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Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c123
1 files changed, 102 insertions, 21 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index e4f564d6f6fb..b31192d473d0 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -25,7 +25,7 @@
/* Bluetooth HCI Management interface */
#include <linux/module.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
@@ -132,6 +132,7 @@ static const u16 mgmt_commands[] = {
MGMT_OP_MESH_READ_FEATURES,
MGMT_OP_MESH_SEND,
MGMT_OP_MESH_SEND_CANCEL,
+ MGMT_OP_HCI_CMD_SYNC,
};
static const u16 mgmt_events[] = {
@@ -1317,7 +1318,8 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
struct mgmt_mode *cp;
/* Make sure cmd still outstanding. */
- if (cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
return;
cp = cmd->param;
@@ -1350,7 +1352,13 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
static int set_powered_sync(struct hci_dev *hdev, void *data)
{
struct mgmt_pending_cmd *cmd = data;
- struct mgmt_mode *cp = cmd->param;
+ struct mgmt_mode *cp;
+
+ /* Make sure cmd still outstanding. */
+ if (cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+ return -ECANCELED;
+
+ cp = cmd->param;
BT_DBG("%s", hdev->name);
@@ -1453,10 +1461,15 @@ static void cmd_status_rsp(struct mgmt_pending_cmd *cmd, void *data)
static void cmd_complete_rsp(struct mgmt_pending_cmd *cmd, void *data)
{
- if (cmd->cmd_complete) {
- u8 *status = data;
+ struct cmd_lookup *match = data;
- cmd->cmd_complete(cmd, *status);
+ /* dequeue cmd_sync entries using cmd as data as that is about to be
+ * removed/freed.
+ */
+ hci_cmd_sync_dequeue(match->hdev, NULL, cmd, NULL);
+
+ if (cmd->cmd_complete) {
+ cmd->cmd_complete(cmd, match->mgmt_status);
mgmt_pending_remove(cmd);
return;
@@ -1505,7 +1518,8 @@ static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
bt_dev_dbg(hdev, "err %d", err);
/* Make sure cmd still outstanding. */
- if (cmd != pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
return;
hci_dev_lock(hdev);
@@ -1679,7 +1693,8 @@ static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
bt_dev_dbg(hdev, "err %d", err);
/* Make sure cmd still outstanding. */
- if (cmd != pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
return;
hci_dev_lock(hdev);
@@ -1911,7 +1926,7 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
bool changed;
/* Make sure cmd still outstanding. */
- if (cmd != pending_find(MGMT_OP_SET_SSP, hdev))
+ if (err == -ECANCELED || cmd != pending_find(MGMT_OP_SET_SSP, hdev))
return;
if (err) {
@@ -2510,6 +2525,64 @@ unlock:
return err;
}
+static int send_hci_cmd_sync(struct hci_dev *hdev, void *data)
+{
+ struct mgmt_pending_cmd *cmd = data;
+ struct mgmt_cp_hci_cmd_sync *cp = cmd->param;
+ struct sk_buff *skb;
+
+ skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cp->opcode),
+ le16_to_cpu(cp->params_len), cp->params,
+ cp->event, cp->timeout ?
