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-rw-r--r--drivers/bluetooth/btmrvl_sdio.c8
-rw-r--r--include/net/bluetooth/bluetooth.h12
-rw-r--r--include/net/bluetooth/hci.h21
-rw-r--r--include/net/bluetooth/hci_core.h28
-rw-r--r--include/net/bluetooth/rfcomm.h6
-rw-r--r--net/bluetooth/a2mp.c6
-rw-r--r--net/bluetooth/af_bluetooth.c15
-rw-r--r--net/bluetooth/bnep/sock.c4
-rw-r--r--net/bluetooth/cmtp/sock.c4
-rw-r--r--net/bluetooth/hci_conn.c4
-rw-r--r--net/bluetooth/hci_core.c727
-rw-r--r--net/bluetooth/hci_event.c605
-rw-r--r--net/bluetooth/hci_sock.c9
-rw-r--r--net/bluetooth/hci_sysfs.c4
-rw-r--r--net/bluetooth/hidp/core.c4
-rw-r--r--net/bluetooth/hidp/sock.c4
-rw-r--r--net/bluetooth/l2cap_sock.c4
-rw-r--r--net/bluetooth/mgmt.c680
-rw-r--r--net/bluetooth/rfcomm/core.c167
-rw-r--r--net/bluetooth/rfcomm/sock.c3
-rw-r--r--net/bluetooth/sco.c3
21 files changed, 1329 insertions, 989 deletions
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
index 9959d4cb23dc..1cb51839912d 100644
--- a/drivers/bluetooth/btmrvl_sdio.c
+++ b/drivers/bluetooth/btmrvl_sdio.c
@@ -83,8 +83,8 @@ static const struct btmrvl_sdio_card_reg btmrvl_reg_87xx = {
};
static const struct btmrvl_sdio_device btmrvl_sdio_sd8688 = {
- .helper = "sd8688_helper.bin",
- .firmware = "sd8688.bin",
+ .helper = "mrvl/sd8688_helper.bin",
+ .firmware = "mrvl/sd8688.bin",
.reg = &btmrvl_reg_8688,
.sd_blksz_fw_dl = 64,
};
@@ -1185,7 +1185,7 @@ MODULE_AUTHOR("Marvell International Ltd.");
MODULE_DESCRIPTION("Marvell BT-over-SDIO driver ver " VERSION);
MODULE_VERSION(VERSION);
MODULE_LICENSE("GPL v2");
-MODULE_FIRMWARE("sd8688_helper.bin");
-MODULE_FIRMWARE("sd8688.bin");
+MODULE_FIRMWARE("mrvl/sd8688_helper.bin");
+MODULE_FIRMWARE("mrvl/sd8688.bin");
MODULE_FIRMWARE("mrvl/sd8787_uapsta.bin");
MODULE_FIRMWARE("mrvl/sd8797_uapsta.bin");
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 9531beee09b5..ed6e9552252e 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h
@@ -232,7 +232,7 @@ struct bt_sock_list {
};
int bt_sock_register(int proto, const struct net_proto_family *ops);
-int bt_sock_unregister(int proto);
+void bt_sock_unregister(int proto);
void bt_sock_link(struct bt_sock_list *l, struct sock *s);
void bt_sock_unlink(struct bt_sock_list *l, struct sock *s);
int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
@@ -260,12 +260,22 @@ struct l2cap_ctrl {
__u8 retries;
};
+struct hci_dev;
+
+typedef void (*hci_req_complete_t)(struct hci_dev *hdev, u8 status);
+
+struct hci_req_ctrl {
+ bool start;
+ hci_req_complete_t complete;
+};
+
struct bt_skb_cb {
__u8 pkt_type;
__u8 incoming;
__u16 expect;
__u8 force_active;
struct l2cap_ctrl control;
+ struct hci_req_ctrl req;
};
#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 7f12c25f1fca..b3308927a0a1 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -119,10 +119,16 @@ enum {
HCI_CONNECTABLE,
HCI_DISCOVERABLE,
HCI_LINK_SECURITY,
- HCI_PENDING_CLASS,
HCI_PERIODIC_INQ,
+ HCI_FAST_CONNECTABLE,
};
+/* A mask for the flags that are supposed to remain when a reset happens
+ * or the HCI device is closed.
+ */
+#define HCI_PERSISTENT_MASK (BIT(HCI_LE_SCAN) | BIT(HCI_PERIODIC_INQ) | \
+ BIT(HCI_FAST_CONNECTABLE))
+
/* HCI ioctl defines */
#define HCIDEVUP _IOW('H', 201, int)
#define HCIDEVDOWN _IOW('H', 202, int)
@@ -881,12 +887,25 @@ struct hci_rp_read_data_block_size {
__le16 num_blocks;
} __packed;
+#define HCI_OP_READ_PAGE_SCAN_ACTIVITY 0x0c1b
+struct hci_rp_read_page_scan_activity {
+ __u8 status;
+ __le16 interval;
+ __le16 window;
+} __packed;
+
#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
struct hci_cp_write_page_scan_activity {
__le16 interval;
__le16 window;
} __packed;
+#define HCI_OP_READ_PAGE_SCAN_TYPE 0x0c46
+struct hci_rp_read_page_scan_type {
+ __u8 status;
+ __u8 type;
+} __packed;
+
#define HCI_OP_WRITE_PAGE_SCAN_TYPE 0x0c47
#define PAGE_SCAN_TYPE_STANDARD 0x00
#define PAGE_SCAN_TYPE_INTERLACED 0x01
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 90cf75afcb02..358a6983d3bb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -165,6 +165,10 @@ struct hci_dev {
__u16 voice_setting;
__u8 io_capability;
__s8 inq_tx_power;
+ __u16 page_scan_interval;
+ __u16 page_scan_window;
+ __u8 page_scan_type;
+
__u16 devid_source;
__u16 devid_vendor;
__u16 devid_product;
@@ -248,8 +252,6 @@ struct hci_dev {
__u32 req_status;
__u32 req_result;
- __u16 init_last_cmd;
-
struct list_head mgmt_pending;
struct discovery_state discovery;
@@ -574,7 +576,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev,
return NULL;
}
-void hci_acl_disconn(struct hci_conn *conn, __u8 reason);
+void hci_disconnect(struct hci_conn *conn, __u8 reason);
void hci_setup_sync(struct hci_conn *conn, __u16 handle);
void hci_sco_setup(struct hci_conn *conn, __u8 status);
@@ -742,8 +744,6 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash,
u8 *randomizer);
int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
-int hci_update_ad(struct hci_dev *hdev);
-
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_frame(struct sk_buff *skb);
@@ -1041,6 +1041,22 @@ static inline u16 eir_append_data(u8 *eir, u16 eir_len, u8 type, u8 *data,
int hci_register_cb(struct hci_cb *hcb);
int hci_unregister_cb(struct hci_cb *hcb);
+struct hci_request {
+ struct hci_dev *hdev;
+ struct sk_buff_head cmd_q;
+
+ /* If something goes wrong when building the HCI request, the error
+ * value is stored in this field.
