/**
* Set receive filters
*
* @v nii NII NIC
* @ret rc Return status code
*/
static int nii_set_rx_filters ( struct nii_nic *nii ) {
uint32_t implementation = nii->undi->Implementation;
unsigned int flags;
unsigned int op;
int stat;
int rc;
/* Construct receive filter set */
flags = ( PXE_OPFLAGS_RECEIVE_FILTER_ENABLE |
PXE_OPFLAGS_RECEIVE_FILTER_UNICAST );
if ( implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED )
flags |= PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST;
if ( implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED )
flags |= PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS;
if ( implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED )
flags |= PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST;
/* Issue command */
op = NII_OP ( PXE_OPCODE_RECEIVE_FILTERS, flags );
if ( ( stat = nii_issue ( nii, op ) ) < 0 ) {
rc = -EIO_STAT ( stat );
DBGC ( nii, "NII %s could not set receive filters %#04x: %s\n",
nii->dev.name, flags, strerror ( rc ) );
return rc;
}
return 0;
}
/**
* Stop UNDI
*
* @v nii NII NIC
*/
static void nii_stop_undi ( struct nii_nic *nii ) {
int stat;
int rc;
/* Issue command */
if ( ( stat = nii_issue ( nii, PXE_OPCODE_STOP ) ) < 0 ) {
rc = -EIO_STAT ( stat );
DBGC ( nii, "NII %s could not stop: %s\n",
nii->dev.name, strerror ( rc ) );
/* Nothing we can do about it */
return;
}
}
/**
* Shut down UNDI
*
* @v nii NII NIC
*/
static void nii_shutdown ( struct nii_nic *nii ) {
int stat;
int rc;
/* Issue command */
if ( ( stat = nii_issue ( nii, PXE_OPCODE_SHUTDOWN ) ) < 0 ) {
rc = -EIO_STAT ( stat );
DBGC ( nii, "NII %s could not shut down: %s\n",
nii->dev.name, strerror ( rc ) );
/* Leak memory to avoid corruption */
return;
}
/* Free buffer */
ufree ( nii->buffer );
}
/**
* Set receive filters
*
* @v nii NII NIC
* @ret rc Return status code
*/
static int nii_set_rx_filters ( struct nii_nic *nii ) {
unsigned int op;
int stat;
int rc;
/* Issue command */
op = NII_OP ( PXE_OPCODE_RECEIVE_FILTERS,
( PXE_OPFLAGS_RECEIVE_FILTER_ENABLE |
PXE_OPFLAGS_RECEIVE_FILTER_UNICAST |
PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST |
PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS |
PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST ) );
if ( ( stat = nii_issue ( nii, op ) ) < 0 ) {
rc = -EIO_STAT ( stat );
DBGC ( nii, "NII %s could not set receive filters: %s\n",
nii->dev.name, strerror ( rc ) );
return rc;
}
return 0;
}
