[legal] Add a selection of FILE_LICENCE declarations

Add FILE_LICENCE declarations to almost all files that make up the
various standard builds of gPXE.

128 files changed, 256 insertions, 0 deletions

diff --git a/src/include/gpxe/acpi.h b/src/include/gpxe/acpi.h
index 33b1b2b71..12edda90a 100644
--- a/src/include/gpxe/acpi.h
+++ b/src/include/gpxe/acpi.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**
diff --git a/src/include/gpxe/aes.h b/src/include/gpxe/aes.h
index bdb4b351e..bdc32bd63 100644
--- a/src/include/gpxe/aes.h
+++ b/src/include/gpxe/aes.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_AES_H
 #define _GPXE_AES_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct cipher_algorithm;
 
 extern struct cipher_algorithm aes_cbc_algorithm;
diff --git a/src/include/gpxe/ansiesc.h b/src/include/gpxe/ansiesc.h
index ccc4ca657..85f7a9f32 100644
--- a/src/include/gpxe/ansiesc.h
+++ b/src/include/gpxe/ansiesc.h
@@ -26,6 +26,8 @@
  * 
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A handler for an escape sequence */
 struct ansiesc_handler {
 	/** The control function identifier
diff --git a/src/include/gpxe/aoe.h b/src/include/gpxe/aoe.h
index 6de6b9653..6b42fd5b4 100644
--- a/src/include/gpxe/aoe.h
+++ b/src/include/gpxe/aoe.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/list.h>
 #include <gpxe/if_ether.h>
diff --git a/src/include/gpxe/api.h b/src/include/gpxe/api.h
index df5d1ae3e..ff2ba595f 100644
--- a/src/include/gpxe/api.h
+++ b/src/include/gpxe/api.h
@@ -11,6 +11,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** @defgroup Single-implementation APIs
  *
  * These are APIs for which only a single implementation may be
diff --git a/src/include/gpxe/arp.h b/src/include/gpxe/arp.h
index 7dcc77930..0623d35c4 100644
--- a/src/include/gpxe/arp.h
+++ b/src/include/gpxe/arp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 struct net_device;
diff --git a/src/include/gpxe/asn1.h b/src/include/gpxe/asn1.h
index 5440c48ca..477c209d3 100644
--- a/src/include/gpxe/asn1.h
+++ b/src/include/gpxe/asn1.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #define ASN1_INTEGER 0x02
 #define ASN1_BIT_STRING 0x03
 #define ASN1_OCTET_STRING 0x04
diff --git a/src/include/gpxe/ata.h b/src/include/gpxe/ata.h
index b6da39302..643b7cd9d 100644
--- a/src/include/gpxe/ata.h
+++ b/src/include/gpxe/ata.h
@@ -12,6 +12,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * An ATA Logical Block Address
  *
diff --git a/src/include/gpxe/base64.h b/src/include/gpxe/base64.h
index 3321971a1..e38bef012 100644
--- a/src/include/gpxe/base64.h
+++ b/src/include/gpxe/base64.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**
diff --git a/src/include/gpxe/bitbash.h b/src/include/gpxe/bitbash.h
index 62bdce004..f2ba9f7a4 100644
--- a/src/include/gpxe/bitbash.h
+++ b/src/include/gpxe/bitbash.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct bit_basher;
 
 /** Bit-bashing operations */
diff --git a/src/include/gpxe/bitmap.h b/src/include/gpxe/bitmap.h
index 0c2f53c8a..d6911a51d 100644
--- a/src/include/gpxe/bitmap.h
+++ b/src/include/gpxe/bitmap.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 #include <stdlib.h>
diff --git a/src/include/gpxe/bitops.h b/src/include/gpxe/bitops.h
index 5405c8544..8db34312a 100644
--- a/src/include/gpxe/bitops.h
+++ b/src/include/gpxe/bitops.h
@@ -19,6 +19,8 @@
  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * @file
  *
diff --git a/src/include/gpxe/blockdev.h b/src/include/gpxe/blockdev.h
index 8222984a8..cf28524de 100644
--- a/src/include/gpxe/blockdev.h
+++ b/src/include/gpxe/blockdev.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/uaccess.h>
 
 struct block_device;
diff --git a/src/include/gpxe/cbc.h b/src/include/gpxe/cbc.h
index fcc115eb1..1262f1dbd 100644
--- a/src/include/gpxe/cbc.h
+++ b/src/include/gpxe/cbc.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/crypto.h>
 
