Return-Path: From: Ankit Navik To: linux-bluetooth@vger.kernel.org Cc: bharat.b.panda@intel.com, ankit.p.navik@intel.com Subject: [PATCH 2/2] Bluetooth: Add HCI command for clear Resolv list Date: Fri, 29 Jun 2018 12:13:20 +0530 Message-Id: <1530254600-32499-1-git-send-email-ankit.p.navik@intel.com> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: 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 --- include/net/bluetooth/hci.h | 2 ++ net/bluetooth/hci_core.c | 5 +++++ net/bluetooth/hci_event.c | 17 +++++++++++++++++ 3 files changed, 24 insertions(+) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 484f24c..4af1a3a 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -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; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 51efc4a..af1675d 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -729,6 +729,11 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt) 0, NULL); } + if (hdev->commands[34] & 0x20) { + /* Clear LE Resolv 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); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index c57969a..3029d79 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -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; -- 1.9.1