81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
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/* SPDX-License-Identifier: MIT */
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/**************************************************************************************
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*
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* Copyright (c) 2024, Hilscher Gesellschaft fuer Systemautomation mbH. All Rights Reserved.
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*
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* Description: Header file of the netX virtual network interface.
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*
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* Changes:
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*
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* Version Date Author Description
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* ----------------------------------------------------------------------------------
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* 1 02.01.24 SD changed licensing terms
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*
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**************************************************************************************/
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#ifndef __NETX_TAP__H
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#define __NETX_TAP__H
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#ifdef CIFXETHERNET
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#include <sys/socket.h>
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#include <linux/if.h>
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#include <linux/if_tun.h>
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#include <stdint.h>
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#include <cifxlinux.h>
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#define DEFAULT_POLL_TIMEOUT 10 /* polling interval of receiver thread in ms */
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/* symbols used when requesting information of the extended status block (->cifXEthGetExentedStatusInformation()) */
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#define EXT_INFO_INTF_CONFIG 1 /* request for interface configuration (returns EXT_INFO_MACADDR, EXT_INFO_IPADDR, EXT_INFO_NETMASK, EXT_INFO_GATEWAY) */
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#define EXT_INFO_LINKSTATE 2
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#define EXT_INFO_MACADDR 3
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#define EXT_INFO_IPADDR 4
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#define EXT_INFO_NETMASK 5
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#define EXT_INFO_GATEWAY 6
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#define EXT_INFO_NO_RECVPKT 7
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#define EXT_INFO_NO_RCVPKT_DROP 8
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#define EXT_INFO_NO_SENDPKT 9
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#define EXT_INFO_NO_SENDPKT_DROP 10
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#define EXT_STATISTICS 11
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typedef struct NETX_ETH_DEV_CFG_Ttag
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{
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char cifx_name[16];
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char eth_dev_name[IFNAMSIZ];
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} NETX_ETH_DEV_CFG_T;
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#pragma pack(1)
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typedef struct IFCONFIG_Ttag /* configuration of the hardware, indicated by the ETH_INTF_RECV_IP_CONFIG_IND packet */
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{
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uint8_t abEthernetMACAddr[6];
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} IFCONFIG_T, *PIFCONFIG_T;
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#pragma pack()
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typedef struct STATISTIC_Ttag /* ethernet statistic information structure (located in the extended information field) */
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{
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uint64_t ullIfInPkts; /* the number of packets received */
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uint64_t ullIfInDiscards; /* The number of received packets not passed to the host because of packet queue overflow */
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uint64_t ullIfOutPkts; /* The number of sent ethernet frames */
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uint64_t ullIfOutDiscards; /* The number of ethernet frames dropped because of no ethernet frame buffer available */
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uint64_t ullIfInBytes; /* the number of bytes received */
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uint64_t ullIfOutBytes; /* the number of bytes transmitted */
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} STATISTIC_T, *PSTATISTIC_T;
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typedef struct LINK_STATE_Ttag
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{
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uint8_t bLinkState;
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} LINK_STATE_T, *PLINK_STATE_T;
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void* cifxeth_create_device( NETX_ETH_DEV_CFG_T* config);
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void cifxeth_remove_device( void* handle, NETX_ETH_DEV_CFG_T* config);
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void cifxeth_sys_cleanup(void);
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#endif //CIFXETHERNET
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#endif /* __NETX_TAP__H */
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