 /**
diff --git a/src/include/gpxe/chap.h b/src/include/gpxe/chap.h
index 87e5484f3..e86ede357 100644
--- a/src/include/gpxe/chap.h
+++ b/src/include/gpxe/chap.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/md5.h>
 
diff --git a/src/include/gpxe/command.h b/src/include/gpxe/command.h
index 39bed4777..51ca6d6d5 100644
--- a/src/include/gpxe/command.h
+++ b/src/include/gpxe/command.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_COMMAND_H
 #define _GPXE_COMMAND_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 /** A command-line command */
diff --git a/src/include/gpxe/cpio.h b/src/include/gpxe/cpio.h
index ba6f844a5..f462cec15 100644
--- a/src/include/gpxe/cpio.h
+++ b/src/include/gpxe/cpio.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A CPIO archive header
  *
  * All field are hexadecimal ASCII numbers padded with '0' on the
diff --git a/src/include/gpxe/crypto.h b/src/include/gpxe/crypto.h
index 10882d37e..3831b79c7 100644
--- a/src/include/gpxe/crypto.h
+++ b/src/include/gpxe/crypto.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 
diff --git a/src/include/gpxe/device.h b/src/include/gpxe/device.h
index 9017f9b9d..1db3ff906 100644
--- a/src/include/gpxe/device.h
+++ b/src/include/gpxe/device.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/list.h>
 #include <gpxe/tables.h>
 
diff --git a/src/include/gpxe/dhcp.h b/src/include/gpxe/dhcp.h
index 33e0c5d47..74741d969 100644
--- a/src/include/gpxe/dhcp.h
+++ b/src/include/gpxe/dhcp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 #include <gpxe/list.h>
diff --git a/src/include/gpxe/dhcpopts.h b/src/include/gpxe/dhcpopts.h
index 8391a9d4e..3d90f4116 100644
--- a/src/include/gpxe/dhcpopts.h
+++ b/src/include/gpxe/dhcpopts.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /** A DHCP options block */
diff --git a/src/include/gpxe/dhcppkt.h b/src/include/gpxe/dhcppkt.h
index e8f8fafd9..6007ccabe 100644
--- a/src/include/gpxe/dhcppkt.h
+++ b/src/include/gpxe/dhcppkt.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/dhcp.h>
 #include <gpxe/dhcpopts.h>
 #include <gpxe/refcnt.h>
diff --git a/src/include/gpxe/dns.h b/src/include/gpxe/dns.h
index 3e3cff1bc..9e5e874fe 100644
--- a/src/include/gpxe/dns.h
+++ b/src/include/gpxe/dns.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 
diff --git a/src/include/gpxe/downloader.h b/src/include/gpxe/downloader.h
index 33aa76921..7f21e07bf 100644
--- a/src/include/gpxe/downloader.h
+++ b/src/include/gpxe/downloader.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct job_interface;
 struct image;
 
diff --git a/src/include/gpxe/editbox.h b/src/include/gpxe/editbox.h
index 007b042f8..b7cc411b5 100644
--- a/src/include/gpxe/editbox.h
+++ b/src/include/gpxe/editbox.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <curses.h>
 #include <gpxe/editstring.h>
 
diff --git a/src/include/gpxe/editstring.h b/src/include/gpxe/editstring.h
index fad8bd5a7..48c1baa0d 100644
--- a/src/include/gpxe/editstring.h
+++ b/src/include/gpxe/editstring.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** An editable string */
 struct edit_string {
 	/** Buffer for string */
diff --git a/src/include/gpxe/efi/efi_io.h b/src/include/gpxe/efi/efi_io.h
index 93f559db0..7ad5ffe70 100644
--- a/src/include/gpxe/efi/efi_io.h
+++ b/src/include/gpxe/efi/efi_io.h
@@ -10,6 +10,8 @@
  * no-ops.  I/O is handled using the EFI_CPU_IO_PROTOCOL.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef IOAPI_EFI
 #define IOAPI_PREFIX_efi
 #else
diff --git a/src/include/gpxe/efi/efi_pci.h b/src/include/gpxe/efi/efi_pci.h
index 8be331abd..59c0eb1d4 100644
--- a/src/include/gpxe/efi/efi_pci.h
+++ b/src/include/gpxe/efi/efi_pci.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef PCIAPI_EFI
 #define PCIAPI_PREFIX_efi
 #else
diff --git a/src/include/gpxe/efi/efi_smbios.h b/src/include/gpxe/efi/efi_smbios.h
index df947de56..01631e525 100644
--- a/src/include/gpxe/efi/efi_smbios.h
+++ b/src/include/gpxe/efi/efi_smbios.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef SMBIOS_EFI
 #define SMBIOS_PREFIX_efi
 #else
diff --git a/src/include/gpxe/efi/efi_timer.h b/src/include/gpxe/efi/efi_timer.h
index c332c9d6f..e0531d5af 100644
--- a/src/include/gpxe/efi/efi_timer.h
+++ b/src/include/gpxe/efi/efi_timer.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef TIMER_EFI
 #define TIMER_PREFIX_efi
 #else
diff --git a/src/include/gpxe/efi/efi_uaccess.h b/src/include/gpxe/efi/efi_uaccess.h
index bae5fb41f..a6b61c58d 100644
--- a/src/include/gpxe/efi/efi_uaccess.h
+++ b/src/include/gpxe/efi/efi_uaccess.h
@@ -10,6 +10,8 @@
  * no-ops.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef UACCESS_EFI
 #define UACCESS_PREFIX_efi
 #else
diff --git a/src/include/gpxe/efi/efi_umalloc.h b/src/include/gpxe/efi/efi_umalloc.h
index def17b2d9..0388dd10f 100644
--- a/src/include/gpxe/efi/efi_umalloc.h
+++ b/src/include/gpxe/efi/efi_umalloc.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef UMALLOC_EFI
 #define UMALLOC_PREFIX_efi
 #else
diff --git a/src/include/gpxe/eisa.h b/src/include/gpxe/eisa.h
index cde46af2f..f76e4b9d0 100644
--- a/src/include/gpxe/eisa.h
+++ b/src/include/gpxe/eisa.h
@@ -1,6 +1,8 @@
 #ifndef EISA_H
 #define EISA_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/isa_ids.h>
 #include <gpxe/device.h>
diff --git a/src/include/gpxe/elf.h b/src/include/gpxe/elf.h
index db28a60af..da9d2fc07 100644
--- a/src/include/gpxe/elf.h
+++ b/src/include/gpxe/elf.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <elf.h>
 
