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Bluetooth: Use LE buffers for LE traffic

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Bluetooth chips may have separate buffers for LE traffic.
This patch add support to use LE buffers provided by the chip.

Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Ville Tervo
2011-02-10 22:38:48 -03:00
committed by Gustavo F. Padovan
parent fcd89c09a5
commit 6ed58ec520
4 changed files with 113 additions and 4 deletions
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33
net/bluetooth/hci_event.c
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@@ -776,6 +776,25 @@ static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
mgmt_pin_code_neg_reply_complete(hdev->id, &rp->bdaddr,
rp->status);
}
static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_le_read_buffer_size *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->le_mtu = __le16_to_cpu(rp->le_mtu);
hdev->le_pkts = rp->le_max_pkt;
hdev->le_cnt = hdev->le_pkts;
BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
{
@@ -1704,6 +1723,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_pin_code_neg_reply(hdev, skb);
break;
case HCI_OP_LE_READ_BUFFER_SIZE:
hci_cc_le_read_buffer_size(hdev, skb);
break;
default:
BT_DBG("%s opcode 0x%x", hdev->name, opcode);
break;
@@ -1849,6 +1872,16 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
hdev->acl_cnt += count;
if (hdev->acl_cnt > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
} else if (conn->type == LE_LINK) {
if (hdev->le_pkts) {
hdev->le_cnt += count;
if (hdev->le_cnt > hdev->le_pkts)
hdev->le_cnt = hdev->le_pkts;
} else {
hdev->acl_cnt += count;
if (hdev->acl_cnt > hdev->acl_pkts)
hdev->acl_cnt = hdev->acl_pkts;
}
} else {
hdev->sco_cnt += count;
if (hdev->sco_cnt > hdev->sco_pkts)