf_prog_array {
@@ -366,17 +519,18 @@
 };
 
 struct bpf_prog_array *bpf_prog_array_alloc(u32 prog_cnt, gfp_t flags);
-void bpf_prog_array_free(struct bpf_prog_array __rcu *progs);
-int bpf_prog_array_length(struct bpf_prog_array __rcu *progs);
-int bpf_prog_array_copy_to_user(struct bpf_prog_array __rcu *progs,
+void bpf_prog_array_free(struct bpf_prog_array *progs);
+int bpf_prog_array_length(struct bpf_prog_array *progs);
+bool bpf_prog_array_is_empty(struct bpf_prog_array *array);
+int bpf_prog_array_copy_to_user(struct bpf_prog_array *progs,
 				__u32 __user *prog_ids, u32 cnt);
 
-void bpf_prog_array_delete_safe(struct bpf_prog_array __rcu *progs,
+void bpf_prog_array_delete_safe(struct bpf_prog_array *progs,
 				struct bpf_prog *old_prog);
-int bpf_prog_array_copy_info(struct bpf_prog_array __rcu *array,
+int bpf_prog_array_copy_info(struct bpf_prog_array *array,
 			     u32 *prog_ids, u32 request_cnt,
 			     u32 *prog_cnt);
-int bpf_prog_array_copy(struct bpf_prog_array __rcu *old_array,
+int bpf_prog_array_copy(struct bpf_prog_array *old_array,
 			struct bpf_prog *exclude_prog,
 			struct bpf_prog *include_prog,
 			struct bpf_prog_array **new_array);
@@ -400,10 +554,60 @@
 		}					\
 _out:							\
 		rcu_read_unlock();			\
-		preempt_enable_no_resched();		\
+		preempt_enable();			\
 		_ret;					\
 	 })
 
+/* To be used by __cgroup_bpf_run_filter_skb for EGRESS BPF progs
+ * so BPF programs can request cwr for TCP packets.
+ *
+ * Current cgroup skb programs can only return 0 or 1 (0 to drop the
+ * packet. This macro changes the behavior so the low order bit
+ * indicates whether the packet should be dropped (0) or not (1)
+ * and the next bit is a congestion notification bit. This could be
+ * used by TCP to call tcp_enter_cwr()
+ *
+ * Hence, new allowed return values of CGROUP EGRESS BPF programs are:
+ *   0: drop packet
+ *   1: keep packet
+ *   2: drop packet and cn
+ *   3: keep packet and cn
+ *
+ * This macro then converts it to one of the NET_XMIT or an error
+ * code that is then interpreted as drop packet (and no cn):
+ *   0: NET_XMIT_SUCCESS  skb should be transmitted
+ *   1: NET_XMIT_DROP     skb should be dropped and cn
+ *   2: NET_XMIT_CN       skb should be transmitted and cn
+ *   3: -EPERM            skb should be dropped
+ */
+#define BPF_PROG_CGROUP_INET_EGRESS_RUN_ARRAY(array, ctx, func)		\
+	({						\
+		struct bpf_prog_array_item *_item;	\
+		struct bpf_prog *_prog;			\
+		struct bpf_prog_array *_array;		\
+		u32 ret;				\
+		u32 _ret = 1;				\
+		u32 _cn = 0;				\
+		preempt_disable();			\
+		rcu_read_lock();			\
+		_array = rcu_dereference(array);	\
+		_item = &_array->items[0];		\
+		while ((_prog = READ_ONCE(_item->prog))) {		\
+			bpf_cgroup_storage_set(_item->cgroup_storage);	\
+			ret = func(_prog, ctx);		\
+			_ret &= (ret & 1);		\
+			_cn |= (ret & 2);		\
+			_item++;			\
+		}					\
+		rcu_read_unlock();			\
+		preempt_enable();			\
+		if (_ret)				\
+			_ret = (_cn ? NET_XMIT_CN : NET_XMIT_SUCCESS);	\
+		else					\
+			_ret = (_cn ? NET_XMIT_DROP : -EPERM);		\
+		_ret;					\
+	})
+
 #define BPF_PROG_RUN_ARRAY(array, ctx, func)		\
 	__BPF_PROG_RUN_ARRAY(array, ctx, func, false)
 