 extern int elf_load ( struct image *image );
diff --git a/src/include/gpxe/errfile.h b/src/include/gpxe/errfile.h
index dcfd4e4a1..7ca9c9989 100644
--- a/src/include/gpxe/errfile.h
+++ b/src/include/gpxe/errfile.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <bits/errfile.h>
 
 /**
diff --git a/src/include/gpxe/errortab.h b/src/include/gpxe/errortab.h
index d519f68ce..35765d48d 100644
--- a/src/include/gpxe/errortab.h
+++ b/src/include/gpxe/errortab.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 struct errortab {
diff --git a/src/include/gpxe/ethernet.h b/src/include/gpxe/ethernet.h
index ff0fd6c11..45ab9a092 100644
--- a/src/include/gpxe/ethernet.h
+++ b/src/include/gpxe/ethernet.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/netdevice.h>
 #include <gpxe/if_ether.h>
diff --git a/src/include/gpxe/fakedhcp.h b/src/include/gpxe/fakedhcp.h
index 550b74f73..c603bdc40 100644
--- a/src/include/gpxe/fakedhcp.h
+++ b/src/include/gpxe/fakedhcp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 struct net_device;
diff --git a/src/include/gpxe/features.h b/src/include/gpxe/features.h
index 8d3977cb6..db485bc27 100644
--- a/src/include/gpxe/features.h
+++ b/src/include/gpxe/features.h
@@ -11,6 +11,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * @defgroup featurecat Feature categories
  * @{
diff --git a/src/include/gpxe/filter.h b/src/include/gpxe/filter.h
index 126f63471..1f59fccc6 100644
--- a/src/include/gpxe/filter.h
+++ b/src/include/gpxe/filter.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <gpxe/xfer.h>
 
diff --git a/src/include/gpxe/ftp.h b/src/include/gpxe/ftp.h
index 370285c6a..93194f658 100644
--- a/src/include/gpxe/ftp.h
+++ b/src/include/gpxe/ftp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** FTP default port */
 #define FTP_PORT 21
 
diff --git a/src/include/gpxe/gdbserial.h b/src/include/gpxe/gdbserial.h
index 1863e9076..2613ab47b 100644
--- a/src/include/gpxe/gdbserial.h
+++ b/src/include/gpxe/gdbserial.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct gdb_transport;
 
 /**
diff --git a/src/include/gpxe/gdbstub.h b/src/include/gpxe/gdbstub.h
index 2e2c4dab4..8f9b7c1da 100644
--- a/src/include/gpxe/gdbstub.h
+++ b/src/include/gpxe/gdbstub.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/tables.h>
 #include <gdbmach.h>
diff --git a/src/include/gpxe/gdbudp.h b/src/include/gpxe/gdbudp.h
index 1a990933a..5f02faaa9 100644
--- a/src/include/gpxe/gdbudp.h
+++ b/src/include/gpxe/gdbudp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct sockaddr_in;
 struct gdb_transport;
 
diff --git a/src/include/gpxe/hidemem.h b/src/include/gpxe/hidemem.h
index 010fdb582..01b3fc242 100644
--- a/src/include/gpxe/hidemem.h
+++ b/src/include/gpxe/hidemem.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 extern void hide_umalloc ( physaddr_t start, physaddr_t end );
diff --git a/src/include/gpxe/hmac.h b/src/include/gpxe/hmac.h
index 67aefdce1..cb001b9d3 100644
--- a/src/include/gpxe/hmac.h
+++ b/src/include/gpxe/hmac.h
@@ -6,6 +6,8 @@
  * Keyed-Hashing for Message Authentication
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/crypto.h>
 
 /**
diff --git a/src/include/gpxe/http.h b/src/include/gpxe/http.h
index fa92a9505..baa6d83ee 100644
--- a/src/include/gpxe/http.h
+++ b/src/include/gpxe/http.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** HTTP default port */
 #define HTTP_PORT 80
 
diff --git a/src/include/gpxe/i2c.h b/src/include/gpxe/i2c.h
index 9d2295465..87b89d46a 100644
--- a/src/include/gpxe/i2c.h
+++ b/src/include/gpxe/i2c.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/bitbash.h>
 
diff --git a/src/include/gpxe/ib_mad.h b/src/include/gpxe/ib_mad.h
index 6c4e95b74..4544123c1 100644
--- a/src/include/gpxe/ib_mad.h
+++ b/src/include/gpxe/ib_mad.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/ib_packet.h>
 
