int main(int argc, char *argv[])
{
if (argc != 5) {
printf("Usage: ./ethapp <eth-port-my> <eth-port-other> <usb-port-my> <usb-port-other>\n");
return 1;
}
LOG_INFO("Initializing USB Stack");
usbnet_init(argv[3], argv[4]);
LOG_INFO("Initializing Ethernet stack");
enc28j60_init(0, 0, MACAddress, argv[1], argv[2]);
LOG_INFO("Starting USB Stack");
LOG_INFO("Entering main loop");
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = sigint_handler;
//sigaction(SIGINT, &act, NULL);
appnet_loop();
return 0;
}
/**
* Probe device
*
* @v func USB function
* @v config Configuration descriptor
* @ret rc Return status code
*/
static int acm_probe ( struct usb_function *func,
struct usb_configuration_descriptor *config ) {
struct usb_device *usb = func->usb;
struct rndis_device *rndis;
struct acm_device *acm;
int rc;
/* Allocate and initialise structure */
rndis = alloc_rndis ( sizeof ( *acm ) );
if ( ! rndis ) {
rc = -ENOMEM;
goto err_alloc;
}
rndis_init ( rndis, &acm_operations );
rndis->netdev->dev = &func->dev;
acm = rndis->priv;
acm->usb = usb;
acm->bus = usb->port->hub->bus;
acm->rndis = rndis;
usbnet_init ( &acm->usbnet, func, &acm_intr_operations,
&acm_in_operations, &acm_out_operations );
usb_refill_init ( &acm->usbnet.intr, 0, ACM_INTR_MAX_FILL );
usb_refill_init ( &acm->usbnet.in, ACM_IN_MTU, ACM_IN_MAX_FILL );
/* Describe USB network device */
if ( ( rc = usbnet_describe ( &acm->usbnet, config ) ) != 0 ) {
DBGC ( acm, "ACM %p could not describe: %s\n",
acm, strerror ( rc ) );
goto err_describe;
}
/* Register RNDIS device */
if ( ( rc = register_rndis ( rndis ) ) != 0 )
goto err_register;
usb_func_set_drvdata ( func, acm );
return 0;
unregister_rndis ( rndis );
err_register:
err_describe:
free_rndis ( rndis );
err_alloc:
return rc;
}
/**
* Probe device
*
* @v func USB function
* @v config Configuration descriptor
* @ret rc Return status code
*/
static int smsc95xx_probe ( struct usb_function *func,
struct usb_configuration_descriptor *config ) {
struct usb_device *usb = func->usb;
struct net_device *netdev;
struct smsc95xx_device *smsc95xx;
int rc;
/* Allocate and initialise structure */
netdev = alloc_etherdev ( sizeof ( *smsc95xx ) );
if ( ! netdev ) {
rc = -ENOMEM;
goto err_alloc;
}
netdev_init ( netdev, &smsc95xx_operations );
netdev->dev = &func->dev;
smsc95xx = netdev->priv;
memset ( smsc95xx, 0, sizeof ( *smsc95xx ) );
smsc95xx->usb = usb;
smsc95xx->bus = usb->port->hub->bus;
smsc95xx->netdev = netdev;
usbnet_init ( &smsc95xx->usbnet, func, &smsc95xx_intr_operations,
&smsc95xx_in_operations, &smsc95xx_out_operations );
usb_refill_init ( &smsc95xx->usbnet.intr, 0, 0,
SMSC95XX_INTR_MAX_FILL );
usb_refill_init ( &smsc95xx->usbnet.in,
( sizeof ( struct smsc95xx_tx_header ) -
sizeof ( struct smsc95xx_rx_header ) ),
SMSC95XX_IN_MTU, SMSC95XX_IN_MAX_FILL );
mii_init ( &smsc95xx->mii, &smsc95xx_mii_operations );
DBGC ( smsc95xx, "SMSC95XX %p on %s\n", smsc95xx, func->name );
/* Describe USB network device */
if ( ( rc = usbnet_describe ( &smsc95xx->usbnet, config ) ) != 0 ) {
DBGC ( smsc95xx, "SMSC95XX %p could not describe: %s\n",
smsc95xx, strerror ( rc ) );
goto err_describe;
}
/* Reset device */
if ( ( rc = smsc95xx_reset ( smsc95xx ) ) != 0 )
goto err_reset;
/* Read MAC address */
if ( ( rc = smsc95xx_fetch_mac ( smsc95xx, netdev->hw_addr ) ) != 0 )
goto err_fetch_mac;
/* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 )
goto err_register;
usb_func_set_drvdata ( func, netdev );
return 0;
unregister_netdev ( netdev );
err_register:
err_fetch_mac:
err_reset:
err_describe:
netdev_nullify ( netdev );
netdev_put ( netdev );
err_alloc:
return rc;
}
/**
* Probe device
*
* @v func USB function
* @v config Configuration descriptor
* @ret rc Return status code
*/
static int dm96xx_probe ( struct usb_function *func,
struct usb_configuration_descriptor *config ) {
struct usb_device *usb = func->usb;
struct net_device *netdev;
struct dm96xx_device *dm96xx;
int rc;
/* Allocate and initialise structure */
netdev = alloc_etherdev ( sizeof ( *dm96xx ) );
if ( ! netdev ) {
rc = -ENOMEM;
goto err_alloc;
}
netdev_init ( netdev, &dm96xx_operations );
netdev->dev = &func->dev;
dm96xx = netdev->priv;
memset ( dm96xx, 0, sizeof ( *dm96xx ) );
dm96xx->usb = usb;
dm96xx->bus = usb->port->hub->bus;
dm96xx->netdev = netdev;
usbnet_init ( &dm96xx->usbnet, func, &dm96xx_intr_operations,
&dm96xx_in_operations, &dm96xx_out_operations );
usb_refill_init ( &dm96xx->usbnet.intr, 0, DM96XX_INTR_MAX_FILL );
usb_refill_init ( &dm96xx->usbnet.in, DM96XX_IN_MTU,
DM96XX_IN_MAX_FILL );
DBGC ( dm96xx, "DM96XX %p on %s\n", dm96xx, func->name );
/* Describe USB network device */
if ( ( rc = usbnet_describe ( &dm96xx->usbnet, config ) ) != 0 ) {
DBGC ( dm96xx, "DM96XX %p could not describe: %s\n",
dm96xx, strerror ( rc ) );
goto err_describe;
}
/* Reset device */
if ( ( rc = dm96xx_reset ( dm96xx ) ) != 0 )
goto err_reset;
/* Read MAC address */
if ( ( rc = dm96xx_read_mac ( dm96xx, netdev->hw_addr ) ) != 0 )
goto err_read_mac;
/* Get initial link status */
if ( ( rc = dm96xx_check_link ( dm96xx ) ) != 0 )
goto err_check_link;
/* Register network device */
if ( ( rc = register_netdev ( netdev ) ) != 0 )
goto err_register;
usb_func_set_drvdata ( func, netdev );
return 0;
unregister_netdev ( netdev );
err_register:
err_check_link:
err_read_mac:
err_reset:
err_describe:
netdev_nullify ( netdev );
netdev_put ( netdev );
err_alloc:
return rc;
}