+ msecs_to_jiffies(cp->timeout * 1000) :
+ HCI_CMD_TIMEOUT);
+ if (IS_ERR(skb)) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_HCI_CMD_SYNC,
+ mgmt_status(PTR_ERR(skb)));
+ goto done;
+ }
+
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_HCI_CMD_SYNC, 0,
+ skb->data, skb->len);
+
+ kfree_skb(skb);
+
+done:
+ mgmt_pending_free(cmd);
+
+ return 0;
+}
+
+static int mgmt_hci_cmd_sync(struct sock *sk, struct hci_dev *hdev,
+ void *data, u16 len)
+{
+ struct mgmt_cp_hci_cmd_sync *cp = data;
+ struct mgmt_pending_cmd *cmd;
+ int err;
+
+ if (len < sizeof(*cp))
+ return mgmt_cmd_status(sk, hdev->id, MGMT_OP_HCI_CMD_SYNC,
+ MGMT_STATUS_INVALID_PARAMS);
+
+ hci_dev_lock(hdev);
+ cmd = mgmt_pending_new(sk, MGMT_OP_HCI_CMD_SYNC, hdev, data, len);
+ if (!cmd)
+ err = -ENOMEM;
+ else
+ err = hci_cmd_sync_queue(hdev, send_hci_cmd_sync, cmd, NULL);
+
+ if (err < 0) {
+ err = mgmt_cmd_status(sk, hdev->id, MGMT_OP_HCI_CMD_SYNC,
+ MGMT_STATUS_FAILED);
+
+ if (cmd)
+ mgmt_pending_free(cmd);
+ }
+
+ hci_dev_unlock(hdev);
+ return err;
+}
+
/* This is a helper function to test for pending mgmt commands that can
* cause CoD or EIR HCI commands. We can only allow one such pending
* mgmt command at a time since otherwise we cannot easily track what
@@ -3777,7 +3850,8 @@ static void set_name_complete(struct hci_dev *hdev, void *data, int err)
bt_dev_dbg(hdev, "err %d", err);
- if (cmd != pending_find(MGMT_OP_SET_LOCAL_NAME, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_SET_LOCAL_NAME, hdev))
return;
if (status) {
@@ -3952,7 +4026,8 @@ static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
struct sk_buff *skb = cmd->skb;
u8 status = mgmt_status(err);
- if (cmd != pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev))
return;
if (!status) {
@@ -5843,13 +5918,16 @@ static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
{
struct mgmt_pending_cmd *cmd = data;
+ bt_dev_dbg(hdev, "err %d", err);
+
+ if (err == -ECANCELED)
+ return;
+
if (cmd != pending_find(MGMT_OP_START_DISCOVERY, hdev) &&
cmd != pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev) &&
cmd != pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev))
return;
- bt_dev_dbg(hdev, "err %d", err);
-
mgmt_cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(err),
cmd->param, 1);
mgmt_pending_remove(cmd);
@@ -6082,7 +6160,8 @@ static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
{
struct mgmt_pending_cmd *cmd = data;
- if (cmd != pending_find(MGMT_OP_STOP_DISCOVERY, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_STOP_DISCOVERY, hdev))
return;
bt_dev_dbg(hdev, "err %d", err);
@@ -8073,7 +8152,8 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
u8 status = mgmt_status(err);
u16 eir_len;
- if (cmd != pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev))
+ if (err == -ECANCELED ||
+ cmd != pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev))
return;
if (!status) {
@@ -9366,6 +9446,7 @@ static const struct hci_mgmt_handler mgmt_handlers[] = {
{ mesh_send, MGMT_MESH_SEND_SIZE,
HCI_MGMT_VAR_LEN },
{ mesh_send_cancel, MGMT_MESH_SEND_CANCEL_SIZE },
+ { mgmt_hci_cmd_sync, MGMT_HCI_CMD_SYNC_SIZE, HCI_MGMT_VAR_LEN },
};
void mgmt_index_added(struct hci_dev *hdev)
@@ -9394,12 +9475,12 @@ void mgmt_index_added(struct hci_dev *hdev)
void mgmt_index_removed(struct hci_dev *hdev)
{
struct mgmt_ev_ext_index ev;
- u8 status = MGMT_STATUS_INVALID_INDEX;
+ struct cmd_lookup match = { NULL, hdev, MGMT_STATUS_INVALID_INDEX };
if (test_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks))
return;
- mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &match);
if (hci_dev_test_flag(hdev, HCI_UNCONFIGURED)) {
mgmt_index_event(MGMT_EV_UNCONF_INDEX_REMOVED, hdev, NULL, 0,
@@ -9450,7 +9531,7 @@ void mgmt_power_on(struct hci_dev *hdev, int err)
void __mgmt_power_off(struct hci_dev *hdev)
{
struct cmd_lookup match = { NULL, hdev };
- u8 status, zero_cod[] = { 0, 0, 0 };
+ u8 zero_cod[] = { 0, 0, 0 };
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
@@ -9462,11 +9543,11 @@ void __mgmt_power_off(struct hci_dev *hdev)
* status responses.
*/
if (hci_dev_test_flag(hdev, HCI_UNREGISTER))
- status = MGMT_STATUS_INVALID_INDEX;
+ match.mgmt_status = MGMT_STATUS_INVALID_INDEX;
else
- status = MGMT_STATUS_NOT_POWERED;
+ match.mgmt_status = MGMT_STATUS_NOT_POWERED;
- mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &status);
+ mgmt_pending_foreach(0, hdev, cmd_complete_rsp, &match);
if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) {
mgmt_limited_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
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