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/* network.h
*
* RTEMS driver for Minimac ethernet IP-core of Milkymist SoC
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*
* $Id$
*
* COPYRIGHT (c) Yann Sionneau <yann.sionneau@telecom-sudparis.eu> (GSoC 2010)
* Telecom SudParis, France
*/
#ifndef _MM_NETWORKING_H_
#define _MM_NETWORKING_H_
#include "../include/system_conf.h"
#define IRQ_ETHRX 11
#define IRQ_ETHTX 12
#define INTERRUPT_EVENT RTEMS_EVENT_1
#define START_TRANSMIT_EVENT RTEMS_EVENT_2
#define MINIMAC_STATE_EMPTY (0x0)
#define MINIMAC_STATE_LOADED (0x1)
#define MINIMAC_STATE_PENDING (0x2)
#define MINIMAC_SETUP_RXRST (0x1)
#define MINIMAC_SETUP_TXRST (0x2)
#define NB_RX_SLOTS 4
#define MM_ETHTX_IRQMASK (1 << IRQ_ETHTX)
#define MM_ETHRX_IRQMASK (1 << IRQ_ETHRX)
#define ETHERNET_FRAME_LENGTH 1532
struct mm_packet {
unsigned char preamble[8];
char raw_data[MLEN];
} __attribute__((aligned(4), packed));
struct minimac_softc {
struct arpcom arpcom;
uint8_t registered;
/*
* Statistics
*/
rtems_id rxDaemonTid;
rtems_id txDaemonTid;
unsigned long int rxInterrupts;
unsigned long int txInterrupts;
unsigned long int rxedPackets;
unsigned long int txFifoFull;
unsigned long int txErrors;
};
int rtems_minimac_driver_attach (struct rtems_bsdnet_ifconfig *, int);
static void minimac_start(struct ifnet *);
static void minimac_init(void *);
static int minimac_ioctl(struct ifnet *, ioctl_command_t, caddr_t);
static void minimac_stop(struct minimac_softc *);
static void minimac_txDaemon(void *);
static void minimac_rxDaemon(void *);
static void minimac_sendpacket(struct ifnet *, struct mbuf *);
static rtems_isr minimac_rx_interrupt_handler (rtems_vector_number);
static rtems_isr minimac_tx_interrupt_handler (rtems_vector_number);
static void minimac_stats(struct minimac_softc *);
#endif
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