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Diffstat (limited to 'gpxe/src/include/gpxe/eapol.h')
-rw-r--r-- | gpxe/src/include/gpxe/eapol.h | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/gpxe/src/include/gpxe/eapol.h b/gpxe/src/include/gpxe/eapol.h deleted file mode 100644 index c9855d09..00000000 --- a/gpxe/src/include/gpxe/eapol.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 2009 Joshua Oreman <oremanj@rwcr.net>. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef _GPXE_EAPOL_H -#define _GPXE_EAPOL_H - -/** @file - * - * Definitions for EAPOL (Extensible Authentication Protocol over - * LANs) frames. Definitions for the packets usually encapsulated in - * them are elsewhere. - */ - -#include <gpxe/tables.h> -#include <stdint.h> - -FILE_LICENCE ( GPL2_OR_LATER ); - - -/** - * @defgroup eapol_type EAPOL archetype identifiers - * @{ - */ -#define EAPOL_TYPE_EAP 0 /**< EAP authentication handshake packet */ -#define EAPOL_TYPE_START 1 /**< Request by Peer to begin (no data) */ -#define EAPOL_TYPE_LOGOFF 2 /**< Request by Peer to terminate (no data) */ -#define EAPOL_TYPE_KEY 3 /**< EAPOL-Key packet */ -/** @} */ - -/** Expected EAPOL version field value - * - * Version 2 is often seen and has no format differences from version 1; - * however, many older APs will completely drop version-2 packets, so - * we advertise ourselves as version 1. - */ -#define EAPOL_THIS_VERSION 1 - -/** Length of an EAPOL frame header */ -#define EAPOL_HDR_LEN 4 - -/** An EAPOL frame - * - * This may encapsulate an eap_pkt, an eapol_key_pkt, or a Start or - * Logoff request with no data attached. It is transmitted directly in - * an Ethernet frame, with no IP packet header. - */ -struct eapol_frame -{ - /** EAPOL version identifier, always 1 */ - u8 version; - - /** EAPOL archetype identifier indicating format of payload */ - u8 type; - - /** Length of payload, in network byte order */ - u16 length; - - /** Payload, if @a type is EAP or EAPOL-Key */ - u8 data[0]; -} __attribute__ (( packed )); - - -/** An EAPOL frame type handler - * - * Normally there will be at most two of these, one for EAP and one - * for EAPOL-Key frames. The EAPOL interface code handles Start and - * Logoff directly. - */ -struct eapol_handler -{ - /** EAPOL archetype identifier for payload this handler will handle */ - u8 type; - - /** Receive EAPOL-encapsulated packet of specified type - * - * @v iob I/O buffer containing packet payload - * @v netdev Network device from which packet was received - * @v ll_source Source link-layer address from which packet was received - * @ret rc Return status code - * - * The I/O buffer will have the EAPOL header pulled off it, so - * @c iob->data points to the first byte of the payload. - * - * This function takes ownership of the I/O buffer passed to it. - */ - int ( * rx ) ( struct io_buffer *iob, struct net_device *netdev, - const void *ll_source ); -}; - -#define EAPOL_HANDLERS __table ( struct eapol_handler, "eapol_handlers" ) -#define __eapol_handler __table_entry ( EAPOL_HANDLERS, 01 ) - - -extern struct net_protocol eapol_protocol __net_protocol; - - -#endif /* _GPXE_EAPOL_H */ |