mirror of
https://github.com/stargieg/bacnet-stack
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83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/**************************************************************************
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*
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* Copyright (C) 2012 Steve Karg <skarg@users.sourceforge.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*********************************************************************/
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#ifndef ETHERNET_H
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#define ETHERNET_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stddef.h>
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#include "bacdef.h"
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#include "npdu.h"
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/* specific defines for Ethernet */
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#define MAX_HEADER (6+6+2+1+1+1)
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#define MAX_MPDU (MAX_HEADER+MAX_PDU)
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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bool ethernet_valid(
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void);
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void ethernet_cleanup(
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void);
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bool ethernet_init(
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char *interface_name);
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/* function to send a packet out the 802.2 socket */
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/* returns number of bytes sent on success, negative on failure */
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int ethernet_send_pdu(
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BACNET_ADDRESS * dest, /* destination address */
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BACNET_NPDU_DATA * npdu_data, /* network information */
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uint8_t * pdu, /* any data to be sent - may be null */
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unsigned pdu_len); /* number of bytes of data */
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/* receives an 802.2 framed packet */
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/* returns the number of octets in the PDU, or zero on failure */
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uint16_t ethernet_receive(
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BACNET_ADDRESS * src, /* source address */
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uint8_t * pdu, /* PDU data */
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uint16_t max_pdu, /* amount of space available in the PDU */
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unsigned timeout); /* milliseconds to wait for a packet */
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void ethernet_set_my_address(
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BACNET_ADDRESS * my_address);
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void ethernet_get_my_address(
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BACNET_ADDRESS * my_address);
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void ethernet_get_broadcast_address(
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BACNET_ADDRESS * dest); /* destination address */
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/* some functions from Linux driver */
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void ethernet_debug_address(
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const char *info,
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BACNET_ADDRESS * dest);
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int ethernet_send(
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uint8_t * mtu,
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int mtu_len);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif
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