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Bluetooth: Add HCI Read Data Block Size function
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>
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@ -746,6 +746,14 @@ struct hci_rp_read_bd_addr {
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bdaddr_t bdaddr;
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} __packed;
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#define HCI_OP_READ_DATA_BLOCK_SIZE 0x100a
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struct hci_rp_read_data_block_size {
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__u8 status;
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__le16 max_acl_len;
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__le16 block_len;
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__le16 num_blocks;
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} __packed;
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#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
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struct hci_cp_write_page_scan_activity {
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__le16 interval;
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@ -181,6 +181,11 @@ struct hci_dev {
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unsigned int sco_pkts;
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unsigned int le_pkts;
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__u16 block_len;
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__u16 block_mtu;
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__u16 num_blocks;
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__u16 block_cnt;
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unsigned long acl_last_tx;
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unsigned long sco_last_tx;
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unsigned long le_last_tx;
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@ -767,6 +767,28 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
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hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
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}
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static void hci_cc_read_data_block_size(struct hci_dev *hdev,
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struct sk_buff *skb)
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{
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struct hci_rp_read_data_block_size *rp = (void *) skb->data;
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BT_DBG("%s status 0x%x", hdev->name, rp->status);
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if (rp->status)
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return;
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hdev->block_mtu = __le16_to_cpu(rp->max_acl_len);
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hdev->block_len = __le16_to_cpu(rp->block_len);
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hdev->num_blocks = __le16_to_cpu(rp->num_blocks);
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hdev->block_cnt = hdev->num_blocks;
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BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
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hdev->block_cnt, hdev->block_len);
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hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
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}
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static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
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{
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__u8 status = *((__u8 *) skb->data);
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@ -2018,6 +2040,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
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hci_cc_read_bd_addr(hdev, skb);
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break;
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case HCI_OP_READ_DATA_BLOCK_SIZE:
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hci_cc_read_data_block_size(hdev, skb);
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break;
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case HCI_OP_WRITE_CA_TIMEOUT:
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hci_cc_write_ca_timeout(hdev, skb);
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break;
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