nicdrv.h

00001 /*
00002  * Licensed under the GNU General Public License version 2 with exceptions. See
00003  * LICENSE file in the project root for full license information
00004  */
00005 
00006 /** \file
00007  * \brief
00008  * Headerfile for nicdrv.c
00009  */
00010 
00011 #ifndef _nicdrvh_
00012 #define _nicdrvh_
00013 
00014 /** pointer structure to Tx and Rx stacks */
00015 typedef struct
00016 {
00017    /** socket connection used */
00018    int         *sock;
00019    /** tx buffer */
00020    ec_bufT     (*txbuf)[EC_MAXBUF];
00021    /** tx buffer lengths */
00022    int         (*txbuflength)[EC_MAXBUF];
00023    /** temporary receive buffer */
00024    ec_bufT     *tempbuf;
00025    /** rx buffers */
00026    ec_bufT     (*rxbuf)[EC_MAXBUF];
00027    /** rx buffer status fields */
00028    int         (*rxbufstat)[EC_MAXBUF];
00029    /** received MAC source address (middle word) */
00030    int         (*rxsa)[EC_MAXBUF];
00031 } ec_stackT;
00032 
00033 /** pointer structure to buffers for redundant port */
00034 typedef struct
00035 {
00036    ec_stackT   stack;
00037    int         sockhandle;
00038    /** rx buffers */
00039    ec_bufT rxbuf[EC_MAXBUF];
00040    /** rx buffer status */
00041    int rxbufstat[EC_MAXBUF];
00042    /** rx MAC source address */
00043    int rxsa[EC_MAXBUF];
00044    /** temporary rx buffer */
00045    ec_bufT tempinbuf;
00046 } ecx_redportt;
00047 
00048 /** pointer structure to buffers, vars and mutexes for port instantiation */
00049 typedef struct
00050 {
00051    ec_stackT   stack;
00052    int         sockhandle;
00053    /** rx buffers */
00054    ec_bufT rxbuf[EC_MAXBUF];
00055    /** rx buffer status */
00056    int rxbufstat[EC_MAXBUF];
00057    /** rx MAC source address */
00058    int rxsa[EC_MAXBUF];
00059    /** temporary rx buffer */
00060    ec_bufT tempinbuf;
00061    /** temporary rx buffer status */
00062    int tempinbufs;
00063    /** transmit buffers */
00064    ec_bufT txbuf[EC_MAXBUF];
00065    /** transmit buffer lengths */
00066    int txbuflength[EC_MAXBUF];
00067    /** temporary tx buffer */
00068    ec_bufT txbuf2;
00069    /** temporary tx buffer length */
00070    int txbuflength2;
00071    /** last used frame index */
00072    int lastidx;
00073    /** current redundancy state */
00074    int redstate;
00075    /** pointer to redundancy port and buffers */
00076    ecx_redportt *redport;
00077    //mtx_t * getindex_mutex; //******//
00078    //mtx_t * tx_mutex; //******//
00079    //mtx_t * rx_mutex; //******//
00080 } ecx_portt;
00081 
00082 extern const uint16 priMAC[3];
00083 extern const uint16 secMAC[3];
00084 
00085 #ifdef EC_VER1
00086 extern ecx_portt     ecx_port;
00087 extern ecx_redportt  ecx_redport;
00088 
00089 int ec_setupnic(const char * ifname, int secondary);
00090 int ec_closenic(void);
00091 void ec_setbufstat(int idx, int bufstat);
00092 int ec_getindex(void);
00093 int ec_outframe(int idx, int stacknumber);
00094 int ec_outframe_red(int idx);
00095 int ec_waitinframe(int idx, int timeout);
00096 int ec_srconfirm(int idx,int timeout);
00097 #endif
00098 
00099 void ec_setupheader(void *p);
00100 
00101 int ecx_setupnic(ecx_portt *port, const char * ifname, int secondary);
00102 int ecx_closenic(ecx_portt *port);
00103 void ecx_setbufstat(ecx_portt *port, int idx, int bufstat);
00104 int ecx_getindex(ecx_portt *port);
00105 int ecx_outframe(ecx_portt *port, int idx, int stacknumber);
00106 int ecx_outframe_red(ecx_portt *port, int idx);
00107 int ecx_waitinframe(ecx_portt *port, int idx, int timeout);
00108 int ecx_srconfirm(ecx_portt *port, int idx,int timeout);
00109 
00110 #endif