3 files changed, 73 insertions, 0 deletions
diff --git a/src/include/ipxe/eap.h b/src/include/ipxe/eap.h
new file mode 100644
index 000000000..6fe70189b
--- /dev/null
+++ b/src/include/ipxe/eap.h
@@ -0,0 +1,69 @@
+#ifndef _IPXE_EAP_H
+#define _IPXE_EAP_H
+
+/** @file
+ *
+ * Extensible Authentication Protocol
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
+
+#include <stdint.h>
+#include <ipxe/netdevice.h>
+#include <ipxe/timer.h>
+
+/** EAP header */
+struct eap_header {
+	/** Code */
+	uint8_t code;
+	/** Identifier */
+	uint8_t id;
+	/** Length */
+	uint16_t len;
+} __attribute__ (( packed ));
+
+/** EAP request */
+#define EAP_CODE_REQUEST 1
+
+/** EAP request */
+struct eap_request {
+	/** Header */
+	struct eap_header hdr;
+	/** Type */
+	uint8_t type;
+} __attribute__ (( packed ));
+
+/** EAP identity */
+#define EAP_TYPE_IDENTITY 1
+
+/** EAP success */
+#define EAP_CODE_SUCCESS 3
+
+/** EAP failure */
+#define EAP_CODE_FAILURE 4
+
+/** EAP packet */
+union eap_packet {
+	/** Header */
+	struct eap_header hdr;
+	/** Request */
+	struct eap_request req;
+};
+
+/** Link block timeout
+ *
+ * We mark the link as blocked upon receiving a Request-Identity, on
+ * the basis that this most likely indicates that the switch will not
+ * yet be forwarding packets.
+ *
+ * There is no way to tell how frequently the Request-Identity packet
+ * will be retransmitted by the switch.  The default value for Cisco
+ * switches seems to be 30 seconds, so treat the link as blocked for
+ * 45 seconds.
+ */
+#define EAP_BLOCK_TIMEOUT ( 45 * TICKS_PER_SEC )
+
+extern int eap_rx ( struct net_device *netdev, const void *data, size_t len );
+
+#endif /* _IPXE_EAP_H */
diff --git a/src/include/ipxe/eapol.h b/src/include/ipxe/eapol.h
index 612dd36e0..952d6c752 100644
--- a/src/include/ipxe/eapol.h
+++ b/src/include/ipxe/eapol.h
@@ -26,6 +26,9 @@ struct eapol_header {
 /** 802.1X-2001 */
 #define EAPOL_VERSION_2001 1
 
+/** EAPoL-encapsulated EAP packets */
+#define EAPOL_TYPE_EAP 0
+
 /** EAPoL key */
 #define EAPOL_TYPE_KEY 5
 
diff --git a/src/include/ipxe/errfile.h b/src/include/ipxe/errfile.h
index 3437a5217..d317ce5be 100644
--- a/src/include/ipxe/errfile.h
+++ b/src/include/ipxe/errfile.h
@@ -287,6 +287,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #define ERRFILE_xsigo			( ERRFILE_NET | 0x00480000 )
 #define ERRFILE_ntp			( ERRFILE_NET | 0x00490000 )
 #define ERRFILE_httpntlm		( ERRFILE_NET | 0x004a0000 )
+#define ERRFILE_eap			( ERRFILE_NET | 0x004b0000 )
 
 #define ERRFILE_image		      ( ERRFILE_IMAGE | 0x00000000 )
 #define ERRFILE_elf		      ( ERRFILE_IMAGE | 0x00010000 )