+ */
+ int err;
+};
+
+void hci_req_init(struct hci_request *req, struct hci_dev *hdev);
+int hci_req_run(struct hci_request *req, hci_req_complete_t complete);
+void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, void *param);
+void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status);
+void hci_req_cmd_status(struct hci_dev *hdev, u16 opcode, u8 status);
+
int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param);
void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags);
void hci_send_sco(struct hci_conn *conn, struct sk_buff *skb);
@@ -1153,7 +1169,7 @@ struct hci_sec_filter {
#define hci_req_lock(d) mutex_lock(&d->req_lock)
#define hci_req_unlock(d) mutex_unlock(&d->req_lock)
-void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result);
+void hci_update_ad(struct hci_request *req);
void hci_le_conn_update(struct hci_conn *conn, u16 min, u16 max,
u16 latency, u16 to_multiplier);
diff --git a/include/net/bluetooth/rfcomm.h b/include/net/bluetooth/rfcomm.h
index e2e3ecad1008..7afd4199d6b6 100644
--- a/include/net/bluetooth/rfcomm.h
+++ b/include/net/bluetooth/rfcomm.h
@@ -158,7 +158,6 @@ struct rfcomm_session {
struct timer_list timer;
unsigned long state;
unsigned long flags;
- atomic_t refcnt;
int initiator;
/* Default DLC parameters */
@@ -276,11 +275,6 @@ static inline void rfcomm_dlc_unthrottle(struct rfcomm_dlc *d)
void rfcomm_session_getaddr(struct rfcomm_session *s, bdaddr_t *src,
bdaddr_t *dst);
-static inline void rfcomm_session_hold(struct rfcomm_session *s)
-{
- atomic_inc(&s->refcnt);
-}
-
/* ---- RFCOMM sockets ---- */
struct sockaddr_rc {
sa_family_t rc_family;
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c
index eb0f4b16ff09..17f33a62f6db 100644
--- a/net/bluetooth/a2mp.c
+++ b/net/bluetooth/a2mp.c
@@ -397,13 +397,12 @@ static int a2mp_getampassoc_rsp(struct amp_mgr *mgr, struct sk_buff *skb,
if (ctrl) {
u8 *assoc;
- assoc = kzalloc(assoc_len, GFP_KERNEL);
+ assoc = kmemdup(rsp->amp_assoc, assoc_len, GFP_KERNEL);
if (!assoc) {
amp_ctrl_put(ctrl);
return -ENOMEM;
}
- memcpy(assoc, rsp->amp_assoc, assoc_len);
ctrl->assoc = assoc;
ctrl->assoc_len = assoc_len;
ctrl->assoc_rem_len = assoc_len;
@@ -472,13 +471,12 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb,
size_t assoc_len = le16_to_cpu(hdr->len) - sizeof(*req);
u8 *assoc;
- assoc = kzalloc(assoc_len, GFP_KERNEL);
+ assoc = kmemdup(req->amp_assoc, assoc_len, GFP_KERNEL);
if (!assoc) {
amp_ctrl_put(ctrl);
return -ENOMEM;
}
- memcpy(assoc, req->amp_assoc, assoc_len);
ctrl->assoc = assoc;
ctrl->assoc_len = assoc_len;
ctrl->assoc_rem_len = assoc_len;
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d3ee69b35a78..81598e588f7f 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -92,23 +92,14 @@ int bt_sock_register(int proto, const struct net_proto_family *ops)
}
EXPORT_SYMBOL(bt_sock_register);
-int bt_sock_unregister(int proto)
+void bt_sock_unregister(int proto)
{
- int err = 0;
-
if (proto < 0 || proto >= BT_MAX_PROTO)
- return -EINVAL;
+ return;
write_lock(&bt_proto_lock);
-
- if (!bt_proto[proto])
- err = -ENOENT;
- else
- bt_proto[proto] = NULL;
-
+ bt_proto[proto] = NULL;
write_unlock(&bt_proto_lock);
-
- return err;
}
EXPORT_SYMBOL(bt_sock_unregister);
diff --git a/net/bluetooth/bnep/sock.c b/net/bluetooth/bnep/sock.c
index e7154a58465f..5b1c04e28821 100644
--- a/net/bluetooth/bnep/sock.c
+++ b/net/bluetooth/bnep/sock.c
@@ -253,8 +253,6 @@ error:
void __exit bnep_sock_cleanup(void)
{
bt_procfs_cleanup(&init_net, "bnep");
- if (bt_sock_unregister(BTPROTO_BNEP) < 0)
- BT_ERR("Can't unregister BNEP socket");
-
+ bt_sock_unregister(BTPROTO_BNEP);
proto_unregister(&bnep_proto);
}
diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c
index 1c57482112b6..58d9edebab4b 100644
--- a/net/bluetooth/cmtp/sock.c
+++ b/net/bluetooth/cmtp/sock.c
@@ -264,8 +264,6 @@ error:
void cmtp_cleanup_sockets(void)
{
bt_procfs_cleanup(&init_net, "cmtp");
- if (bt_sock_unregister(BTPROTO_CMTP) < 0)
- BT_ERR("Can't unregister CMTP socket");
-
+ bt_sock_unregister(BTPROTO_CMTP);
proto_unregister(&cmtp_proto);
}
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 4925a02ae7e4..b9f90169940b 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -117,7 +117,7 @@ static void hci_acl_create_connection_cancel(struct hci_conn *conn)
hci_send_cmd(conn->hdev, HCI_OP_CREATE_CONN_CANCEL, sizeof(cp), &cp);
}
-void hci_acl_disconn(struct hci_conn *conn, __u8 reason)
+void hci_disconnect(struct hci_conn *conn, __u8 reason)
{
struct hci_cp_disconnect cp;
@@ -253,7 +253,7 @@ static void hci_conn_disconnect(struct hci_conn *conn)
hci_amp_disconn(conn, reason);
break;
default:
- hci_acl_disconn(conn, reason);
+ hci_disconnect(conn, reason);
break;
}
}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 60793e7b768b..cfcad5423f1c 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -57,36 +57,9 @@ static void hci_notify(struct hci_dev *hdev, int event)
/* ---- HCI requests ---- */
-void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result)
+static void hci_req_sync_complete(struct hci_dev *hdev, u8 result)
{
- BT_DBG("%s command 0x%4.4x result 0x%2.2x", hdev->name, cmd, result);
-
- /* If this is the init phase check if the completed command matches
- * the last init command, and if not just return.
