/****************************************************
* Invoked from bluetooth stack via hdev->send()
* to send the packet out via ar6k to PAL firmware.
*
* For HCI command packet wmi_send_hci_cmd() is invoked.
* wmi_send_hci_cmd adds WMI_CMD_HDR and sends the packet
* to PAL firmware.
*
* For HCI ACL data packet wmi_data_hdr_add is invoked
* to add WMI_DATA_HDR to the packet. ar6000_acl_data_tx
* is then invoked to send the packet to PAL firmware.
******************************************************/
static int btpal_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *)skb->dev;
HCI_TRANSPORT_PACKET_TYPE type;
ar6k_hci_pal_info_t *pHciPalInfo;
A_STATUS status = A_OK;
struct sk_buff *txSkb = NULL;
AR_SOFTC_DEV_T *ar;
if (!hdev) {
PRIN_LOG("HCI PAL: btpal_send_frame - no device\n");
return -ENODEV;
}
if (!test_bit(HCI_RUNNING, &hdev->flags)) {
PRIN_LOG("HCI PAL: btpal_send_frame - not open\n");
return -EBUSY;
}
pHciPalInfo = (ar6k_hci_pal_info_t *)hdev->driver_data;
A_ASSERT(pHciPalInfo != NULL);
ar = pHciPalInfo->ar;
PRIN_LOG("+btpal_send_frame type: %d \n",bt_cb(skb)->pkt_type);
type = HCI_COMMAND_TYPE;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
type = HCI_COMMAND_TYPE;
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
type = HCI_ACL_TYPE;
hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
/* we don't support SCO over the pal */
kfree_skb(skb);
return 0;
default:
A_ASSERT(FALSE);
kfree_skb(skb);
return 0;
}
if(loghci) {
A_PRINTF(">>> Send HCI %s packet len: %d\n",
(type == HCI_COMMAND_TYPE) ? "COMMAND" : "ACL",
skb->len);
if (type == HCI_COMMAND_TYPE) {
A_PRINTF("HCI Command: OGF:0x%X OCF:0x%X \r\n",
(HCI_GET_OP_CODE(skb->data)) >> 10,
(HCI_GET_OP_CODE(skb->data)) & 0x3FF);
}
DebugDumpBytes(skb->data,skb->len,"BT HCI SEND Packet Dump");
}
/*
* bt_send_frame - send data frames
*/
static int bt_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *)skb->dev;
HCI_TRANSPORT_PACKET_TYPE type;
AR6K_HCI_BRIDGE_INFO *pHcidevInfo;
HTC_PACKET *pPacket;
A_STATUS status = A_OK;
struct sk_buff *txSkb = NULL;
if (!hdev) {
AR_DEBUG_PRINTF(ATH_DEBUG_WARN, ("HCI Bridge: bt_send_frame - no device\n"));
return -ENODEV;
}
if (!test_bit(HCI_RUNNING, &hdev->flags)) {
AR_DEBUG_PRINTF(ATH_DEBUG_TRC, ("HCI Bridge: bt_send_frame - not open\n"));
return -EBUSY;
}
pHcidevInfo = (AR6K_HCI_BRIDGE_INFO *)hdev->driver_data;
A_ASSERT(pHcidevInfo != NULL);
AR_DEBUG_PRINTF(ATH_DEBUG_HCI_SEND, ("+bt_send_frame type: %d \n",bt_cb(skb)->pkt_type));
type = HCI_COMMAND_TYPE;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
type = HCI_COMMAND_TYPE;
hdev->stat.cmd_tx++;
break;
case HCI_ACLDATA_PKT:
type = HCI_ACL_TYPE;
hdev->stat.acl_tx++;
break;
case HCI_SCODATA_PKT:
/* we don't support SCO over the bridge */
kfree_skb(skb);
return 0;
default:
A_ASSERT(FALSE);
kfree_skb(skb);
return 0;
}
if (AR_DEBUG_LVL_CHECK(ATH_DEBUG_HCI_DUMP)) {
AR_DEBUG_PRINTF(ATH_DEBUG_ANY,(">>> Send HCI %s packet len: %d\n",
(type == HCI_COMMAND_TYPE) ? "COMMAND" : "ACL",
skb->len));
if (type == HCI_COMMAND_TYPE) {
A_UINT16 opcode = HCI_GET_OP_CODE(skb->data);
AR_DEBUG_PRINTF(ATH_DEBUG_ANY,(" HCI Command: OGF:0x%X OCF:0x%X \r\n",
opcode >> 10, opcode & 0x3FF));
}
AR_DEBUG_PRINTBUF(skb->data,skb->len,"BT HCI SEND Packet Dump");
}
ATHBT_STATE_INDICATION FCore_FilterBTCommand(BT_FILTER_CORE_INFO *pCore, A_UINT8 *pBuffer, int Length, ATHBT_STATE *pNewState)
{
ATHBT_STATE_INDICATION indication = ATH_BT_NOOP;
ATHBT_STATE state = STATE_OFF;
A_UINT16 command;
if (!IS_LINK_CONTROL_CMD(pBuffer)) {
/* we only filter link control commands */
return indication;
}
command = HCI_GET_OP_CODE(pBuffer);
switch (command) {
case HCI_INQUIRY :
if (IS_STATE_FILTER_IGNORED(pCore, ATH_BT_INQUIRY)) {
break;
}
indication = ATH_BT_INQUIRY;
state = STATE_ON;
break;
case HCI_INQUIRY_CANCEL :
if (IS_STATE_FILTER_IGNORED(pCore, ATH_BT_INQUIRY)) {
break;
}
indication = ATH_BT_INQUIRY;
state = STATE_OFF;
break;
case HCI_CREATE_CONNECTION :
if (IS_STATE_FILTER_IGNORED(pCore, ATH_BT_CONNECT)) {
break;
}
indication = ATH_BT_CONNECT;
state = STATE_ON;
break;
case HCI_ACCEPT_CONN_REQ :
if (IS_STATE_FILTER_IGNORED(pCore, ATH_BT_CONNECT)) {
break;
}
indication = ATH_BT_CONNECT;
state = STATE_ON;
break;
case HCI_ADD_SCO :
/* we do not need to handle this command, we can pick up the connection complete event */
case HCI_DISCONNECT :
/* we don't need to handle this command as we can pick up the disconnect event */
case HCI_PER_INQUIRY :
case HCI_PER_INQUIRY_CANCEL :
/* we do not handle these currently */
default :
break;
}
if (indication != ATH_BT_NOOP) {
/* the HCI filter simply determines the "precise" state and calls the shared function */
return FCore_FilterIndicatePreciseState(pCore, indication, state, pNewState);
}
return ATH_BT_NOOP;
}
