121 lines
3.0 KiB
C
121 lines
3.0 KiB
C
/*
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* Licensed under the GNU General Public License version 2 with exceptions. See
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* LICENSE file in the project root for full license information
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*/
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/** \file
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* \brief
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* Headerfile for nicdrv.c
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*/
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#ifndef _nicdrvh_
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#define _nicdrvh_
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <pcap/pcap.h>
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/** pointer structure to Tx and Rx stacks */
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typedef struct
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{
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/** socket connection used */
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pcap_t **sock;
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/** tx buffer */
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ec_bufT (*txbuf)[EC_MAXBUF];
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/** tx buffer lengths */
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int (*txbuflength)[EC_MAXBUF];
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/** temporary receive buffer */
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ec_bufT *tempbuf;
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/** rx buffers */
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ec_bufT (*rxbuf)[EC_MAXBUF];
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/** rx buffer status fields */
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int (*rxbufstat)[EC_MAXBUF];
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/** received MAC source address (middle word) */
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int (*rxsa)[EC_MAXBUF];
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} ec_stackT;
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/** pointer structure to buffers for redundant port */
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typedef struct
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{
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ec_stackT stack;
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pcap_t *sockhandle;
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/** rx buffers */
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ec_bufT rxbuf[EC_MAXBUF];
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/** rx buffer status */
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int rxbufstat[EC_MAXBUF];
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/** rx MAC source address */
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int rxsa[EC_MAXBUF];
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/** temporary rx buffer */
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ec_bufT tempinbuf;
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} ecx_redportt;
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/** pointer structure to buffers, vars and mutexes for port instantiation */
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typedef struct
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{
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ec_stackT stack;
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pcap_t *sockhandle;
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/** rx buffers */
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ec_bufT rxbuf[EC_MAXBUF];
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/** rx buffer status */
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int rxbufstat[EC_MAXBUF];
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/** rx MAC source address */
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int rxsa[EC_MAXBUF];
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/** temporary rx buffer */
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ec_bufT tempinbuf;
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/** temporary rx buffer status */
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int tempinbufs;
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/** transmit buffers */
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ec_bufT txbuf[EC_MAXBUF];
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/** transmit buffer lenghts */
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int txbuflength[EC_MAXBUF];
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/** temporary tx buffer */
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ec_bufT txbuf2;
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/** temporary tx buffer length */
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int txbuflength2;
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/** last used frame index */
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uint8 lastidx;
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/** current redundancy state */
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int redstate;
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/** pointer to redundancy port and buffers */
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ecx_redportt *redport;
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pthread_mutex_t getindex_mutex;
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pthread_mutex_t tx_mutex;
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pthread_mutex_t rx_mutex;
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} ecx_portt;
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extern const uint16 priMAC[3];
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extern const uint16 secMAC[3];
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#ifdef EC_VER1
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extern ecx_portt ecx_port;
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extern ecx_redportt ecx_redport;
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int ec_setupnic(const char * ifname, int secondary);
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int ec_closenic(void);
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void ec_setbufstat(uint8 idx, int bufstat);
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uint8 ec_getindex(void);
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int ec_outframe(uint8 idx, int sock);
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int ec_outframe_red(uint8 idx);
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int ec_waitinframe(uint8 idx, int timeout);
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int ec_srconfirm(uint8 idx,int timeout);
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#endif
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void ec_setupheader(void *p);
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int ecx_setupnic(ecx_portt *port, const char * ifname, int secondary);
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int ecx_closenic(ecx_portt *port);
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void ecx_setbufstat(ecx_portt *port, uint8 idx, int bufstat);
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uint8 ecx_getindex(ecx_portt *port);
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int ecx_outframe(ecx_portt *port, uint8 idx, int sock);
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int ecx_outframe_red(ecx_portt *port, uint8 idx);
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int ecx_waitinframe(ecx_portt *port, uint8 idx, int timeout);
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int ecx_srconfirm(ecx_portt *port, uint8 idx,int timeout);
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#ifdef __cplusplus
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}
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#endif
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#endif
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