- */
- if (test_bit(HCI_INIT, &hdev->flags) && hdev->init_last_cmd != cmd) {
- struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data;
- u16 opcode = __le16_to_cpu(sent->opcode);
- struct sk_buff *skb;
-
- /* Some CSR based controllers generate a spontaneous
- * reset complete event during init and any pending
- * command will never be completed. In such a case we
- * need to resend whatever was the last sent
- * command.
- */
-
- if (cmd != HCI_OP_RESET || opcode == HCI_OP_RESET)
- return;
-
- skb = skb_clone(hdev->sent_cmd, GFP_ATOMIC);
- if (skb) {
- skb_queue_head(&hdev->cmd_q, skb);
- queue_work(hdev->workqueue, &hdev->cmd_work);
- }
-
- return;
- }
+ BT_DBG("%s result 0x%2.2x", hdev->name, result);
if (hdev->req_status == HCI_REQ_PEND) {
hdev->req_result = result;
@@ -107,21 +80,41 @@ static void hci_req_cancel(struct hci_dev *hdev, int err)
}
/* Execute request and wait for completion. */
-static int __hci_request(struct hci_dev *hdev,
- void (*req)(struct hci_dev *hdev, unsigned long opt),
- unsigned long opt, __u32 timeout)
+static int __hci_req_sync(struct hci_dev *hdev,
+ void (*func)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, __u32 timeout)
{
+ struct hci_request req;
DECLARE_WAITQUEUE(wait, current);
int err = 0;
BT_DBG("%s start", hdev->name);
+ hci_req_init(&req, hdev);
+
hdev->req_status = HCI_REQ_PEND;
+ func(&req, opt);
+
+ err = hci_req_run(&req, hci_req_sync_complete);
+ if (err < 0) {
+ hdev->req_status = 0;
+
+ /* ENODATA means the HCI request command queue is empty.
+ * This can happen when a request with conditionals doesn't
+ * trigger any commands to be sent. This is normal behavior
+ * and should not trigger an error return.
+ */
+ if (err == -ENODATA)
+ return 0;
+
+ return err;
+ }
+
add_wait_queue(&hdev->req_wait_q, &wait);
set_current_state(TASK_INTERRUPTIBLE);
- req(hdev, opt);
schedule_timeout(timeout);
remove_wait_queue(&hdev->req_wait_q, &wait);
@@ -150,9 +143,10 @@ static int __hci_request(struct hci_dev *hdev,
return err;
}
-static int hci_request(struct hci_dev *hdev,
- void (*req)(struct hci_dev *hdev, unsigned long opt),
- unsigned long opt, __u32 timeout)
+static int hci_req_sync(struct hci_dev *hdev,
+ void (*req)(struct hci_request *req,
+ unsigned long opt),
+ unsigned long opt, __u32 timeout)
{
int ret;
@@ -161,75 +155,86 @@ static int hci_request(struct hci_dev *hdev,
/* Serialize all requests */
hci_req_lock(hdev);
- ret = __hci_request(hdev, req, opt, timeout);
+ ret = __hci_req_sync(hdev, req, opt, timeout);
hci_req_unlock(hdev);
return ret;
}
-static void hci_reset_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_reset_req(struct hci_request *req, unsigned long opt)
{
- BT_DBG("%s %ld", hdev->name, opt);
+ BT_DBG("%s %ld", req->hdev->name, opt);
/* Reset device */
- set_bit(HCI_RESET, &hdev->flags);
- hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL);
+ set_bit(HCI_RESET, &req->hdev->flags);
+ hci_req_add(req, HCI_OP_RESET, 0, NULL);
}
-static void bredr_init(struct hci_dev *hdev)
+static void bredr_init(struct hci_request *req)
{
- hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
+ req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED;
/* Read Local Supported Features */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_LOCAL_FEATURES, 0, NULL);
/* Read Local Version */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
+
+ /* Read BD Address */
+ hci_req_add(req, HCI_OP_READ_BD_ADDR, 0, NULL);
}
-static void amp_init(struct hci_dev *hdev)
+static void amp_init(struct hci_request *req)
{
- hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED;
+ req->hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED;
/* Read Local Version */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_LOCAL_VERSION, 0, NULL);
/* Read Local AMP Info */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL);
/* Read Data Blk size */
- hci_send_cmd(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_DATA_BLOCK_SIZE, 0, NULL);
}
-static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_init1_req(struct hci_request *req, unsigned long opt)
{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_request init_req;
struct sk_buff *skb;
BT_DBG("%s %ld", hdev->name, opt);
/* Driver initialization */
+ hci_req_init(&init_req, hdev);
+
/* Special commands */
while ((skb = skb_dequeue(&hdev->driver_init))) {
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
skb->dev = (void *) hdev;
- skb_queue_tail(&hdev->cmd_q, skb);
- queue_work(hdev->workqueue, &hdev->cmd_work);
+ if (skb_queue_empty(&init_req.cmd_q))
+ bt_cb(skb)->req.start = true;
+
+ skb_queue_tail(&init_req.cmd_q, skb);
}
skb_queue_purge(&hdev->driver_init);
+ hci_req_run(&init_req, NULL);
+
/* Reset */
if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks))
