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8406115834
Access to the gpxe.org and etherboot.org domains and associated resources has been revoked by the registrant of the domain. Work around this problem by renaming project from gPXE to iPXE, and updating URLs to match. Also update README, LOG and COPYRIGHTS to remove obsolete information. Signed-off-by: Michael Brown <mcb30@ipxe.org>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
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* Copyright (C) 2009 Joshua Oreman <oremanj@rwcr.net>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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FILE_LICENCE ( GPL2_OR_LATER );
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ipxe/dhcp.h>
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#include <ipxe/dhcppkt.h>
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#include <ipxe/netdevice.h>
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#include <ipxe/iobuf.h>
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#include <ipxe/uaccess.h>
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/** @file
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*
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* Cached DHCP packet handling
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*
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*/
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/**
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* Store cached DHCPACK packet
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*
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* @v data User pointer to cached DHCP packet data
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* @v len Length of cached DHCP packet data
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* @ret rc Return status code
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*
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* This function should be called by the architecture-specific
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* get_cached_dhcpack() handler.
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*/
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void store_cached_dhcpack ( userptr_t data, size_t len ) {
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struct dhcp_packet *dhcppkt;
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struct dhcphdr *dhcphdr;
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struct settings *parent;
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int rc;
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/* Create DHCP packet */
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dhcppkt = zalloc ( sizeof ( *dhcppkt ) + len );
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if ( ! dhcppkt )
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return;
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/* Fill in data for DHCP packet */
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dhcphdr = ( ( ( void * ) dhcppkt ) + sizeof ( * dhcppkt ) );
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copy_from_user ( dhcphdr, data, 0, len );
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dhcppkt_init ( dhcppkt, dhcphdr, len );
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DBG_HD ( dhcppkt->options.data, dhcppkt->options.len );
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/* Register settings on the last opened network device.
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* This will have the effect of registering cached settings
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* with a network device when "dhcp netX" is performed for that
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* device, which is usually what we want.
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*/
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parent = netdev_settings ( last_opened_netdev() );
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if ( ( rc = register_settings ( &dhcppkt->settings, parent ) ) != 0 )
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DBG ( "DHCP could not register cached settings: %s\n",
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strerror ( rc ) );
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dhcppkt_put ( dhcppkt );
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DBG ( "DHCP registered cached settings\n" );
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}
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