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Bluetooth: Add HCI Read Data Block Size function

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Implement block size read function. Use different variables for
packet-based and block-based flow control.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Andrei Emeltchenko 2011-12-07 15:56:51 +02:00 committed by Gustavo F. Padovan
parent c9c2659f1e
commit 350ee4cfc0
3 changed files with 39 additions and 0 deletions
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8
include/net/bluetooth/hci.h
View file

@ -746,6 +746,14 @@ struct hci_rp_read_bd_addr {
bdaddr_t bdaddr;
} __packed;
#define HCI_OP_READ_DATA_BLOCK_SIZE 0x100a
struct hci_rp_read_data_block_size {
__u8 status;
__le16 max_acl_len;
__le16 block_len;
__le16 num_blocks;
} __packed;
#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
struct hci_cp_write_page_scan_activity {
__le16 interval;

5
include/net/bluetooth/hci_core.h
View file

@ -181,6 +181,11 @@ struct hci_dev {
unsigned int sco_pkts;
unsigned int le_pkts;
__u16 block_len;
__u16 block_mtu;
__u16 num_blocks;
__u16 block_cnt;
unsigned long acl_last_tx;
unsigned long sco_last_tx;
unsigned long le_last_tx;

26
net/bluetooth/hci_event.c
View file

@ -767,6 +767,28 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
}
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_read_data_block_size *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
if (rp->status)
return;
hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
hdev->block_len = __le16_to_cpu(rp->block_len);
hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
hdev->block_cnt = hdev->num_blocks;
BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
hdev->block_cnt, hdev->block_len);
hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
}
static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@ -2018,6 +2040,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_read_bd_addr(hdev, skb);
break;
case HCI_OP_READ_DATA_BLOCK_SIZE:
hci_cc_read_data_block_size(hdev, skb);
break;
case HCI_OP_WRITE_CA_TIMEOUT:
hci_cc_write_ca_timeout(hdev, skb);
break;