@@ -446,12 +650,17 @@
 struct bpf_map *bpf_map_get_with_uref(u32 ufd);
 struct bpf_map *__bpf_map_get(struct fd f);
 struct bpf_map * __must_check bpf_map_inc(struct bpf_map *map, bool uref);
+struct bpf_map * __must_check bpf_map_inc_not_zero(struct bpf_map *map,
+						   bool uref);
 void bpf_map_put_with_uref(struct bpf_map *map);
 void bpf_map_put(struct bpf_map *map);
-int bpf_map_precharge_memlock(u32 pages);
 int bpf_map_charge_memlock(struct bpf_map *map, u32 pages);
 void bpf_map_uncharge_memlock(struct bpf_map *map, u32 pages);
-void *bpf_map_area_alloc(size_t size, int numa_node);
+int bpf_map_charge_init(struct bpf_map_memory *mem, u64 size);
+void bpf_map_charge_finish(struct bpf_map_memory *mem);
+void bpf_map_charge_move(struct bpf_map_memory *dst,
+			 struct bpf_map_memory *src);
+void *bpf_map_area_alloc(u64 size, int numa_node);
 void bpf_map_area_free(void *base);
 void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr);
 
@@ -500,7 +709,8 @@
 }
 
 /* verify correctness of eBPF program */
-int bpf_check(struct bpf_prog **fp, union bpf_attr *attr);
+int bpf_check(struct bpf_prog **fp, union bpf_attr *attr,
+	      union bpf_attr __user *uattr);
 void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth);
 
 /* Map specifics */
@@ -508,7 +718,7 @@
 struct sk_buff;
 
 struct bpf_dtab_netdev *__dev_map_lookup_elem(struct bpf_map *map, u32 key);
-void __dev_map_insert_ctx(struct bpf_map *map, u32 index);
+struct bpf_dtab_netdev *__dev_map_hash_lookup_elem(struct bpf_map *map, u32 key);
 void __dev_map_flush(struct bpf_map *map);
 int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp,
 		    struct net_device *dev_rx);
@@ -516,7 +726,6 @@
 			     struct bpf_prog *xdp_prog);
 
 struct bpf_cpu_map_entry *__cpu_map_lookup_elem(struct bpf_map *map, u32 key);
-void __cpu_map_insert_ctx(struct bpf_map *map, u32 index);
 void __cpu_map_flush(struct bpf_map *map);
 int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_buff *xdp,
 		    struct net_device *dev_rx);
@@ -531,6 +740,13 @@
 struct bpf_prog *bpf_prog_get_type_path(const char *name, enum bpf_prog_type type);
 int array_map_alloc_check(union bpf_attr *attr);
 
+int bpf_prog_test_run_xdp(struct bpf_prog *prog, const union bpf_attr *kattr,
+			  union bpf_attr __user *uattr);
+int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
+			  union bpf_attr __user *uattr);
+int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
+				     const union bpf_attr *kattr,
+				     union bpf_attr __user *uattr);
 #else /* !CONFIG_BPF_SYSCALL */
 static inline struct bpf_prog *bpf_prog_get(u32 ufd)
 {
@@ -589,8 +805,10 @@
 	return NULL;
 }
 
-static inline void __dev_map_insert_ctx(struct bpf_map *map, u32 index)
+static inline struct net_device  *__dev_map_hash_lookup_elem(struct bpf_map *map,
+							     u32 key)
 {
+	return NULL;
 }
 
 static inline void __dev_map_flush(struct bpf_map *map)
@@ -622,10 +840,6 @@
 	return NULL;
 }
 
