Return-Path: From: Arman Uguray To: linux-bluetooth@vger.kernel.org Cc: Arman Uguray Subject: [PATCH v2 2/8] Bluetooth: Support the "connectable mode" adv flag Date: Wed, 25 Mar 2015 18:53:40 -0700 Message-Id: <1427334826-14858-2-git-send-email-armansito@chromium.org> In-Reply-To: <1427334826-14858-1-git-send-email-armansito@chromium.org> References: <1427334826-14858-1-git-send-email-armansito@chromium.org> Sender: linux-bluetooth-owner@vger.kernel.org List-ID: This patch adds support for the "connectable mode" flag of the Add Advertising command. Signed-off-by: Arman Uguray --- net/bluetooth/mgmt.c | 87 +++++++++++++++++++++++++++++++++------------------- 1 file changed, 56 insertions(+), 31 deletions(-) diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 38b03bd..e6280dc 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1013,11 +1013,8 @@ static void update_adv_data_for_instance(struct hci_request *req, u8 instance) hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); } -static void update_adv_data(struct hci_request *req) +static u8 get_current_adv_instance(struct hci_dev *hdev) { - struct hci_dev *hdev = req->hdev; - u8 instance; - /* The "Set Advertising" setting supersedes the "Add Advertising" * setting. Here we set the advertising data based on which * setting was set. When neither apply, default to the global settings, @@ -1025,9 +1022,54 @@ static void update_adv_data(struct hci_request *req) */ if (hci_dev_test_flag(hdev, HCI_ADVERTISING_INSTANCE) && !hci_dev_test_flag(hdev, HCI_ADVERTISING)) - instance = 0x01; - else - instance = 0x00; + return 0x01; + + return 0x00; +} + +static bool get_connectable(struct hci_dev *hdev) +{ + struct mgmt_pending_cmd *cmd; + + /* If there's a pending mgmt command the flag will not yet have + * it's final value, so check for this first. + */ + cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); + if (cmd) { + struct mgmt_mode *cp = cmd->param; + + return cp->val; + } + + return hci_dev_test_flag(hdev, HCI_CONNECTABLE); +} + +static u32 get_adv_instance_flags(struct hci_dev *hdev, u8 instance) +{ + u32 flags; + + if (instance > 0x01) + return 0; + + if (instance == 1) + return hdev->adv_instance.flags; + + flags = 0; + + /* For instance 0, assemble the flags from global settings */ + if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE) || + get_connectable(hdev)) + flags |= MGMT_ADV_FLAG_CONNECTABLE; + + /* TODO: Add the rest of the flags */ + + return flags; +} + +static void update_adv_data(struct hci_request *req) +{ + struct hci_dev *hdev = req->hdev; + u8 instance = get_current_adv_instance(hdev); update_adv_data_for_instance(req, instance); } @@ -1159,22 +1201,6 @@ static void update_class(struct hci_request *req) hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); } -static bool get_connectable(struct hci_dev *hdev) -{ - struct mgmt_pending_cmd *cmd; - - /* If there's a pending mgmt command the flag will not yet have - * it's final value, so check for this first. - */ - cmd = pending_find(MGMT_OP_SET_CONNECTABLE, hdev); - if (cmd) { - struct mgmt_mode *cp = cmd->param; - return cp->val; - } - - return hci_dev_test_flag(hdev, HCI_CONNECTABLE); -} - static void disable_advertising(struct hci_request *req) { u8 enable = 0x00; @@ -1188,6 +1214,8 @@ static void enable_advertising(struct hci_request *req) struct hci_cp_le_set_adv_param cp; u8 own_addr_type, enable = 0x01; bool connectable; + u8 instance; + u32 flags; if (hci_conn_num(hdev, LE_LINK) > 0) return; @@ -1202,10 +1230,9 @@ static void enable_advertising(struct hci_request *req) */ hci_dev_clear_flag(hdev, HCI_LE_ADV); - if (hci_dev_test_flag(hdev, HCI_ADVERTISING_CONNECTABLE)) - connectable = true; - else - connectable = get_connectable(hdev); + instance = get_current_adv_instance(hdev); + flags = get_adv_instance_flags(hdev, instance); + connectable = (flags & MGMT_ADV_FLAG_CONNECTABLE); /* Set require_privacy to true only when non-connectable * advertising is used. In that case it is fine to use a @@ -6623,10 +6650,8 @@ static int add_advertising(struct sock *sk, struct hci_dev *hdev, flags = __le32_to_cpu(cp->flags); timeout = __le16_to_cpu(cp->timeout); - /* The current implementation only supports adding one instance and - * doesn't support flags. - */ - if (cp->instance != 0x01 || flags) + /* The current implementation only supports adding one instance */ + if (cp->instance != 0x01) return mgmt_cmd_status(sk, hdev->id, MGMT_OP_ADD_ADVERTISING, MGMT_STATUS_INVALID_PARAMS); -- 2.2.0.rc0.207.ga3a616c