proto_dhcpv4.h

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#pragma once
/*
 *  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
 *  (at your option) 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 St, Fifth Floor, Boston, MA 02110-1301, USA
 */
 
/*
 * $Id: b17a67b45ea01094ee2bd472ad00c791eb6d06bd $
 *
 * @file proto_dhcpv4.h
 * @brief Structures for the DHCPV4 protocol
 *
 * @copyright 2018 Alan DeKok (aland@freeradius.org)
 */
#include <freeradius-devel/io/master.h>
#include <freeradius-devel/dhcpv4/dhcpv4.h>
 
/** An instance of a proto_dhcpv4 listen section
 *
 */
typedef struct {
        fr_io_instance_t                io;                             //!< wrapper for IO abstraction
 
        char const                      **allowed_types;                //!< names for for 'type = ...'
        bool                            allowed[FR_DHCP_CODE_MAX];      //!< indexed by value
 
        uint32_t                        max_packet_size;                //!< for message ring buffer.
        uint32_t                        num_messages;                   //!< for message ring buffer.
 
        uint32_t                        priorities[FR_DHCP_CODE_MAX];   //!< priorities for individual packets
} proto_dhcpv4_t;
 
/*
 *      Shorter version of the packet for deduping
 */
typedef struct {
        int                             message_type;
        uint32_t                        xid;
        fr_ethernet_t                   chaddr;
        bool                            broadcast;
        uint8_t                         hops;
        uint32_t                        ciaddr;
        uint32_t                        giaddr;
} proto_dhcpv4_track_t;