-static inline void __cpu_map_insert_ctx(struct bpf_map *map, u32 index)
-{
-}
-
 static inline void __cpu_map_flush(struct bpf_map *map)
 {
 }
@@ -642,6 +856,27 @@
 {
 	return ERR_PTR(-EOPNOTSUPP);
 }
+
+static inline int bpf_prog_test_run_xdp(struct bpf_prog *prog,
+					const union bpf_attr *kattr,
+					union bpf_attr __user *uattr)
+{
+	return -ENOTSUPP;
+}
+
+static inline int bpf_prog_test_run_skb(struct bpf_prog *prog,
+					const union bpf_attr *kattr,
+					union bpf_attr __user *uattr)
+{
+	return -ENOTSUPP;
+}
+
+static inline int bpf_prog_test_run_flow_dissector(struct bpf_prog *prog,
+						   const union bpf_attr *kattr,
+						   union bpf_attr __user *uattr)
+{
+	return -ENOTSUPP;
+}
 #endif /* CONFIG_BPF_SYSCALL */
 
 static inline struct bpf_prog *bpf_prog_get_type(u32 ufd,
@@ -668,8 +903,10 @@
 
 bool bpf_offload_prog_map_match(struct bpf_prog *prog, struct bpf_map *map);
 
-struct bpf_offload_dev *bpf_offload_dev_create(void);
+struct bpf_offload_dev *
+bpf_offload_dev_create(const struct bpf_prog_offload_ops *ops, void *priv);
 void bpf_offload_dev_destroy(struct bpf_offload_dev *offdev);
+void *bpf_offload_dev_priv(struct bpf_offload_dev *offdev);
 int bpf_offload_dev_netdev_register(struct bpf_offload_dev *offdev,
 				    struct net_device *netdev);
 void bpf_offload_dev_netdev_unregister(struct bpf_offload_dev *offdev,
@@ -718,33 +955,18 @@
 }
 #endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */
 
-#if defined(CONFIG_STREAM_PARSER) && defined(CONFIG_BPF_SYSCALL) && defined(CONFIG_INET)
-struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key);
-struct sock  *__sock_hash_lookup_elem(struct bpf_map *map, void *key);
-int sock_map_prog(struct bpf_map *map, struct bpf_prog *prog, u32 type);
-int sockmap_get_from_fd(const union bpf_attr *attr, int type,
-			struct bpf_prog *prog);
+#if defined(CONFIG_BPF_STREAM_PARSER)
+int sock_map_prog_update(struct bpf_map *map, struct bpf_prog *prog, u32 which);
+int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog);
 #else
-static inline struct sock  *__sock_map_lookup_elem(struct bpf_map *map, u32 key)
-{
-	return NULL;
-}
-
-static inline struct sock  *__sock_hash_lookup_elem(struct bpf_map *map,
-						    void *key)
-{
-	return NULL;
-}
-
-static inline int sock_map_prog(struct bpf_map *map,
-				struct bpf_prog *prog,
-				u32 type)
+static inline int sock_map_prog_update(struct bpf_map *map,
+				       struct bpf_prog *prog, u32 which)
 {
 	return -EOPNOTSUPP;
 }
 
-static inline int sockmap_get_from_fd(const union bpf_attr *attr, int type,
-				      struct bpf_prog *prog)
+static inline int sock_map_get_from_fd(const union bpf_attr *attr,
+				       struct bpf_prog *prog)
 {
 	return -EINVAL;
 }
@@ -806,6 +1028,9 @@
 extern const struct bpf_func_proto bpf_map_lookup_elem_proto;
 extern const struct bpf_func_proto bpf_map_update_elem_proto;
 extern const struct bpf_func_proto bpf_map_delete_elem_proto;
+extern const struct bpf_func_proto bpf_map_push_elem_proto;
+extern const struct bpf_func_proto bpf_map_pop_elem_proto;
+extern const struct bpf_func_proto bpf_map_peek_elem_proto;
 