diff --git a/src/include/gpxe/ib_packet.h b/src/include/gpxe/ib_packet.h
index 5374802c6..fb9591261 100644
--- a/src/include/gpxe/ib_packet.h
+++ b/src/include/gpxe/ib_packet.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct ib_device;
 struct ib_queue_pair;
 struct ib_address_vector;
diff --git a/src/include/gpxe/ib_sma.h b/src/include/gpxe/ib_sma.h
index 835ed4ead..af40a48a2 100644
--- a/src/include/gpxe/ib_sma.h
+++ b/src/include/gpxe/ib_sma.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 #include <gpxe/process.h>
 
diff --git a/src/include/gpxe/ib_smc.h b/src/include/gpxe/ib_smc.h
index bb9020bf6..fdd1c9cca 100644
--- a/src/include/gpxe/ib_smc.h
+++ b/src/include/gpxe/ib_smc.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 
 typedef int ( * ib_local_mad_t ) ( struct ib_device *ibdev,
diff --git a/src/include/gpxe/icmp.h b/src/include/gpxe/icmp.h
index 49ade2f2e..bb8fce8ba 100644
--- a/src/include/gpxe/icmp.h
+++ b/src/include/gpxe/icmp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** An ICMP header */
 struct icmp_header {
 	/** Type */
diff --git a/src/include/gpxe/icmp6.h b/src/include/gpxe/icmp6.h
index 340936165..e8fd1eb39 100644
--- a/src/include/gpxe/icmp6.h
+++ b/src/include/gpxe/icmp6.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/ip6.h>
 #include <gpxe/ndp.h>
 
diff --git a/src/include/gpxe/if_arp.h b/src/include/gpxe/if_arp.h
index 5b2503379..932bb3b2c 100644
--- a/src/include/gpxe/if_arp.h
+++ b/src/include/gpxe/if_arp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /* ARP protocol HARDWARE identifiers. */
diff --git a/src/include/gpxe/if_ether.h b/src/include/gpxe/if_ether.h
index 2f3f33d46..57f8e1219 100644
--- a/src/include/gpxe/if_ether.h
+++ b/src/include/gpxe/if_ether.h
@@ -1,6 +1,8 @@
 #ifndef	_GPXE_IF_ETHER_H
 #define	_GPXE_IF_ETHER_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 #define ETH_ALEN		6	/* Size of Ethernet address */
diff --git a/src/include/gpxe/image.h b/src/include/gpxe/image.h
index b40474671..10db8af21 100644
--- a/src/include/gpxe/image.h
+++ b/src/include/gpxe/image.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 #include <gpxe/list.h>
 #include <gpxe/uaccess.h>
diff --git a/src/include/gpxe/in.h b/src/include/gpxe/in.h
index 831a6110f..70271143a 100644
--- a/src/include/gpxe/in.h
+++ b/src/include/gpxe/in.h
@@ -1,6 +1,8 @@
 #ifndef	_GPXE_IN_H
 #define	_GPXE_IN_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/socket.h>
 
diff --git a/src/include/gpxe/infiniband.h b/src/include/gpxe/infiniband.h
index 196b59506..7d5442379 100644
--- a/src/include/gpxe/infiniband.h
+++ b/src/include/gpxe/infiniband.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/refcnt.h>
 #include <gpxe/device.h>
diff --git a/src/include/gpxe/init.h b/src/include/gpxe/init.h
index 5a51b033f..a72cba7a7 100644
--- a/src/include/gpxe/init.h
+++ b/src/include/gpxe/init.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_INIT_H
 #define _GPXE_INIT_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 /**
diff --git a/src/include/gpxe/interface.h b/src/include/gpxe/interface.h
index 94c711a99..114ebf32d 100644
--- a/src/include/gpxe/interface.h
+++ b/src/include/gpxe/interface.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/refcnt.h>
 
 /** An object communication interface */
diff --git a/src/include/gpxe/io.h b/src/include/gpxe/io.h
index ebb8ba30f..919823d98 100644
--- a/src/include/gpxe/io.h
+++ b/src/include/gpxe/io.h
@@ -16,6 +16,8 @@
  * the address parameter.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/api.h>
 #include <config/ioapi.h>
diff --git a/src/include/gpxe/iobuf.h b/src/include/gpxe/iobuf.h
index 6d1a58a44..8f05f9eae 100644
--- a/src/include/gpxe/iobuf.h
+++ b/src/include/gpxe/iobuf.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <assert.h>
 #include <gpxe/list.h>
diff --git a/src/include/gpxe/ip.h b/src/include/gpxe/ip.h
index b1b0c48c3..4342a0c71 100644
--- a/src/include/gpxe/ip.h
+++ b/src/include/gpxe/ip.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 #include <gpxe/list.h>
diff --git a/src/include/gpxe/ip6.h b/src/include/gpxe/ip6.h
index dc0ae31f8..edb2863c8 100644
--- a/src/include/gpxe/ip6.h
+++ b/src/include/gpxe/ip6.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/in.h>
 
diff --git a/src/include/gpxe/ipoib.h b/src/include/gpxe/ipoib.h
index 80adee5b0..5db238479 100644
--- a/src/include/gpxe/ipoib.h
+++ b/src/include/gpxe/ipoib.h
@@ -6,6 +6,8 @@
  * IP over Infiniband
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/infiniband.h>
 
