/*
* Performs the sequence necessary to read a 16/32 bit config/info item
* and convert it to host order.
*
* Arguments:
* hw device structure
* rid config/info record id (in host order)
* val ptr to 16/32 bit buffer to receive value (in host order)
*
* Returns:
* 0 success
*/
#if 0 /* Not actually used anywhere */
static int hfa384x_drvr_getconfig16(hfa384x_t *hw, uint16_t rid, void *val)
{
int result = 0;
result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(uint16_t));
if ( result == 0 ) {
*((uint16_t*)val) = hfa384x2host_16(*((uint16_t*)val));
}
return result;
}
#endif
#if 0 /* Not actually used anywhere */
static int hfa384x_drvr_getconfig32(hfa384x_t *hw, uint16_t rid, void *val)
{
int result = 0;
result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(uint32_t));
if ( result == 0 ) {
*((uint32_t*)val) = hfa384x2host_32(*((uint32_t*)val));
}
return result;
}
/*
* Performs the sequence necessary to read a 16/32 bit config/info item
* and convert it to host order.
*
* Arguments:
* hw device structure
* rid config/info record id (in host order)
* val ptr to 16/32 bit buffer to receive value (in host order)
*
* Returns:
* 0 success
*/
#if 0 /* Not actually used anywhere */
static int hfa384x_drvr_getconfig16(hfa384x_t *hw, UINT16 rid, void *val)
{
int result = 0;
result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT16));
if ( result == 0 ) {
*((UINT16*)val) = hfa384x2host_16(*((UINT16*)val));
}
return result;
}
#endif
#if 0 /* Not actually used anywhere */
static int hfa384x_drvr_getconfig32(hfa384x_t *hw, UINT16 rid, void *val)
{
int result = 0;
result = hfa384x_drvr_getconfig(hw, rid, val, sizeof(UINT32));
if ( result == 0 ) {
*((UINT32*)val) = hfa384x2host_32(*((UINT32*)val));
}
return result;
}
/**************************************************************************
POLL - Wait for a frame
***************************************************************************/
static int prism2_poll(struct nic *nic, int retrieve)
{
uint16_t reg;
uint16_t rxfid;
uint16_t result;
hfa384x_rx_frame_t rxdesc;
hfa384x_t *hw = &hw_global;
/* Check for received packet */
reg = hfa384x_getreg(hw, HFA384x_EVSTAT);
if ( ! HFA384x_EVSTAT_ISRX(reg) ) {
/* No packet received - return 0 */
return 0;
}
if ( ! retrieve ) return 1;
/* Acknowledge RX event */
hfa384x_setreg(hw, HFA384x_EVACK_RX_SET(1), HFA384x_EVACK);
/* Get RX FID */
rxfid = hfa384x_getreg(hw, HFA384x_RXFID);
/* Get the descriptor (including headers) */
result = hfa384x_copy_from_bap(hw, rxfid, 0, &rxdesc, sizeof(rxdesc));
if ( result ) {
return 0; /* fail */
}
/* Byte order convert once up front. */
rxdesc.status = hfa384x2host_16(rxdesc.status);
rxdesc.time = hfa384x2host_32(rxdesc.time);
rxdesc.data_len = hfa384x2host_16(rxdesc.data_len);
/* Fill in nic->packetlen */
nic->packetlen = rxdesc.data_len;
if ( nic->packetlen > 0 ) {
/* Fill in nic->packet */
/*
* NOTE: Packets as received have an 8-byte header (LLC+SNAP(?)) terminating with the packet type.
* Etherboot expects a 14-byte header terminating with the packet type (it ignores the rest of the
* header), so we use a quick hack to achieve this.
*/
result = hfa384x_copy_from_bap(hw, rxfid, HFA384x_RX_DATA_OFF,
nic->packet + ETH_HLEN - sizeof(wlan_80211hdr_t), nic->packetlen);
if ( result ) {
return 0; /* fail */
}
}
return 1; /* Packet successfully received */
}
