/**
* Purpose: IOCTL entry point for network driver
*
* Imports: dev - device structure pointer
* ifr - request structure from user via kernel
* See the ifr_data member.
* cmd - IOCTL code
*
* Exports: Error status
* Response data, if any, is returned via ioctl structures
*
*PUBLIC***************************************************************************/
SYS_INT32 clnketh_ioctl(struct net_device *dev,
struct ifreq *ifr,
SYS_INT32 cmd)
{
SYS_INT32 status = -EINVAL;
dk_context_t *dkcp = (dk_context_t *)dev ;
void *arg = ifr->ifr_data ;
if( !capable(CAP_SYS_ADMIN) ) { // kernel check & set permissions
status = -EPERM;
} else {
switch( cmd )
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 19)
case SIOCETHTOOL :
status = netdev_ethtool_ioctl(dev, (SYS_VOID *)ifr->ifr_data);
break ;
#endif
case SIOCHDRCMD :
break;
case SIOCCLINKDRV : // Control plane commands for the driver
status = clnkioc_driver_cmd( dkcp, arg ) ;
break ;
case SIOCGCLINKMEM : // Reads registers/memory in c.LINK address space
status = clnkioc_mem_read( dkcp, arg ) ;
break ;
#ifndef SONICS_ADDRESS_OF_sniff_buffer_pa
#error "Sniff buffer is not defined"
#else
#if SONICS_ADDRESS_OF_sniff_buffer_pa
// #################################################################
// Handle the case where the application (in this case the deamon)
// wants to read the sniff buffer that holds the descriptors that
// have been logged by the SoC.
// #################################################################
case SIOCGSNIFFMEM : // Reads sniffer buffer directly in the driver
status = clnkioc_sniff_read( dkcp, arg ) ;
break ;
#endif
#endif
case SIOCSCLINKMEM : // Sets registers/memory in c.LINK address space
status = clnkioc_mem_write( dkcp, arg ) ;
break ;
case SIOCGCLNKCMD : // mbox cmmds: request with response
status = clnkioc_mbox_cmd_request( dkcp, arg, 1 ) ;
break ;
case SIOCSCLNKCMD : // mbox cmmds: request with no response
status = clnkioc_mbox_cmd_request( dkcp, arg, 0 ) ;
break ;
case SIOCLNKDRV : // mbox cmmds: retrieve unsol messages
status = clnkioc_mbox_unsolq_retrieve( dkcp, arg ) ;
break ;
default:
return -EOPNOTSUPP;
}
}
return(status);
}
static int awc_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
switch (cmd) {
case SIOCETHTOOL:
return netdev_ethtool_ioctl(dev, (void *) rq->ifr_data);
default:
return -EOPNOTSUPP;
}
return 0;
}
static int netdev_ioctl (struct net_device *dev, struct ifreq *rq, int cmd)
{
int rc = 0;
switch (cmd) {
case SIOCETHTOOL:
rc = netdev_ethtool_ioctl(dev, (void *) rq->ifr_data);
break;
default:
rc = -EOPNOTSUPP;
break;
}
return rc;
}
int adapter_ioctl(struct net_device *net, struct ifreq *rq, int cmd)
{
struct net_adapter *adapter = netdev_priv(net);
if (adapter->halted) {
dump_debug("Driver already halted. Returning Failure...");
return STATUS_UNSUCCESSFUL;
}
switch (cmd) {
case SIOCETHTOOL:
return netdev_ethtool_ioctl(net, (void *)rq->ifr_data);
default:
return -EOPNOTSUPP;
}
return 0;
}