 /** IPoIB packet length */
diff --git a/src/include/gpxe/isa.h b/src/include/gpxe/isa.h
index 458d754be..63027a5a4 100644
--- a/src/include/gpxe/isa.h
+++ b/src/include/gpxe/isa.h
@@ -1,6 +1,8 @@
 #ifndef	ISA_H
 #define ISA_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/isa_ids.h>
 #include <gpxe/device.h>
diff --git a/src/include/gpxe/isa_ids.h b/src/include/gpxe/isa_ids.h
index bf3f1015a..1faf1148d 100644
--- a/src/include/gpxe/isa_ids.h
+++ b/src/include/gpxe/isa_ids.h
@@ -19,6 +19,8 @@
  * the underlying "meaning" is big-endian.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <byteswap.h>
 
 /*
diff --git a/src/include/gpxe/isapnp.h b/src/include/gpxe/isapnp.h
index 633f7b0c5..b58a87e4f 100644
--- a/src/include/gpxe/isapnp.h
+++ b/src/include/gpxe/isapnp.h
@@ -33,6 +33,8 @@
 *
 ***************************************************************************/
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifndef ISAPNP_H
 #define ISAPNP_H
 
diff --git a/src/include/gpxe/iscsi.h b/src/include/gpxe/iscsi.h
index 0510974e8..9185d6240 100644
--- a/src/include/gpxe/iscsi.h
+++ b/src/include/gpxe/iscsi.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/socket.h>
 #include <gpxe/scsi.h>
diff --git a/src/include/gpxe/job.h b/src/include/gpxe/job.h
index 8e11aa337..733a711b7 100644
--- a/src/include/gpxe/job.h
+++ b/src/include/gpxe/job.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <gpxe/interface.h>
 
diff --git a/src/include/gpxe/keys.h b/src/include/gpxe/keys.h
index 3da8a1ff0..25bc9bc06 100644
--- a/src/include/gpxe/keys.h
+++ b/src/include/gpxe/keys.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /*
  * Symbolic names for some standard ASCII characters
  *
diff --git a/src/include/gpxe/linebuf.h b/src/include/gpxe/linebuf.h
index 676731a97..cfa21472f 100644
--- a/src/include/gpxe/linebuf.h
+++ b/src/include/gpxe/linebuf.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stddef.h>
 
diff --git a/src/include/gpxe/linux_compat.h b/src/include/gpxe/linux_compat.h
index 2c3cbbde0..577512eb6 100644
--- a/src/include/gpxe/linux_compat.h
+++ b/src/include/gpxe/linux_compat.h
@@ -10,6 +10,8 @@
  * intended to be a substitute for proper porting.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <errno.h>
 #include <stdio.h>
diff --git a/src/include/gpxe/list.h b/src/include/gpxe/list.h
index 602382be6..22ba20154 100644
--- a/src/include/gpxe/list.h
+++ b/src/include/gpxe/list.h
@@ -9,6 +9,8 @@
  * list.h.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 #include <stddef.h>
 #include <assert.h>
 
diff --git a/src/include/gpxe/login_ui.h b/src/include/gpxe/login_ui.h
index d92ba8f3d..4196f7b15 100644
--- a/src/include/gpxe/login_ui.h
+++ b/src/include/gpxe/login_ui.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 extern int login_ui ( void );
 
 #endif /* _GPXE_LOGIN_UI_H */
diff --git a/src/include/gpxe/malloc.h b/src/include/gpxe/malloc.h
index cce5d1d34..c02a86685 100644
--- a/src/include/gpxe/malloc.h
+++ b/src/include/gpxe/malloc.h
@@ -9,6 +9,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /*
  * Prototypes for the standard functions (malloc() et al) are in
  * stdlib.h.  Include <gpxe/malloc.h> only if you need the
diff --git a/src/include/gpxe/mca.h b/src/include/gpxe/mca.h
index d276acfe6..da9d73e44 100644
--- a/src/include/gpxe/mca.h
+++ b/src/include/gpxe/mca.h
@@ -5,6 +5,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifndef MCA_H
 #define MCA_H
 
diff --git a/src/include/gpxe/md5.h b/src/include/gpxe/md5.h
index f8976a19b..03d65c1a9 100644
--- a/src/include/gpxe/md5.h
+++ b/src/include/gpxe/md5.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_MD5_H
 #define _GPXE_MD5_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct digest_algorithm;
 
