4 files changed, 8 insertions, 0 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 9c88f6e..592a58a 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1
+
 /*
  * common eBPF ELF operations.
  *
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 9f44c19..8d18fb7 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+
 /*
  * common eBPF ELF operations.
  *
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index c60122d..71ddc48 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-2.1
+
 /*
  * Common eBPF ELF object loading operations.
  *
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index e42f969..f859065 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+
 /*
  * Common eBPF ELF object loading operations.
  *