- hci_reset_req(hdev, 0);
+ hci_reset_req(req, 0);
switch (hdev->dev_type) {
case HCI_BREDR:
- bredr_init(hdev);
+ bredr_init(req);
break;
case HCI_AMP:
- amp_init(hdev);
+ amp_init(req);
break;
default:
@@ -238,44 +243,327 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt)
}
}
-static void hci_scan_req(struct hci_dev *hdev, unsigned long opt)
+static void bredr_setup(struct hci_request *req)
+{
+ struct hci_cp_delete_stored_link_key cp;
+ __le16 param;
+ __u8 flt_type;
+
+ /* Read Buffer Size (ACL mtu, max pkt, etc.) */
+ hci_req_add(req, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
+
+ /* Read Class of Device */
+ hci_req_add(req, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
+
+ /* Read Local Name */
+ hci_req_add(req, HCI_OP_READ_LOCAL_NAME, 0, NULL);
+
+ /* Read Voice Setting */
+ hci_req_add(req, HCI_OP_READ_VOICE_SETTING, 0, NULL);
+
+ /* Clear Event Filters */
+ flt_type = HCI_FLT_CLEAR_ALL;
+ hci_req_add(req, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
+
+ /* Connection accept timeout ~20 secs */
+ param = __constant_cpu_to_le16(0x7d00);
+ hci_req_add(req, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
+
+ bacpy(&cp.bdaddr, BDADDR_ANY);
+ cp.delete_all = 0x01;
+ hci_req_add(req, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
+
+ /* Read page scan parameters */
+ if (req->hdev->hci_ver > BLUETOOTH_VER_1_1) {
+ hci_req_add(req, HCI_OP_READ_PAGE_SCAN_ACTIVITY, 0, NULL);
+ hci_req_add(req, HCI_OP_READ_PAGE_SCAN_TYPE, 0, NULL);
+ }
+}
+
+static void le_setup(struct hci_request *req)
+{
+ /* Read LE Buffer Size */
+ hci_req_add(req, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
+
+ /* Read LE Local Supported Features */
+ hci_req_add(req, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL);
+
+ /* Read LE Advertising Channel TX Power */
+ hci_req_add(req, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
+
+ /* Read LE White List Size */
+ hci_req_add(req, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL);
+
+ /* Read LE Supported States */
+ hci_req_add(req, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL);
+}
+
+static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
+{
+ if (lmp_ext_inq_capable(hdev))
+ return 0x02;
+
+ if (lmp_inq_rssi_capable(hdev))
+ return 0x01;
+
+ if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
+ hdev->lmp_subver == 0x0757)
+ return 0x01;
+
+ if (hdev->manufacturer == 15) {
+ if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
+ return 0x01;
+ if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
+ return 0x01;
+ if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
+ return 0x01;
+ }
+
+ if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
+ hdev->lmp_subver == 0x1805)
+ return 0x01;
+
+ return 0x00;
+}
+
+static void hci_setup_inquiry_mode(struct hci_request *req)
+{
+ u8 mode;
+
+ mode = hci_get_inquiry_mode(req->hdev);
+
+ hci_req_add(req, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
+}
+
+static void hci_setup_event_mask(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ /* The second byte is 0xff instead of 0x9f (two reserved bits
+ * disabled) since a Broadcom 1.2 dongle doesn't respond to the
+ * command otherwise.
+ */
+ u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
+
+ /* CSR 1.1 dongles does not accept any bitfield so don't try to set
+ * any event mask for pre 1.2 devices.
+ */
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return;
+
+ if (lmp_bredr_capable(hdev)) {
+ events[4] |= 0x01; /* Flow Specification Complete */
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+ events[4] |= 0x04; /* Read Remote Extended Features Complete */
+ events[5] |= 0x08; /* Synchronous Connection Complete */
+ events[5] |= 0x10; /* Synchronous Connection Changed */
+ }
+
+ if (lmp_inq_rssi_capable(hdev))
+ events[4] |= 0x02; /* Inquiry Result with RSSI */
+
+ if (lmp_sniffsubr_capable(hdev))
+ events[5] |= 0x20; /* Sniff Subrating */
+
+ if (lmp_pause_enc_capable(hdev))
+ events[5] |= 0x80; /* Encryption Key Refresh Complete */
+
+ if (lmp_ext_inq_capable(hdev))
+ events[5] |= 0x40; /* Extended Inquiry Result */
+
+ if (lmp_no_flush_capable(hdev))
+ events[7] |= 0x01; /* Enhanced Flush Complete */
+
+ if (lmp_lsto_capable(hdev))
+ events[6] |= 0x80; /* Link Supervision Timeout Changed */
+
+ if (lmp_ssp_capable(hdev)) {
+ events[6] |= 0x01; /* IO Capability Request */
+ events[6] |= 0x02; /* IO Capability Response */
+ events[6] |= 0x04; /* User Confirmation Request */
+ events[6] |= 0x08; /* User Passkey Request */
+ events[6] |= 0x10; /* Remote OOB Data Request */
+ events[6] |= 0x20; /* Simple Pairing Complete */
+ events[7] |= 0x04; /* User Passkey Notification */
+ events[7] |= 0x08; /* Keypress Notification */