 #include <stdint.h>
diff --git a/src/include/gpxe/memmap.h b/src/include/gpxe/memmap.h
index 836a1b929..dc5bec3bf 100644
--- a/src/include/gpxe/memmap.h
+++ b/src/include/gpxe/memmap.h
@@ -10,6 +10,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** A usable memory region */
 struct memory_region {
 	/** Physical start address */
diff --git a/src/include/gpxe/monojob.h b/src/include/gpxe/monojob.h
index aaa38d03c..35ff4fd3c 100644
--- a/src/include/gpxe/monojob.h
+++ b/src/include/gpxe/monojob.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct job_interface;
 
 extern struct job_interface monojob;
diff --git a/src/include/gpxe/nap.h b/src/include/gpxe/nap.h
index f9ae3cf43..6c2e40cfb 100644
--- a/src/include/gpxe/nap.h
+++ b/src/include/gpxe/nap.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/api.h>
 #include <config/nap.h>
 
diff --git a/src/include/gpxe/netdevice.h b/src/include/gpxe/netdevice.h
index e4f5ed36a..a2d1e6927 100644
--- a/src/include/gpxe/netdevice.h
+++ b/src/include/gpxe/netdevice.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/list.h>
 #include <gpxe/tables.h>
diff --git a/src/include/gpxe/null_nap.h b/src/include/gpxe/null_nap.h
index 6dd0cda3e..0f46eaa22 100644
--- a/src/include/gpxe/null_nap.h
+++ b/src/include/gpxe/null_nap.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #ifdef NAP_NULL
 #define NAP_PREFIX_null
 #else
diff --git a/src/include/gpxe/nvo.h b/src/include/gpxe/nvo.h
index 28068f4b0..c96507061 100644
--- a/src/include/gpxe/nvo.h
+++ b/src/include/gpxe/nvo.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/dhcpopts.h>
 #include <gpxe/settings.h>
diff --git a/src/include/gpxe/nvs.h b/src/include/gpxe/nvs.h
index b026dd462..5c90c6556 100644
--- a/src/include/gpxe/nvs.h
+++ b/src/include/gpxe/nvs.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /** A non-volatile storage device */
diff --git a/src/include/gpxe/open.h b/src/include/gpxe/open.h
index 136ff87f8..ebf754da6 100644
--- a/src/include/gpxe/open.h
+++ b/src/include/gpxe/open.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdarg.h>
 #include <gpxe/tables.h>
 #include <gpxe/socket.h>
diff --git a/src/include/gpxe/pci.h b/src/include/gpxe/pci.h
index 11bb5a8d4..1789c62c4 100644
--- a/src/include/gpxe/pci.h
+++ b/src/include/gpxe/pci.h
@@ -16,6 +16,8 @@
  * your option) any later version.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 #include <stdint.h>
 #include <gpxe/device.h>
 #include <gpxe/tables.h>
diff --git a/src/include/gpxe/pci_ids.h b/src/include/gpxe/pci_ids.h
index 075ff96bc..f570c08f0 100644
--- a/src/include/gpxe/pci_ids.h
+++ b/src/include/gpxe/pci_ids.h
@@ -7,6 +7,8 @@
  *	Please keep sorted.
  */
 
+FILE_LICENCE ( GPL2_ONLY );
+
 /* Device classes and subclasses */
 
 #define PCI_CLASS_NOT_DEFINED		0x0000
diff --git a/src/include/gpxe/pci_io.h b/src/include/gpxe/pci_io.h
index 365166c8d..8b2729ab4 100644
--- a/src/include/gpxe/pci_io.h
+++ b/src/include/gpxe/pci_io.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/api.h>
 #include <config/ioapi.h>
diff --git a/src/include/gpxe/posix_io.h b/src/include/gpxe/posix_io.h
index 9984db005..3063dfff2 100644
--- a/src/include/gpxe/posix_io.h
+++ b/src/include/gpxe/posix_io.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/uaccess.h>
 
diff --git a/src/include/gpxe/process.h b/src/include/gpxe/process.h
index 42e4dfa6a..a46091911 100644
--- a/src/include/gpxe/process.h
+++ b/src/include/gpxe/process.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/list.h>
 #include <gpxe/refcnt.h>
 #include <gpxe/tables.h>
diff --git a/src/include/gpxe/profile.h b/src/include/gpxe/profile.h
index d46ca05ac..a5bdd3a45 100644
--- a/src/include/gpxe/profile.h
+++ b/src/include/gpxe/profile.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**
diff --git a/src/include/gpxe/ramdisk.h b/src/include/gpxe/ramdisk.h
index 4a77f05e7..31a1d9982 100644
--- a/src/include/gpxe/ramdisk.h
+++ b/src/include/gpxe/ramdisk.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/uaccess.h>
 #include <gpxe/blockdev.h>
 
diff --git a/src/include/gpxe/rarp.h b/src/include/gpxe/rarp.h
index 81e03bde2..7ade8312b 100644
--- a/src/include/gpxe/rarp.h
+++ b/src/include/gpxe/rarp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct net_protocol;
 
 extern struct net_protocol rarp_protocol;
diff --git a/src/include/gpxe/refcnt.h b/src/include/gpxe/refcnt.h
index 68e0fd4b0..e56f1d310 100644
--- a/src/include/gpxe/refcnt.h
+++ b/src/include/gpxe/refcnt.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * A reference counter
  *
diff --git a/src/include/gpxe/resolv.h b/src/include/gpxe/resolv.h
index 81207d28e..33bb0986b 100644
--- a/src/include/gpxe/resolv.h
+++ b/src/include/gpxe/resolv.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/refcnt.h>
 #include <gpxe/interface.h>
 #include <gpxe/tables.h>
diff --git a/src/include/gpxe/retry.h b/src/include/gpxe/retry.h
index 1e7fde4c3..ada0204d6 100644
--- a/src/include/gpxe/retry.h
+++ b/src/include/gpxe/retry.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/list.h>
 