 extern const struct bpf_func_proto bpf_get_prandom_u32_proto;
 extern const struct bpf_func_proto bpf_get_smp_processor_id_proto;
@@ -820,11 +1045,104 @@
 extern const struct bpf_func_proto bpf_sock_map_update_proto;
 extern const struct bpf_func_proto bpf_sock_hash_update_proto;
 extern const struct bpf_func_proto bpf_get_current_cgroup_id_proto;
-
+extern const struct bpf_func_proto bpf_msg_redirect_hash_proto;
+extern const struct bpf_func_proto bpf_msg_redirect_map_proto;
+extern const struct bpf_func_proto bpf_sk_redirect_hash_proto;
+extern const struct bpf_func_proto bpf_sk_redirect_map_proto;
+extern const struct bpf_func_proto bpf_spin_lock_proto;
+extern const struct bpf_func_proto bpf_spin_unlock_proto;
 extern const struct bpf_func_proto bpf_get_local_storage_proto;
+extern const struct bpf_func_proto bpf_strtol_proto;
+extern const struct bpf_func_proto bpf_strtoul_proto;
+extern const struct bpf_func_proto bpf_tcp_sock_proto;
 
 /* Shared helpers among cBPF and eBPF. */
 void bpf_user_rnd_init_once(void);
 u64 bpf_user_rnd_u32(u64 r1, u64 r2, u64 r3, u64 r4, u64 r5);
 
+#if defined(CONFIG_NET)
+bool bpf_sock_common_is_valid_access(int off, int size,
+				     enum bpf_access_type type,
+				     struct bpf_insn_access_aux *info);
+bool bpf_sock_is_valid_access(int off, int size, enum bpf_access_type type,
+			      struct bpf_insn_access_aux *info);
+u32 bpf_sock_convert_ctx_access(enum bpf_access_type type,
+				const struct bpf_insn *si,
+				struct bpf_insn *insn_buf,
+				struct bpf_prog *prog,
+				u32 *target_size);
+#else
+static inline bool bpf_sock_common_is_valid_access(int off, int size,
+						   enum bpf_access_type type,
+						   struct bpf_insn_access_aux *info)
+{
+	return false;
+}
+static inline bool bpf_sock_is_valid_access(int off, int size,
+					    enum bpf_access_type type,
+					    struct bpf_insn_access_aux *info)
+{
+	return false;
+}
+static inline u32 bpf_sock_convert_ctx_access(enum bpf_access_type type,
+					      const struct bpf_insn *si,
+					      struct bpf_insn *insn_buf,
+					      struct bpf_prog *prog,
+					      u32 *target_size)
+{
+	return 0;
+}
+#endif
+
+#ifdef CONFIG_INET
+bool bpf_tcp_sock_is_valid_access(int off, int size, enum bpf_access_type type,
+				  struct bpf_insn_access_aux *info);
+
+u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type,
+				    const struct bpf_insn *si,
+				    struct bpf_insn *insn_buf,
+				    struct bpf_prog *prog,
+				    u32 *target_size);
+
+bool bpf_xdp_sock_is_valid_access(int off, int size, enum bpf_access_type type,
+				  struct bpf_insn_access_aux *info);
+
+u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type,
+				    const struct bpf_insn *si,
+				    struct bpf_insn *insn_buf,
+				    struct bpf_prog *prog,
+				    u32 *target_size);
+#else
+static inline bool bpf_tcp_sock_is_valid_access(int off, int size,
+						enum bpf_access_type type,
+						struct bpf_insn_access_aux *info)
+{
+	return false;
+}
+
+static inline u32 bpf_tcp_sock_convert_ctx_access(enum bpf_access_type type,
+						  const struct bpf_insn *si,
+						  struct bpf_insn *insn_buf,
+						  struct bpf_prog *prog,
+						  u32 *target_size)
+{
+	return 0;
+}
+static inline bool bpf_xdp_sock_is_valid_access(int off, int size,
+						enum bpf_access_type type,
+						struct bpf_insn_access_aux *info)
+{
+	return false;
+}
+
+static inline u32 bpf_xdp_sock_convert_ctx_access(enum bpf_access_type type,
+						  const struct bpf_insn *si,
+						  struct bpf_insn *insn_buf,
+						  struct bpf_prog *prog,
+						  u32 *target_size)
+{
+	return 0;
+}
+#endif /* CONFIG_INET */
+
 #endif /* _LINUX_BPF_H */