+ events[7] |= 0x10; /* Remote Host Supported
+ * Features Notification
+ */
+ }
+
+ if (lmp_le_capable(hdev))
+ events[7] |= 0x20; /* LE Meta-Event */
+
+ hci_req_add(req, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
+
+ if (lmp_le_capable(hdev)) {
+ memset(events, 0, sizeof(events));
+ events[0] = 0x1f;
+ hci_req_add(req, HCI_OP_LE_SET_EVENT_MASK,
+ sizeof(events), events);
+ }
+}
+
+static void hci_init2_req(struct hci_request *req, unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ if (lmp_bredr_capable(hdev))
+ bredr_setup(req);
+
+ if (lmp_le_capable(hdev))
+ le_setup(req);
+
+ hci_setup_event_mask(req);
+
+ if (hdev->hci_ver > BLUETOOTH_VER_1_1)
+ hci_req_add(req, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
+
+ if (lmp_ssp_capable(hdev)) {
+ if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
+ u8 mode = 0x01;
+ hci_req_add(req, HCI_OP_WRITE_SSP_MODE,
+ sizeof(mode), &mode);
+ } else {
+ struct hci_cp_write_eir cp;
+
+ memset(hdev->eir, 0, sizeof(hdev->eir));
+ memset(&cp, 0, sizeof(cp));
+
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+ }
+ }
+
+ if (lmp_inq_rssi_capable(hdev))
+ hci_setup_inquiry_mode(req);
+
+ if (lmp_inq_tx_pwr_capable(hdev))
+ hci_req_add(req, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
+
+ if (lmp_ext_feat_capable(hdev)) {
+ struct hci_cp_read_local_ext_features cp;
+
+ cp.page = 0x01;
+ hci_req_add(req, HCI_OP_READ_LOCAL_EXT_FEATURES,
+ sizeof(cp), &cp);
+ }
+
+ if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
+ u8 enable = 1;
+ hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
+ &enable);
+ }
+}
+
+static void hci_setup_link_policy(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_write_def_link_policy cp;
+ u16 link_policy = 0;
+
+ if (lmp_rswitch_capable(hdev))
+ link_policy |= HCI_LP_RSWITCH;
+ if (lmp_hold_capable(hdev))
+ link_policy |= HCI_LP_HOLD;
+ if (lmp_sniff_capable(hdev))
+ link_policy |= HCI_LP_SNIFF;
+ if (lmp_park_capable(hdev))
+ link_policy |= HCI_LP_PARK;
+
+ cp.policy = cpu_to_le16(link_policy);
+ hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
+}
+
+static void hci_set_le_support(struct hci_request *req)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_write_le_host_supported cp;
+
+ memset(&cp, 0, sizeof(cp));
+
+ if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+ cp.le = 0x01;
+ cp.simul = lmp_le_br_capable(hdev);
+ }
+
+ if (cp.le != lmp_host_le_capable(hdev))
+ hci_req_add(req, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
+ &cp);
+}
+
+static void hci_init3_req(struct hci_request *req, unsigned long opt)
+{
+ struct hci_dev *hdev = req->hdev;
+
+ if (hdev->commands[5] & 0x10)
+ hci_setup_link_policy(req);
+
+ if (lmp_le_capable(hdev)) {
+ hci_set_le_support(req);
+ hci_update_ad(req);
+ }
+}
+
+static int __hci_init(struct hci_dev *hdev)
+{
+ int err;
+
+ err = __hci_req_sync(hdev, hci_init1_req, 0, HCI_INIT_TIMEOUT);
+ if (err < 0)
+ return err;
+
+ /* HCI_BREDR covers both single-mode LE, BR/EDR and dual-mode
+ * BR/EDR/LE type controllers. AMP controllers only need the
+ * first stage init.
+ */
+ if (hdev->dev_type != HCI_BREDR)
+ return 0;
+
+ err = __hci_req_sync(hdev, hci_init2_req, 0, HCI_INIT_TIMEOUT);
+ if (err < 0)
+ return err;
+
+ return __hci_req_sync(hdev, hci_init3_req, 0, HCI_INIT_TIMEOUT);
+}
+
+static void hci_scan_req(struct hci_request *req, unsigned long opt)
{
__u8 scan = opt;
- BT_DBG("%s %x", hdev->name, scan);
+ BT_DBG("%s %x", req->hdev->name, scan);
/* Inquiry and Page scans */
- hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
-static void hci_auth_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_auth_req(struct hci_request *req, unsigned long opt)
{
__u8 auth = opt;
- BT_DBG("%s %x", hdev->name, auth);
+ BT_DBG("%s %x", req->hdev->name, auth);
/* Authentication */
- hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth);
+ hci_req_add(req, HCI_OP_WRITE_AUTH_ENABLE, 1, &auth);
}
-static void hci_encrypt_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_encrypt_req(struct hci_request *req, unsigned long opt)
{
__u8 encrypt = opt;
- BT_DBG("%s %x", hdev->name, encrypt);
+ BT_DBG("%s %x", req->hdev->name, encrypt);
/* Encryption */
- hci_send_cmd(hdev, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt);
+ hci_req_add(req, HCI_OP_WRITE_ENCRYPT_MODE, 1, &encrypt);
}
-static void hci_linkpol_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_linkpol_req(struct hci_request *req, unsigned long opt)
{
__le16 policy = cpu_to_le16(opt);
- BT_DBG("%s %x", hdev->name, policy);
+ BT_DBG("%s %x", req->hdev->name, policy);
/* Default link policy */
- hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy);
+ hci_req_add(req, HCI_OP_WRITE_DEF_LINK_POLICY, 2, &policy);
}
/* Get HCI device by index.
