fw/eth.h (902aa40) - mips_sys · BlinkenArea

eth.h

/* MIPS I system
 * Copyright 2011-2012 Stefan Schuermans <stefan@blinkenarea.org>
 * Copyleft GNU public license V2 or later
 *          http://www.gnu.org/copyleft/gpl.html
 */

#ifndef ETH_H
#define ETH_H

/** initialize MAC address */
void eth_mac_init(void);

/** initialize receiver */
void eth_rx_init(void);

/** initialize transmitter */
void eth_tx_init(void);

/**
 * @brief get next received packet
 * @param[out] *pptr pointer to packet data
 * @param[out] *psz size of packet
 * @return if a packet was received
 */
int eth_rx(void **pptr, unsigned int *psz);

/**
 * @brief transmit packet
 * @param[in] ptr pointer to packet data
 * @param[in] sz size of packet
 *
 * Padding will be appended if sz is not a multiple of 4 or smaller 60 bytes.
 * The buffer pointed to by ptr must be sufficiently large.
 */
void eth_tx(const void *ptr, unsigned int sz);

/** get number of received packets */
unsigned int eth_rx_get_cnt(void);

/** get number of transmitted packets */
unsigned int eth_tx_get_cnt(void);

#endif /* #ifndef ETH_H */

mips_sys

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