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authorJohan Hedberg <johan.hedberg@intel.com>2015-10-22 10:49:38 +0300
committerMarcel Holtmann <marcel@holtmann.org>2015-10-22 11:37:22 +0200
commit89e0ccc882c47a4553698a580bec70cd90bc6319 (patch)
treee60dc5ee2475cb59e83f64a5620d163d07be9cef /net/bluetooth
parentdcc0f0d9ce839e1cc97b95d9dac364047bd1b975 (diff)
Bluetooth: Take advantage of connection abort helpers
Convert the various places mapping connection state to disconnect/cancel HCI command to use the new hci_abort_conn helper API. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_conn.c79
-rw-r--r--net/bluetooth/mgmt.c36
2 files changed, 11 insertions, 104 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 11316159a5a7..665a52fa6c60 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -59,11 +59,6 @@ static const struct sco_param esco_param_msbc[] = {
{ EDR_ESCO_MASK | ESCO_EV3, 0x0008, 0x02 }, /* T1 */
};
-static void hci_le_create_connection_cancel(struct hci_conn *conn)
-{
- hci_send_cmd(conn->hdev, HCI_OP_LE_CREATE_CONN_CANCEL, 0, NULL);
-}
-
/* This function requires the caller holds hdev->lock */
static void hci_connect_le_scan_cleanup(struct hci_conn *conn)
{
@@ -229,29 +224,6 @@ static void hci_acl_create_connection(struct hci_conn *conn)
hci_send_cmd(hdev, HCI_OP_CREATE_CONN, sizeof(cp), &cp);
}
-static void hci_acl_create_connection_cancel(struct hci_conn *conn)
-{
- struct hci_cp_create_conn_cancel cp;
-
- BT_DBG("hcon %p", conn);
-
- if (conn->hdev->hci_ver < BLUETOOTH_VER_1_2)
- return;
-
- bacpy(&cp.bdaddr, &conn->dst);
- hci_send_cmd(conn->hdev, HCI_OP_CREATE_CONN_CANCEL, sizeof(cp), &cp);
-}
-
-static void hci_reject_sco(struct hci_conn *conn)
-{
- struct hci_cp_reject_sync_conn_req cp;
-
- cp.reason = HCI_ERROR_REJ_LIMITED_RESOURCES;
- bacpy(&cp.bdaddr, &conn->dst);
-
- hci_send_cmd(conn->hdev, HCI_OP_REJECT_SYNC_CONN_REQ, sizeof(cp), &cp);
-}
-
int hci_disconnect(struct hci_conn *conn, __u8 reason)
{
struct hci_cp_disconnect cp;
@@ -279,20 +251,6 @@ int hci_disconnect(struct hci_conn *conn, __u8 reason)
return hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp);
}
-static void hci_amp_disconn(struct hci_conn *conn)
-{
- struct hci_cp_disconn_phy_link cp;
-
- BT_DBG("hcon %p", conn);
-
- conn->state = BT_DISCONN;
-
- cp.phy_handle = HCI_PHY_HANDLE(conn->handle);
- cp.reason = hci_proto_disconn_ind(conn);
- hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK,
- sizeof(cp), &cp);
-}
-
static void hci_add_sco(struct hci_conn *conn, __u16 handle)
{
struct hci_dev *hdev = conn->hdev;
@@ -456,35 +414,14 @@ static void hci_conn_timeout(struct work_struct *work)
if (refcnt > 0)
return;
- switch (conn->state) {
- case BT_CONNECT:
- case BT_CONNECT2:
- if (conn->out) {
- if (conn->type == ACL_LINK)
- hci_acl_create_connection_cancel(conn);
- else if (conn->type == LE_LINK) {
- if (test_bit(HCI_CONN_SCANNING, &conn->flags))
- hci_connect_le_scan_remove(conn);
- else
- hci_le_create_connection_cancel(conn);
- }
- } else if (conn->type == SCO_LINK || conn->type == ESCO_LINK) {
- hci_reject_sco(conn);
- }
- break;
- case BT_CONFIG:
- case BT_CONNECTED:
- if (conn->type == AMP_LINK) {
- hci_amp_disconn(conn);
- } else {
- __u8 reason = hci_proto_disconn_ind(conn);
- hci_disconnect(conn, reason);
- }
- break;
- default:
- conn->state = BT_CLOSED;
- break;
+ /* LE connections in scanning state need special handling */
+ if (conn->state == BT_CONNECT && conn->type == LE_LINK &&
+ test_bit(HCI_CONN_SCANNING, &conn->flags)) {
+ hci_connect_le_scan_remove(conn);
+ return;
}
+
+ hci_abort_conn(conn, hci_proto_disconn_ind(conn));
}
/* Enter sniff mode */
@@ -552,7 +489,7 @@ static void le_conn_timeout(struct work_struct *work)
return;
}
- hci_le_create_connection_cancel(conn);
+ hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
}
struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 7ace4663b7ba..7f22119276f3 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1639,35 +1639,8 @@ static int clean_up_hci_state(struct hci_dev *hdev)
discov_stopped = hci_stop_discovery(&req);
list_for_each_entry(conn, &hdev->conn_hash.list, list) {
- struct hci_cp_disconnect dc;
- struct hci_cp_reject_conn_req rej;
-
- switch (conn->state) {
- case BT_CONNECTED:
- case BT_CONFIG:
- dc.handle = cpu_to_le16(conn->handle);
- dc.reason = 0x15; /* Terminated due to Power Off */
- hci_req_add(&req, HCI_OP_DISCONNECT, sizeof(dc), &dc);
- break;
- case BT_CONNECT:
- if (conn->type == LE_LINK)
- hci_req_add(&req, HCI_OP_LE_CREATE_CONN_CANCEL,
- 0, NULL);
- else if (conn->type == ACL_LINK)
- hci_req_add(&req, HCI_OP_CREATE_CONN_CANCEL,
- 6, &conn->dst);
- break;
- case BT_CONNECT2:
- bacpy(&rej.bdaddr, &conn->dst);
- rej.reason = 0x15; /* Terminated due to Power Off */
- if (conn->type == ACL_LINK)
- hci_req_add(&req, HCI_OP_REJECT_CONN_REQ,
- sizeof(rej), &rej);
- else if (conn->type == SCO_LINK)
- hci_req_add(&req, HCI_OP_REJECT_SYNC_CONN_REQ,
- sizeof(rej), &rej);
- break;
- }
+ /* 0x15 == Terminated due to Power Off */
+ __hci_abort_conn(&req, conn, 0x15);
}
err = hci_req_run(&req, clean_up_hci_complete);
@@ -3053,7 +3026,6 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
struct mgmt_cp_unpair_device *cp = data;
struct mgmt_rp_unpair_device rp;
struct hci_conn_params *params;
- struct hci_cp_disconnect dc;
struct mgmt_pending_cmd *cmd;
struct hci_conn *conn;
u8 addr_type;
@@ -3170,9 +3142,7 @@ done:
cmd->cmd_complete = addr_cmd_complete;
- dc.handle = cpu_to_le16(conn->handle);
- dc.reason = 0x13; /* Remote User Terminated Connection */
- err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc);
+ err = hci_abort_conn(conn, HCI_ERROR_REMOTE_USER_TERM);
if (err < 0)
mgmt_pending_remove(cmd);