@@ -512,9 +800,10 @@ static int inquiry_cache_dump(struct hci_dev *hdev, int num, __u8 *buf)
return copied;
}
-static void hci_inq_req(struct hci_dev *hdev, unsigned long opt)
+static void hci_inq_req(struct hci_request *req, unsigned long opt)
{
struct hci_inquiry_req *ir = (struct hci_inquiry_req *) opt;
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_inquiry cp;
BT_DBG("%s", hdev->name);
@@ -526,7 +815,7 @@ static void hci_inq_req(struct hci_dev *hdev, unsigned long opt)
memcpy(&cp.lap, &ir->lap, 3);
cp.length = ir->length;
cp.num_rsp = ir->num_rsp;
- hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_INQUIRY, sizeof(cp), &cp);
}
int hci_inquiry(void __user *arg)
@@ -556,7 +845,8 @@ int hci_inquiry(void __user *arg)
timeo = ir.length * msecs_to_jiffies(2000);
if (do_inquiry) {
- err = hci_request(hdev, hci_inq_req, (unsigned long)&ir, timeo);
+ err = hci_req_sync(hdev, hci_inq_req, (unsigned long) &ir,
+ timeo);
if (err < 0)
goto done;
}
@@ -654,39 +944,29 @@ static u8 create_ad(struct hci_dev *hdev, u8 *ptr)
return ad_len;
}
-int hci_update_ad(struct hci_dev *hdev)
+void hci_update_ad(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_le_set_adv_data cp;
u8 len;
- int err;
- hci_dev_lock(hdev);
-
- if (!lmp_le_capable(hdev)) {
- err = -EINVAL;
- goto unlock;
- }
+ if (!lmp_le_capable(hdev))
+ return;
memset(&cp, 0, sizeof(cp));
len = create_ad(hdev, cp.data);
if (hdev->adv_data_len == len &&
- memcmp(cp.data, hdev->adv_data, len) == 0) {
- err = 0;
- goto unlock;
- }
+ memcmp(cp.data, hdev->adv_data, len) == 0)
+ return;
memcpy(hdev->adv_data, cp.data, sizeof(cp.data));
hdev->adv_data_len = len;
cp.length = len;
- err = hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
-unlock:
- hci_dev_unlock(hdev);
-
- return err;
+ hci_req_add(req, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp);
}
/* ---- HCI ioctl helpers ---- */
@@ -735,10 +1015,7 @@ int hci_dev_open(__u16 dev)
if (!test_bit(HCI_RAW, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
set_bit(HCI_INIT, &hdev->flags);
- hdev->init_last_cmd = 0;
-
- ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT);
-
+ ret = __hci_init(hdev);
clear_bit(HCI_INIT, &hdev->flags);
}
@@ -746,7 +1023,6 @@ int hci_dev_open(__u16 dev)
hci_dev_hold(hdev);
set_bit(HCI_UP, &hdev->flags);
hci_notify(hdev, HCI_DEV_UP);
- hci_update_ad(hdev);
if (!test_bit(HCI_SETUP, &hdev->dev_flags) &&
mgmt_valid_hdev(hdev)) {
hci_dev_lock(hdev);
@@ -828,7 +1104,7 @@ static int hci_dev_do_close(struct hci_dev *hdev)
if (!test_bit(HCI_RAW, &hdev->flags) &&
test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) {
set_bit(HCI_INIT, &hdev->flags);
- __hci_request(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
+ __hci_req_sync(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT);
clear_bit(HCI_INIT, &hdev->flags);
}
@@ -851,6 +1127,10 @@ static int hci_dev_do_close(struct hci_dev *hdev)
* and no tasks are scheduled. */
hdev->close(hdev);
+ /* Clear flags */
+ hdev->flags = 0;
+ hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
+
if (!test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags) &&
mgmt_valid_hdev(hdev)) {
hci_dev_lock(hdev);
@@ -858,9 +1138,6 @@ static int hci_dev_do_close(struct hci_dev *hdev)
hci_dev_unlock(hdev);
}
- /* Clear flags */
- hdev->flags = 0;
-
/* Controller radio is available but is currently powered down */
hdev->amp_status = 0;
@@ -921,7 +1198,7 @@ int hci_dev_reset(__u16 dev)
hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0;
if (!test_bit(HCI_RAW, &hdev->flags))
- ret = __hci_request(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT);
+ ret = __hci_req_sync(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT);
done:
hci_req_unlock(hdev);
@@ -960,8 +1237,8 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
switch (cmd) {
case HCISETAUTH:
- err = hci_request(hdev, hci_auth_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt,
+ HCI_INIT_TIMEOUT);
break;
case HCISETENCRYPT:
@@ -972,24 +1249,24 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg)
if (!test_bit(HCI_AUTH, &hdev->flags)) {
/* Auth must be enabled first */
- err = hci_request(hdev, hci_auth_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ err = hci_req_sync(hdev, hci_auth_req, dr.dev_opt,
+ HCI_INIT_TIMEOUT);
if (err)
break;
}
- err = hci_request(hdev, hci_encrypt_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ err = hci_req_sync(hdev, hci_encrypt_req, dr.dev_opt,
+ HCI_INIT_TIMEOUT);
break;
case HCISETSCAN:
- err = hci_request(hdev, hci_scan_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ err = hci_req_sync(hdev, hci_scan_req, dr.dev_opt,
+ HCI_INIT_TIMEOUT);
break;
case HCISETLINKPOL:
- err = hci_request(hdev, hci_linkpol_req, dr.dev_opt,
- HCI_INIT_TIMEOUT);
+ err = hci_req_sync(hdev, hci_linkpol_req, dr.dev_opt,
+ HCI_INIT_TIMEOUT);
break;
case HCISETLINKMODE:
@@ -1566,7 +1843,7 @@ int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
return mgmt_device_unblocked(hdev, bdaddr, type);
}
-static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt)
+static void le_scan_param_req(struct hci_request *req, unsigned long opt)
{
struct le_scan_params *param = (struct le_scan_params *) opt;
struct hci_cp_le_set_scan_param cp;
@@ -1576,10 +1853,10 @@ static void le_scan_param_req(struct hci_dev *hdev, unsigned long opt)
cp.interval = cpu_to_le16(param->interval);
cp.window = cpu_to_le16(param->window);
- hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_PARAM, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_PARAM, sizeof(cp), &cp);
}
-static void le_scan_enable_req(struct hci_dev *hdev, unsigned long opt)
+static void le_scan_enable_req(struct hci_request *req, unsigned long opt)
{
struct hci_cp_le_set_scan_enable cp;
@@ -1587,7 +1864,7 @@ static void le_scan_enable_req(struct hci_dev *hdev, unsigned long opt)
cp.enable = 1;
cp.filter_dup = 1;
- hci_send_cmd(hdev, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_LE_SET_SCAN_ENABLE, sizeof(cp), &cp);
}
static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval,
@@ -1608,10 +1885,10 @@ static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval,
hci_req_lock(hdev);
- err = __hci_request(hdev, le_scan_param_req, (unsigned long) &param,
- timeo);
+ err = __hci_req_sync(hdev, le_scan_param_req, (unsigned long) &param,
+ timeo);
if (!err)
- err = __hci_request(hdev, le_scan_enable_req, 0, timeo);
+ err = __hci_req_sync(hdev, le_scan_enable_req, 0, timeo);
hci_req_unlock(hdev);
@@ -2160,20 +2437,55 @@ static int hci_send_frame(struct sk_buff *skb)
return hdev->send(skb);
}
-/* Send HCI command */
-int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
+void hci_req_init(struct hci_request *req, struct hci_dev *hdev)
+{
+ skb_queue_head_init(&req->cmd_q);
+ req->hdev = hdev;
+ req->err = 0;
+}
+
+int hci_req_run(struct hci_request *req, hci_req_complete_t complete)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct sk_buff *skb;
+ unsigned long flags;
+
+ BT_DBG("length %u", skb_queue_len(&req->cmd_q));
+
+ /* If an error occured during request building, remove all HCI
+ * commands queued on the HCI request queue.