 /** Default timeout value */
diff --git a/src/include/gpxe/rotate.h b/src/include/gpxe/rotate.h
index 42ec7196f..0371c578b 100644
--- a/src/include/gpxe/rotate.h
+++ b/src/include/gpxe/rotate.h
@@ -6,6 +6,8 @@
  * Bit operations
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 static inline uint32_t rol32 ( uint32_t data, unsigned int rotation ) {
diff --git a/src/include/gpxe/rsa.h b/src/include/gpxe/rsa.h
index e30e1a5a3..5052ad46f 100644
--- a/src/include/gpxe/rsa.h
+++ b/src/include/gpxe/rsa.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_RSA_H
 #define _GPXE_RSA_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct pubkey_algorithm;
 
 extern struct pubkey_algorithm rsa_algorithm;
diff --git a/src/include/gpxe/sanboot.h b/src/include/gpxe/sanboot.h
index 05a3ddf0f..6ec2ec24b 100644
--- a/src/include/gpxe/sanboot.h
+++ b/src/include/gpxe/sanboot.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_SANBOOT_H
 #define _GPXE_SANBOOT_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tables.h>
 
 struct sanboot_protocol {
diff --git a/src/include/gpxe/scsi.h b/src/include/gpxe/scsi.h
index e820117be..115fd3fe2 100644
--- a/src/include/gpxe/scsi.h
+++ b/src/include/gpxe/scsi.h
@@ -12,6 +12,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /**
  * @defgroup scsiops SCSI operation codes
  * @{
diff --git a/src/include/gpxe/segment.h b/src/include/gpxe/segment.h
index 5ab916990..5b59c54c5 100644
--- a/src/include/gpxe/segment.h
+++ b/src/include/gpxe/segment.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/uaccess.h>
 
 extern int prep_segment ( userptr_t segment, size_t filesz, size_t memsz );
diff --git a/src/include/gpxe/serial.h b/src/include/gpxe/serial.h
index 2825b9369..a72ca7e81 100644
--- a/src/include/gpxe/serial.h
+++ b/src/include/gpxe/serial.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 extern void serial_putc ( int ch );
 extern int serial_getc ( void );
 extern int serial_ischar ( void );
diff --git a/src/include/gpxe/settings.h b/src/include/gpxe/settings.h
index c25b6ad47..ed3f1590c 100644
--- a/src/include/gpxe/settings.h
+++ b/src/include/gpxe/settings.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/tables.h>
 #include <gpxe/list.h>
diff --git a/src/include/gpxe/settings_ui.h b/src/include/gpxe/settings_ui.h
index 48548fd59..a82d73366 100644
--- a/src/include/gpxe/settings_ui.h
+++ b/src/include/gpxe/settings_ui.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 struct settings;
 
 extern int settings_ui ( struct settings *settings ) __nonnull;
diff --git a/src/include/gpxe/sha1.h b/src/include/gpxe/sha1.h
index 66370d42c..8109a8a05 100644
--- a/src/include/gpxe/sha1.h
+++ b/src/include/gpxe/sha1.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_SHA1_H
 #define _GPXE_SHA1_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include "crypto/axtls/crypto.h"
 
 struct digest_algorithm;
diff --git a/src/include/gpxe/shell.h b/src/include/gpxe/shell.h
index c353fc4d7..a65a34432 100644
--- a/src/include/gpxe/shell.h
+++ b/src/include/gpxe/shell.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 extern void shell ( void );
 
 #endif /* _GPXE_SHELL_H */
diff --git a/src/include/gpxe/shell_banner.h b/src/include/gpxe/shell_banner.h
index f8e92a4de..28482be8a 100644
--- a/src/include/gpxe/shell_banner.h
+++ b/src/include/gpxe/shell_banner.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 extern int shell_banner ( void );
 
 #endif /* _GPXE_SHELL_BANNER_H */
diff --git a/src/include/gpxe/smbios.h b/src/include/gpxe/smbios.h
index a2942366d..4df25c3e7 100644
--- a/src/include/gpxe/smbios.h
+++ b/src/include/gpxe/smbios.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/api.h>
 #include <config/general.h>
diff --git a/src/include/gpxe/socket.h b/src/include/gpxe/socket.h
index b683bed65..9ea0db949 100644
--- a/src/include/gpxe/socket.h
+++ b/src/include/gpxe/socket.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /**
diff --git a/src/include/gpxe/spi.h b/src/include/gpxe/spi.h
index 8f90e3d46..ebfc3226b 100644
--- a/src/include/gpxe/spi.h
+++ b/src/include/gpxe/spi.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/nvs.h>
 
