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Bluetooth: Add HCI command for clear Resolv list

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Check for Resolv list supported by controller. So check the supported
commmand first before issuing this command i.e.,HCI_OP_LE_CLEAR_RESOLV_LIST

Before patch:
< HCI Command: LE Read White List... (0x08|0x000f) plen 0  #55 [hci0] 13.338168
> HCI Event: Command Complete (0x0e) plen 5                #56 [hci0] 13.338842
      LE Read White List Size (0x08|0x000f) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Clear White List (0x08|0x0010) plen 0    #57 [hci0] 13.339029
> HCI Event: Command Complete (0x0e) plen 4                #58 [hci0] 13.339939
      LE Clear White List (0x08|0x0010) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Resolving L.. (0x08|0x002a) plen 0  #59 [hci0] 13.340152
> HCI Event: Command Complete (0x0e) plen 5                #60 [hci0] 13.340952
      LE Read Resolving List Size (0x08|0x002a) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Read Maximum Dat.. (0x08|0x002f) plen 0  #61 [hci0] 13.341180
> HCI Event: Command Complete (0x0e) plen 12               #62 [hci0] 13.341898
      LE Read Maximum Data Length (0x08|0x002f) ncmd 1
        Status: Success (0x00)
        Max TX octets: 251
        Max TX time: 17040
        Max RX octets: 251
        Max RX time: 17040

After patch:
< HCI Command: LE Read White List... (0x08|0x000f) plen 0  #55 [hci0] 28.919131
> HCI Event: Command Complete (0x0e) plen 5                #56 [hci0] 28.920016
      LE Read White List Size (0x08|0x000f) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Clear White List (0x08|0x0010) plen 0    #57 [hci0] 28.920164
> HCI Event: Command Complete (0x0e) plen 4                #58 [hci0] 28.920873
      LE Clear White List (0x08|0x0010) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Resolving L.. (0x08|0x002a) plen 0  #59 [hci0] 28.921109
> HCI Event: Command Complete (0x0e) plen 5                #60 [hci0] 28.922016
      LE Read Resolving List Size (0x08|0x002a) ncmd 1
        Status: Success (0x00)
        Size: 25
< HCI Command: LE Clear Resolving... (0x08|0x0029) plen 0  #61 [hci0] 28.922166
> HCI Event: Command Complete (0x0e) plen 4                #62 [hci0] 28.922872
      LE Clear Resolving List (0x08|0x0029) ncmd 1
        Status: Success (0x00)
< HCI Command: LE Read Maximum Dat.. (0x08|0x002f) plen 0  #63 [hci0] 28.923117
> HCI Event: Command Complete (0x0e) plen 12               #64 [hci0] 28.924030
      LE Read Maximum Data Length (0x08|0x002f) ncmd 1
        Status: Success (0x00)
        Max TX octets: 251
        Max TX time: 17040
        Max RX octets: 251
        Max RX time: 17040

Signed-off-by: Ankit Navik <ankit.p.navik@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Ankit Navik 2018-06-29 12:13:20 +05:30 committed by Marcel Holtmann
parent cfdb0c2d09
commit 545f2596b9
3 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
include/net/bluetooth/hci.h
View File

@ -1490,6 +1490,8 @@ struct hci_cp_le_write_def_data_len {
__le16 tx_time;
} __packed;
#define HCI_OP_LE_CLEAR_RESOLV_LIST 0x2029
#define HCI_OP_LE_READ_RESOLV_LIST_SIZE 0x202a
struct hci_rp_le_read_resolv_list_size {
__u8 status;

5
net/bluetooth/hci_core.c
View File

@ -720,6 +720,11 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt)
0, NULL);
}
if (hdev->commands[34] & 0x20) {
/* Clear LE Resolving List */
hci_req_add(req, HCI_OP_LE_CLEAR_RESOLV_LIST, 0, NULL);
}
if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) {
/* Read LE Maximum Data Length */
hci_req_add(req, HCI_OP_LE_READ_MAX_DATA_LEN, 0, NULL);

17
net/bluetooth/hci_event.c
View File

@ -1307,6 +1307,19 @@ static void hci_cc_le_write_def_data_len(struct hci_dev *hdev,
hdev->le_def_tx_time = le16_to_cpu(sent->tx_time);
}
static void hci_cc_le_clear_resolv_list(struct hci_dev *hdev,
struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
BT_DBG("%s status 0x%2.2x", hdev->name, status);
if (status)
return;
hci_bdaddr_list_clear(&hdev->le_resolv_list);
}
static void hci_cc_le_read_resolv_list_size(struct hci_dev *hdev,
struct sk_buff *skb)
{
@ -3029,6 +3042,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb,
hci_cc_le_write_def_data_len(hdev, skb);
break;
case HCI_OP_LE_CLEAR_RESOLV_LIST:
hci_cc_le_clear_resolv_list(hdev, skb);
break;
case HCI_OP_LE_READ_RESOLV_LIST_SIZE:
hci_cc_le_read_resolv_list_size(hdev, skb);
break;