diff options
Diffstat (limited to 'contrib/syslinux-4.02/gpxe/src/net/rarp.c')
-rw-r--r-- | contrib/syslinux-4.02/gpxe/src/net/rarp.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/contrib/syslinux-4.02/gpxe/src/net/rarp.c b/contrib/syslinux-4.02/gpxe/src/net/rarp.c new file mode 100644 index 0000000..1d0dd96 --- /dev/null +++ b/contrib/syslinux-4.02/gpxe/src/net/rarp.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2007 Michael Brown <mbrown@fensystems.co.uk>. + * + * 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. + */ + +FILE_LICENCE ( GPL2_OR_LATER ); + +#include <stdint.h> +#include <byteswap.h> +#include <gpxe/netdevice.h> +#include <gpxe/iobuf.h> +#include <gpxe/if_ether.h> +#include <gpxe/rarp.h> + +/** @file + * + * Reverse Address Resolution Protocol + * + */ + +/** + * Process incoming ARP packets + * + * @v iobuf I/O buffer + * @v netdev Network device + * @v ll_source Link-layer source address + * @ret rc Return status code + * + * This is a dummy method which simply discards RARP packets. + */ +static int rarp_rx ( struct io_buffer *iobuf, + struct net_device *netdev __unused, + const void *ll_source __unused ) { + free_iob ( iobuf ); + return 0; +} + + +/** + * Transcribe RARP address + * + * @v net_addr RARP address + * @ret string "<RARP>" + * + * This operation is meaningless for the RARP protocol. + */ +static const char * rarp_ntoa ( const void *net_addr __unused ) { + return "<RARP>"; +} + +/** RARP protocol */ +struct net_protocol rarp_protocol __net_protocol = { + .name = "RARP", + .net_proto = htons ( ETH_P_RARP ), + .rx = rarp_rx, + .ntoa = rarp_ntoa, +}; |