2 files changed, 56 insertions, 26 deletions
diff --git a/include/linux/bpf-netns.h b/include/linux/bpf-netns.h
new file mode 100644
index 000000000000..f3aec3d79824
--- /dev/null
+++ b/include/linux/bpf-netns.h
@@ -0,0 +1,56 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _BPF_NETNS_H
+#define _BPF_NETNS_H
+
+#include <linux/mutex.h>
+#include <uapi/linux/bpf.h>
+
+enum netns_bpf_attach_type {
+	NETNS_BPF_INVALID = -1,
+	NETNS_BPF_FLOW_DISSECTOR = 0,
+	MAX_NETNS_BPF_ATTACH_TYPE
+};
+
+static inline enum netns_bpf_attach_type
+to_netns_bpf_attach_type(enum bpf_attach_type attach_type)
+{
+	switch (attach_type) {
+	case BPF_FLOW_DISSECTOR:
+		return NETNS_BPF_FLOW_DISSECTOR;
+	default:
+		return NETNS_BPF_INVALID;
+	}
+}
+
+/* Protects updates to netns_bpf */
+extern struct mutex netns_bpf_mutex;
+
+union bpf_attr;
+struct bpf_prog;
+
+#ifdef CONFIG_NET
+int netns_bpf_prog_query(const union bpf_attr *attr,
+			 union bpf_attr __user *uattr);
+int netns_bpf_prog_attach(const union bpf_attr *attr,
+			  struct bpf_prog *prog);
+int netns_bpf_prog_detach(const union bpf_attr *attr);
+#else
+static inline int netns_bpf_prog_query(const union bpf_attr *attr,
+				       union bpf_attr __user *uattr)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
+					struct bpf_prog *prog)
+{
+	return -EOPNOTSUPP;
+}
+
+static inline int netns_bpf_prog_detach(const union bpf_attr *attr)
+{
+	return -EOPNOTSUPP;
+}
+#endif
+
+#endif /* _BPF_NETNS_H */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 531843952809..a0d5c2760103 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1283,32 +1283,6 @@ void skb_flow_dissector_init(struct flow_dissector *flow_dissector,
 			     const struct flow_dissector_key *key,
 			     unsigned int key_count);
 
-#ifdef CONFIG_NET
-int skb_flow_dissector_prog_query(const union bpf_attr *attr,
-				  union bpf_attr __user *uattr);
-int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
-				       struct bpf_prog *prog);
-
-int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr);
-#else
-static inline int skb_flow_dissector_prog_query(const union bpf_attr *attr,
-						union bpf_attr __user *uattr)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int skb_flow_dissector_bpf_prog_attach(const union bpf_attr *attr,
-						     struct bpf_prog *prog)
-{
-	return -EOPNOTSUPP;
-}
-
-static inline int skb_flow_dissector_bpf_prog_detach(const union bpf_attr *attr)
-{
-	return -EOPNOTSUPP;
-}
-#endif
-
 struct bpf_flow_dissector;
 bool bpf_flow_dissect(struct bpf_prog *prog, struct bpf_flow_dissector *ctx,
 		      __be16 proto, int nhoff, int hlen, unsigned int flags);