Subversion Repositories fade_ether_protocol

/*

 * fpga_l3_fade - header for L3 communication protocol with FPGA based system

 * Copyright (C) 2012 by Wojciech M. Zabolotny

 * Institute of Electronic Systems, Warsaw University of Technology

 *

 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

 *

 * Additionally I (Wojciech Zabolotny) allow you to include this header file

 * to compile your closed source applications (however yo should check, that

 * license terms of other include files used by this one allow you to do it...).

 */

#ifndef _FPGA_L3_FADE_H_

#include <linux/socket.h>

#include <linux/if_ether.h>

#include <linux/if.h>

struct l3_v1_buf_pointers {

  int head;

  int tail;

  char eof;

} __attribute__ ((__packed__));

struct l3_v1_slave  {

    unsigned char  mac[ETH_ALEN];

    char           devname[IFNAMSIZ];

}  __attribute__ ((__packed__));

struct l3_v1_usercmd {

  uint16_t cmd;

  uint16_t nr_of_retries;

  uint32_t arg;

  uint32_t timeout;

  uint8_t resp[12];

}  __attribute__ ((__packed__));

#define L3_V1_IOC_MAGIC 0xa5

#define L3_V1_IOC_SETWAKEUP     _IO(L3_V1_IOC_MAGIC,0x30)

#define L3_V1_IOC_GETBUFLEN     _IO(L3_V1_IOC_MAGIC,0x31)

#define L3_V1_IOC_READPTRS      _IOR(L3_V1_IOC_MAGIC,0x32,struct l3_v1_buf_pointers)

#define L3_V1_IOC_WRITEPTRS     _IO(L3_V1_IOC_MAGIC,0x33)

#define L3_V1_IOC_GETMAC        _IOW(L3_V1_IOC_MAGIC,0x34,struct l3_v1_slave)

#define L3_V1_IOC_STARTMAC      _IO(L3_V1_IOC_MAGIC,0x35)

#define L3_V1_IOC_STOPMAC       _IO(L3_V1_IOC_MAGIC,0x36)

#define L3_V1_IOC_FREEMAC       _IO(L3_V1_IOC_MAGIC,0x37)

#define L3_V1_IOC_USERCMD       _IOWR(L3_V1_IOC_MAGIC,0x38,struct l3_v1_usercmd)

#define L3_V1_IOC_RESETMAC      _IO(L3_V1_IOC_MAGIC,0x39)

/* Error flags */

#define FADE_ERR_INCORRECT_PACKET_TYPE (1<<0)

#define FADE_ERR_INCORRECT_SET (1<<1)

#define FADE_ERR_INCORRECT_LENGTH (1<<2)

/* Commands understood by the FPGA */

#define FCMD_START 1

#define FCMD_STOP 2

#define FCMD_ACK 3

#define FCMD_NACK 4

#define FCMD_RESET 5

#define _FPGA_L3_FADE_H_

#endif