 /**
diff --git a/src/include/gpxe/spi_bit.h b/src/include/gpxe/spi_bit.h
index ced85ceba..8bd251966 100644
--- a/src/include/gpxe/spi_bit.h
+++ b/src/include/gpxe/spi_bit.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/spi.h>
 #include <gpxe/bitbash.h>
 
diff --git a/src/include/gpxe/tables.h b/src/include/gpxe/tables.h
index 39b4777f2..7dfced8c4 100644
--- a/src/include/gpxe/tables.h
+++ b/src/include/gpxe/tables.h
@@ -1,6 +1,8 @@
 #ifndef _GPXE_TABLES_H
 #define _GPXE_TABLES_H
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 /** @page ifdef_harmful #ifdef considered harmful
  *
  * Overuse of @c #ifdef has long been a problem in Etherboot.
diff --git a/src/include/gpxe/tcp.h b/src/include/gpxe/tcp.h
index 264ec29b4..6fb673acc 100644
--- a/src/include/gpxe/tcp.h
+++ b/src/include/gpxe/tcp.h
@@ -9,6 +9,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/tcpip.h>
 
 /**
diff --git a/src/include/gpxe/tcpip.h b/src/include/gpxe/tcpip.h
index 544b9fef5..f71d7d6d3 100644
--- a/src/include/gpxe/tcpip.h
+++ b/src/include/gpxe/tcpip.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/socket.h>
 #include <gpxe/in.h>
diff --git a/src/include/gpxe/tftp.h b/src/include/gpxe/tftp.h
index 0177a95af..c57bb254c 100644
--- a/src/include/gpxe/tftp.h
+++ b/src/include/gpxe/tftp.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 #define TFTP_PORT	       69 /**< Default TFTP server port */
diff --git a/src/include/gpxe/threewire.h b/src/include/gpxe/threewire.h
index 865fc25d5..4dc755c2e 100644
--- a/src/include/gpxe/threewire.h
+++ b/src/include/gpxe/threewire.h
@@ -10,6 +10,8 @@
  * support.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/spi.h>
 #include <limits.h>
 
diff --git a/src/include/gpxe/timer.h b/src/include/gpxe/timer.h
index 862d87b31..86722dca9 100644
--- a/src/include/gpxe/timer.h
+++ b/src/include/gpxe/timer.h
@@ -9,6 +9,8 @@
  * for a monotonically increasing tick counter.
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/api.h>
 #include <config/timer.h>
 
diff --git a/src/include/gpxe/tls.h b/src/include/gpxe/tls.h
index ddec7bec2..e2da0462e 100644
--- a/src/include/gpxe/tls.h
+++ b/src/include/gpxe/tls.h
@@ -7,6 +7,8 @@
  * Transport Layer Security Protocol
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <gpxe/refcnt.h>
 #include <gpxe/filter.h>
diff --git a/src/include/gpxe/uaccess.h b/src/include/gpxe/uaccess.h
index 33aaed18e..5a8f29217 100644
--- a/src/include/gpxe/uaccess.h
+++ b/src/include/gpxe/uaccess.h
@@ -19,6 +19,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <string.h>
 #include <gpxe/api.h>
diff --git a/src/include/gpxe/udp.h b/src/include/gpxe/udp.h
index e515f6503..670c5e5ab 100644
--- a/src/include/gpxe/udp.h
+++ b/src/include/gpxe/udp.h
@@ -9,6 +9,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <gpxe/iobuf.h>
 #include <gpxe/tcpip.h>
diff --git a/src/include/gpxe/umalloc.h b/src/include/gpxe/umalloc.h
index e6fc7bf0f..b0e556458 100644
--- a/src/include/gpxe/umalloc.h
+++ b/src/include/gpxe/umalloc.h
@@ -8,6 +8,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <gpxe/api.h>
 #include <config/umalloc.h>
 #include <gpxe/uaccess.h>
diff --git a/src/include/gpxe/uri.h b/src/include/gpxe/uri.h
index 3803868d2..03c88d25f 100644
--- a/src/include/gpxe/uri.h
+++ b/src/include/gpxe/uri.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <stdlib.h>
 #include <gpxe/refcnt.h>
diff --git a/src/include/gpxe/uuid.h b/src/include/gpxe/uuid.h
index 18d1f1412..019cd052f 100644
--- a/src/include/gpxe/uuid.h
+++ b/src/include/gpxe/uuid.h
@@ -6,6 +6,8 @@
  * Universally unique IDs
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 /** A universally unique ID */
diff --git a/src/include/gpxe/vsprintf.h b/src/include/gpxe/vsprintf.h
index aa8f8a33d..ee860a52c 100644
--- a/src/include/gpxe/vsprintf.h
+++ b/src/include/gpxe/vsprintf.h
@@ -31,6 +31,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 #include <stdarg.h>
 #include <stdio.h>
diff --git a/src/include/gpxe/x509.h b/src/include/gpxe/x509.h
index 071e1de56..1b9d9aabb 100644
--- a/src/include/gpxe/x509.h
+++ b/src/include/gpxe/x509.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stdint.h>
 
 struct asn1_cursor;
diff --git a/src/include/gpxe/xfer.h b/src/include/gpxe/xfer.h
index e592fa380..edd370345 100644
--- a/src/include/gpxe/xfer.h
+++ b/src/include/gpxe/xfer.h
@@ -7,6 +7,8 @@
  *
  */
 
+FILE_LICENCE ( GPL2_OR_LATER );
+
 #include <stddef.h>
 #include <stdarg.h>
 #include <gpxe/interface.h>