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author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/net/eapol.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/net/eapol.c')
-rw-r--r-- | qemu/roms/ipxe/src/net/eapol.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/net/eapol.c b/qemu/roms/ipxe/src/net/eapol.c new file mode 100644 index 000000000..eb0362994 --- /dev/null +++ b/qemu/roms/ipxe/src/net/eapol.c @@ -0,0 +1,88 @@ +/* + * 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., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +/** @file + * + * 802.1X Extensible Authentication Protocol over LANs demultiplexer + * + */ + +#include <ipxe/netdevice.h> +#include <ipxe/iobuf.h> +#include <ipxe/if_ether.h> +#include <ipxe/eapol.h> +#include <errno.h> +#include <byteswap.h> + +/** + * Receive EAPOL network-layer packet + * + * @v iob I/O buffer + * @v netdev Network device + * @v ll_dest Link-layer destination address + * @v ll_source Link-layer source address + * @v flags Packet flags + * + * This function takes ownership of the I/O buffer passed to it. + */ +static int eapol_rx ( struct io_buffer *iob, struct net_device *netdev, + const void *ll_dest, const void *ll_source, + unsigned int flags __unused ) { + struct eapol_frame *eapol = iob->data; + struct eapol_handler *handler; + + if ( iob_len ( iob ) < EAPOL_HDR_LEN ) { + free_iob ( iob ); + return -EINVAL; + } + + for_each_table_entry ( handler, EAPOL_HANDLERS ) { + if ( handler->type == eapol->type ) { + iob_pull ( iob, EAPOL_HDR_LEN ); + return handler->rx ( iob, netdev, ll_dest, ll_source ); + } + } + + free_iob ( iob ); + return -( ENOTSUP | ( ( eapol->type & 0x1f ) << 8 ) ); +} + +/** + * Transcribe EAPOL network-layer address + * + * @v net_addr Network-layer address + * @ret str String representation of network-layer address + * + * EAPOL doesn't have network-layer addresses, so we just return the + * string @c "<EAPOL>". + */ +static const char * eapol_ntoa ( const void *net_addr __unused ) +{ + return "<EAPOL>"; +} + +/** EAPOL network protocol */ +struct net_protocol eapol_protocol __net_protocol = { + .name = "EAPOL", + .rx = eapol_rx, + .ntoa = eapol_ntoa, + .net_proto = htons ( ETH_P_EAPOL ), +}; |