3 files changed, 36 insertions, 24 deletions

diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 3de24cfb7a3d..1697bd87fc06 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -189,7 +189,7 @@ struct btf_field_kptr {
 	u32 btf_id;
 };
 
-struct btf_field_list_head {
+struct btf_field_graph_root {
 	struct btf *btf;
 	u32 value_btf_id;
 	u32 node_offset;
@@ -201,7 +201,7 @@ struct btf_field {
 	enum btf_field_type type;
 	union {
 		struct btf_field_kptr kptr;
-		struct btf_field_list_head list_head;
+		struct btf_field_graph_root graph_root;
 	};
 };
 
@@ -2795,10 +2795,18 @@ struct btf_id_set;
 bool btf_id_set_contains(const struct btf_id_set *set, u32 id);
 
 #define MAX_BPRINTF_VARARGS		12
+#define MAX_BPRINTF_BUF			1024
+
+struct bpf_bprintf_data {
+	u32 *bin_args;
+	char *buf;
+	bool get_bin_args;
+	bool get_buf;
+};
 
 int bpf_bprintf_prepare(char *fmt, u32 fmt_size, const u64 *raw_args,
-			u32 **bin_buf, u32 num_args);
-void bpf_bprintf_cleanup(void);
+			u32 num_args, struct bpf_bprintf_data *data);
+void bpf_bprintf_cleanup(struct bpf_bprintf_data *data);
 
 /* the implementation of the opaque uapi struct bpf_dynptr */
 struct bpf_dynptr_kern {
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 53d175cbaa02..127058cfec47 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -92,6 +92,26 @@ struct bpf_reg_state {
 
 		u32 subprogno; /* for PTR_TO_FUNC */
 	};
+	/* For scalar types (SCALAR_VALUE), this represents our knowledge of
+	 * the actual value.
+	 * For pointer types, this represents the variable part of the offset
+	 * from the pointed-to object, and is shared with all bpf_reg_states
+	 * with the same id as us.
+	 */
+	struct tnum var_off;
+	/* Used to determine if any memory access using this register will
+	 * result in a bad access.
+	 * These refer to the same value as var_off, not necessarily the actual
+	 * contents of the register.
+	 */
+	s64 smin_value; /* minimum possible (s64)value */
+	s64 smax_value; /* maximum possible (s64)value */
+	u64 umin_value; /* minimum possible (u64)value */
+	u64 umax_value; /* maximum possible (u64)value */
+	s32 s32_min_value; /* minimum possible (s32)value */
+	s32 s32_max_value; /* maximum possible (s32)value */
+	u32 u32_min_value; /* minimum possible (u32)value */
+	u32 u32_max_value; /* maximum possible (u32)value */
 	/* For PTR_TO_PACKET, used to find other pointers with the same variable
 	 * offset, so they can share range knowledge.
 	 * For PTR_TO_MAP_VALUE_OR_NULL this is used to share which map value we
@@ -144,26 +164,6 @@ struct bpf_reg_state {
 	 * allowed and has the same effect as bpf_sk_release(sk).
 	 */
 	u32 ref_obj_id;
-	/* For scalar types (SCALAR_VALUE), this represents our knowledge of
-	 * the actual value.
-	 * For pointer types, this represents the variable part of the offset
-	 * from the pointed-to object, and is shared with all bpf_reg_states
-	 * with the same id as us.
-	 */
-	struct tnum var_off;
-	/* Used to determine if any memory access using this register will
-	 * result in a bad access.
-	 * These refer to the same value as var_off, not necessarily the actual
-	 * contents of the register.
-	 */
-	s64 smin_value; /* minimum possible (s64)value */
-	s64 smax_value; /* maximum possible (s64)value */
-	u64 umin_value; /* minimum possible (u64)value */
-	u64 umax_value; /* maximum possible (u64)value */
-	s32 s32_min_value; /* minimum possible (s32)value */
-	s32 s32_max_value; /* maximum possible (s32)value */
-	u32 u32_min_value; /* minimum possible (u32)value */
-	u32 u32_max_value; /* maximum possible (u32)value */
 	/* parentage chain for liveness checking */
 	struct bpf_reg_state *parent;
 	/* Inside the callee two registers can be both PTR_TO_STACK like
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 464ca3f01fe7..bc1a3d232ae4 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -2001,6 +2001,9 @@ union bpf_attr {
  * 			sending the packet. This flag was added for GRE
  * 			encapsulation, but might be used with other protocols
  * 			as well in the future.
+ * 		**BPF_F_NO_TUNNEL_KEY**
+ * 			Add a flag to tunnel metadata indicating that no tunnel
+ * 			key should be set in the resulting tunnel header.
  *
  * 		Here is a typical usage on the transmit path:
  *
@@ -5764,6 +5767,7 @@ enum {
 	BPF_F_ZERO_CSUM_TX		= (1ULL << 1),
 	BPF_F_DONT_FRAGMENT		= (1ULL << 2),
 	BPF_F_SEQ_NUMBER		= (1ULL << 3),
+	BPF_F_NO_TUNNEL_KEY		= (1ULL << 4),
 };
 
 /* BPF_FUNC_skb_get_tunnel_key flags. */