/**
* Should be called at the beginning of the program to set up the
* network interface. It calls the function prvLowLevelInit() to do the
* actual setup of the hardware.
*
* This function should be passed as a parameter to netif_add().
*
* @param pxNetIf the lwip network interface structure for this ethernetif
* @return ERR_OK if the loopif is initialized
* ERR_MEM if private data couldn't be allocated
* any other err_t on error
*/
err_t ethernetif_init( struct netif *pxNetIf )
{
err_t xReturn = ERR_OK;
/* This is taken from lwIP example code and therefore does not conform
to the FreeRTOS coding standard. */
struct xEthernetIf *pxEthernetIf;
LWIP_ASSERT( "pxNetIf != NULL", ( pxNetIf != NULL ) );
pxEthernetIf = mem_malloc( sizeof( struct xEthernetIf ) );
if( pxEthernetIf == NULL )
{
LWIP_DEBUGF(NETIF_DEBUG, ( "ethernetif_init: out of memory\n" ) );
xReturn = ERR_MEM;
}
else
{
#if LWIP_NETIF_HOSTNAME
{
/* Initialize interface hostname */
pxNetIf->hostname = "lwip";
}
#endif /* LWIP_NETIF_HOSTNAME */
pxNetIf->state = pxEthernetIf;
pxNetIf->name[ 0 ] = IFNAME0;
pxNetIf->name[ 1 ] = IFNAME1;
/* We directly use etharp_output() here to save a function call.
* You can instead declare your own function an call etharp_output()
* from it if you have to do some checks before sending (e.g. if link
* is available...) */
pxNetIf->output = etharp_output;
pxNetIf->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_IGMP;
pxNetIf->hwaddr_len = ETHARP_HWADDR_LEN;
pxNetIf->mtu = netifMAX_MTU;
pxNetIf->linkoutput = prvLowLevelOutput;
pxEthernetIf->ethaddr = ( struct eth_addr * ) &( pxNetIf->hwaddr[ 0 ] );
/* initialize the hardware */
prvLowLevelInit( pxNetIf );
/* Was an interface opened? */
if( pxOpenedInterfaceHandle == NULL )
{
/* Probably an invalid adapter number was defined in
FreeRTOSConfig.h. */
xReturn = ERR_VAL;
configASSERT( pxOpenedInterfaceHandle );
}
}
return xReturn;
}
/**
* Should be called at the beginning of the program to set up the
* network interface. It calls the function ftmac100_Init() to do the
* actual setup of the hardware.
*
* This function should be passed as a parameter to pxNetIf_add().
*
* @param pxNetIf the lwip network interface structure for this etherpxNetIf
* @return ERR_OK if the loopif is initialized
* ERR_MEM if private data couldn't be allocated
* any other err_t on error
*/
err_t ftMac100_init( struct netif *pxNetIf )
{
err_t xReturn = ERR_OK;
LWIP_ASSERT( "pxNetIf != NULL", ( pxNetIf != NULL ) );
pgMac100If = mem_malloc( sizeof( struct xFtmac100If ) );
if( pgMac100If == NULL )
{
LWIP_DEBUGF(NETIF_DEBUG, ( "ftmac100_init: out of memory\n" ) );
xReturn = ERR_MEM;
}
else
{
#if LWIP_NETIF_HOSTNAME
{
/* Initialize interface hostname */
pxNetIf->hostname = "lwip";
}
#endif /* LWIP_NETIF_HOSTNAME */
pgMac100If->netIf = pxNetIf;
pxNetIf->state = pgMac100If;
pxNetIf->name[ 0 ] = IFNAME0;
pxNetIf->name[ 1 ] = IFNAME1;
/* set MAC hardware address length */
pxNetIf->hwaddr_len = ETHARP_HWADDR_LEN;
/* set MAC hardware address */
pxNetIf->hwaddr[ 0 ] = pgMac100If->hwaddr[ 0 ] = 0xc3;
pxNetIf->hwaddr[ 1 ] = pgMac100If->hwaddr[ 1 ] = 0x10;
pxNetIf->hwaddr[ 2 ] = pgMac100If->hwaddr[ 2 ] = 0xda;
pxNetIf->hwaddr[ 3 ] = pgMac100If->hwaddr[ 3 ] = 0xce;
pxNetIf->hwaddr[ 4 ] = pgMac100If->hwaddr[ 4 ] = 0x3f;
pxNetIf->hwaddr[ 5 ] = pgMac100If->hwaddr[ 5 ] = 0x69;
/* device capabilities */
pxNetIf->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP;
/* maximum transfer unit */
pxNetIf->mtu = netifMAX_MTU;
/* We directly use etharp_output() here to save a function call.
* You can instead declare your own function an call etharp_output()
* from it if you have to do some checks before sending (e.g. if link
* is available...) */
pxNetIf->output = etharp_output;
pxNetIf->linkoutput = prvLowLevelOutput;
ftMac100_alloc_buffers( );
pgMac100If->rx_pointer = 0;
pgMac100If->tx_clean_pointer = 0;
pgMac100If->tx_pointer = 0;
pgMac100If->tx_pending = 0;
/* initialize the hardware */
prvLowLevelInit( pgMac100If );
/* Hardware ready now, create task for receive packets */
if( ( xReturn = sys_sem_new( &pgMac100If->tx_sem, 1 ) ) != ERR_OK )
{
return xReturn;
}
else if( ( xReturn = sys_sem_new( &pgMac100If->rx_sem, 0 ) ) != ERR_OK )
{
return xReturn;
}
else if( sys_thread_new( "mac100rx", ftMac100_rx_task, pgMac100If, FTMAC100_RX_STACK_SIZE,
FTMAC100_RX_TASK_PRIORITY ) == NULL )
{
xReturn = ERR_MEM;
}
}
return xReturn;
}