+ */
+ if (req->err) {
+ skb_queue_purge(&req->cmd_q);
+ return req->err;
+ }
+
+ /* Do not allow empty requests */
+ if (skb_queue_empty(&req->cmd_q))
+ return -ENODATA;
+
+ skb = skb_peek_tail(&req->cmd_q);
+ bt_cb(skb)->req.complete = complete;
+
+ spin_lock_irqsave(&hdev->cmd_q.lock, flags);
+ skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q);
+ spin_unlock_irqrestore(&hdev->cmd_q.lock, flags);
+
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+
+ return 0;
+}
+
+static struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode,
+ u32 plen, void *param)
{
int len = HCI_COMMAND_HDR_SIZE + plen;
struct hci_command_hdr *hdr;
struct sk_buff *skb;
- BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen);
-
skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for command", hdev->name);
- return -ENOMEM;
- }
+ if (!skb)
+ return NULL;
hdr = (struct hci_command_hdr *) skb_put(skb, HCI_COMMAND_HDR_SIZE);
hdr->opcode = cpu_to_le16(opcode);
@@ -2187,8 +2499,26 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
skb->dev = (void *) hdev;
- if (test_bit(HCI_INIT, &hdev->flags))
- hdev->init_last_cmd = opcode;
+ return skb;
+}
+
+/* Send HCI command */
+int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
+{
+ struct sk_buff *skb;
+
+ BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen);
+
+ skb = hci_prepare_cmd(hdev, opcode, plen, param);
+ if (!skb) {
+ BT_ERR("%s no memory for command", hdev->name);
+ return -ENOMEM;
+ }
+
+ /* Stand-alone HCI commands must be flaged as
+ * single-command requests.
+ */
+ bt_cb(skb)->req.start = true;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
@@ -2196,6 +2526,34 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param)
return 0;
}
+/* Queue a command to an asynchronous HCI request */
+void hci_req_add(struct hci_request *req, u16 opcode, u32 plen, void *param)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct sk_buff *skb;
+
+ BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen);
+
+ /* If an error occured during request building, there is no point in
+ * queueing the HCI command. We can simply return.
+ */
+ if (req->err)
+ return;
+
+ skb = hci_prepare_cmd(hdev, opcode, plen, param);
+ if (!skb) {
+ BT_ERR("%s no memory for command (opcode 0x%4.4x)",
+ hdev->name, opcode);
+ req->err = -ENOMEM;
+ return;
+ }
+
+ if (skb_queue_empty(&req->cmd_q))
+ bt_cb(skb)->req.start = true;
+
+ skb_queue_tail(&req->cmd_q, skb);
+}
+
/* Get data from the previously sent command */
void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode)
{
@@ -2398,7 +2756,7 @@ static void hci_link_tx_to(struct hci_dev *hdev, __u8 type)
if (c->type == type && c->sent) {
BT_ERR("%s killing stalled connection %pMR",
hdev->name, &c->dst);
- hci_acl_disconn(c, HCI_ERROR_REMOTE_USER_TERM);
+ hci_disconnect(c, HCI_ERROR_REMOTE_USER_TERM);
}
}
@@ -2860,6 +3218,123 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb)
kfree_skb(skb);
}
+static bool hci_req_is_complete(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+
+ skb = skb_peek(&hdev->cmd_q);
+ if (!skb)
+ return true;
+
+ return bt_cb(skb)->req.start;
+}
+
+static void hci_resend_last(struct hci_dev *hdev)
+{
+ struct hci_command_hdr *sent;
+ struct sk_buff *skb;
+ u16 opcode;
+
+ if (!hdev->sent_cmd)
+ return;
+
+ sent = (void *) hdev->sent_cmd->data;
+ opcode = __le16_to_cpu(sent->opcode);
+ if (opcode == HCI_OP_RESET)
+ return;
+
+ skb = skb_clone(hdev->sent_cmd, GFP_KERNEL);
+ if (!skb)
+ return;
+
+ skb_queue_head(&hdev->cmd_q, skb);
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+}
+
+void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status)
+{
+ hci_req_complete_t req_complete = NULL;
+ struct sk_buff *skb;
+ unsigned long flags;
+
+ BT_DBG("opcode 0x%04x status 0x%02x", opcode, status);
+
+ /* If the completed command doesn't match the last one that was
+ * sent we need to do special handling of it.
+ */
+ if (!hci_sent_cmd_data(hdev, opcode)) {
+ /* Some CSR based controllers generate a spontaneous
+ * reset complete event during init and any pending
+ * command will never be completed. In such a case we
+ * need to resend whatever was the last sent
+ * command.
+ */
+ if (test_bit(HCI_INIT, &hdev->flags) && opcode == HCI_OP_RESET)
+ hci_resend_last(hdev);
+
+ return;
+ }
+
+ /* If the command succeeded and there's still more commands in
+ * this request the request is not yet complete.
+ */
+ if (!status && !hci_req_is_complete(hdev))
+ return;
+
+ /* If this was the last command in a request the complete
+ * callback would be found in hdev->sent_cmd instead of the
+ * command queue (hdev->cmd_q).
+ */
+ if (hdev->sent_cmd) {
+ req_complete = bt_cb(hdev->sent_cmd)->req.complete;
+ if (req_complete)
+ goto call_complete;
+ }
+
+ /* Remove all pending commands belonging to this request */
+ spin_lock_irqsave(&hdev->cmd_q.lock, flags);
+ while ((skb = __skb_dequeue(&hdev->cmd_q))) {
+ if (bt_cb(skb)->req.start) {
+ __skb_queue_head(&hdev->cmd_q, skb);
+ break;
+ }
+
+ req_complete = bt_cb(skb)->req.complete;
+ kfree_skb(skb);
+ }
+ spin_unlock_irqrestore(&hdev->cmd_q.lock, flags);
+
+call_complete:
+ if (req_complete)
+ req_complete(hdev, status);
+}
+
+void hci_req_cmd_status(struct hci_dev *hdev, u16 opcode, u8 status)
+{
+ hci_req_complete_t req_complete = NULL;
+
+ BT_DBG("opcode 0x%04x status 0x%02x", opcode, status);
+
+ if (status) {
+ hci_req_cmd_complete(hdev, opcode, status);
+ return;
+ }
+
+ /* No need to handle success status if there are more commands */
+ if (!hci_req_is_complete(hdev))
+ return;
+
+ if (hdev->sent_cmd)
+ req_complete = bt_cb(hdev->sent_cmd)->req.complete;
+
+ /* If the request doesn't have a complete callback or there
+ * are other commands/requests in the hdev queue we consider
+ * this request as completed.
+ */
+ if (!req_complete || !skb_queue_empty(&hdev->cmd_q))
+ hci_req_cmd_complete(hdev, opcode, status);
+}
+
static void hci_rx_work(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev, rx_work);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 477726a63512..138580745c2c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -53,7 +53,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
hci_dev_unlock(hdev);
- hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
+ hci_req_cmd_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
}
@@ -183,8 +183,6 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev,
if (!status)
hdev->link_policy = get_unaligned_le16(sent);
-
- hci_req_complete(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, status);
}
static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
@@ -195,11 +193,8 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_RESET, &hdev->flags);
- hci_req_complete(hdev, HCI_OP_RESET, status);
-
/* Reset all non-persistent flags */
- hdev->dev_flags &= ~(BIT(HCI_LE_SCAN) | BIT(HCI_PENDING_CLASS) |
- BIT(HCI_PERIODIC_INQ));
+ hdev->dev_flags &= ~HCI_PERSISTENT_MASK;
hdev->discovery.state = DISCOVERY_STOPPED;
hdev->inq_tx_power = HCI_TX_POWER_INVALID;
@@ -228,11 +223,6 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb)
memcpy(hdev->dev_name, sent, HCI_MAX_NAME_LENGTH);
hci_dev_unlock(hdev);
-
- if (!status && !test_bit(HCI_INIT, &hdev->flags))
- hci_update_ad(hdev);
-
- hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status);
}
static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb)
@@ -270,8 +260,6 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb)
if (test_bit(HCI_MGMT, &hdev->dev_flags))
mgmt_auth_enable_complete(hdev, status);
-
- hci_req_complete(hdev, HCI_OP_WRITE_AUTH_ENABLE, status);
}
static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
@@ -293,8 +281,6 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb)
else
clear_bit(HCI_ENCRYPT, &hdev->flags);
}
-
- hci_req_complete(hdev, HCI_OP_WRITE_ENCRYPT_MODE, status);
}
static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
@@ -343,7 +329,6 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb)
done:
hci_dev_unlock(hdev);
- hci_req_complete(hdev, HCI_OP_WRITE_SCAN_ENABLE, status);
}
static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb)
@@ -435,15 +420,6 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev,
hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING);
}
-static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status);
-}
-
static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -472,211 +448,6 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb)
}
}
-static u8 hci_get_inquiry_mode(struct hci_dev *hdev)
-{
- if (lmp_ext_inq_capable(hdev))
- return 2;
-
- if (lmp_inq_rssi_capable(hdev))
- return 1;
-
- if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 &&
- hdev->lmp_subver == 0x0757)
- return 1;
-
- if (hdev->manufacturer == 15) {
- if (hdev->hci_rev == 0x03 && hdev->lmp_subver == 0x6963)
- return 1;
- if (hdev->hci_rev == 0x09 && hdev->lmp_subver == 0x6963)
- return 1;
- if (hdev->hci_rev == 0x00 && hdev->lmp_subver == 0x6965)
- return 1;
- }
-
- if (hdev->manufacturer == 31 && hdev->hci_rev == 0x2005 &&
- hdev->lmp_subver == 0x1805)
- return 1;
-
- return 0;
-}
-
-static void hci_setup_inquiry_mode(struct hci_dev *hdev)
-{
- u8 mode;
-
- mode = hci_get_inquiry_mode(hdev);
-
- hci_send_cmd(hdev, HCI_OP_WRITE_INQUIRY_MODE, 1, &mode);
-}
-
-static void hci_setup_event_mask(struct hci_dev *hdev)
-{
- /* The second byte is 0xff instead of 0x9f (two reserved bits
- * disabled) since a Broadcom 1.2 dongle doesn't respond to the
- * command otherwise */
- u8 events[8] = { 0xff, 0xff, 0xfb, 0xff, 0x00, 0x00, 0x00, 0x00 };
-
- /* CSR 1.1 dongles does not accept any bitfield so don't try to set
- * any event mask for pre 1.2 devices */
- if (hdev->hci_ver < BLUETOOTH_VER_1_2)
- return;
-
- if (lmp_bredr_capable(hdev)) {
- events[4] |= 0x01; /* Flow Specification Complete */
- events[4] |= 0x02; /* Inquiry Result with RSSI */
- events[4] |= 0x04; /* Read Remote Extended Features Complete */
- events[5] |= 0x08; /* Synchronous Connection Complete */
- events[5] |= 0x10; /* Synchronous Connection Changed */
- }
-
- if (lmp_inq_rssi_capable(hdev))
- events[4] |= 0x02; /* Inquiry Result with RSSI */
-
- if (lmp_sniffsubr_capable(hdev))
- events[5] |= 0x20; /* Sniff Subrating */
-
- if (lmp_pause_enc_capable(hdev))
- events[5] |= 0x80; /* Encryption Key Refresh Complete */
-
- if (lmp_ext_inq_capable(hdev))
- events[5] |= 0x40; /* Extended Inquiry Result */
-
- if (lmp_no_flush_capable(hdev))
- events[7] |= 0x01; /* Enhanced Flush Complete */
-
- if (lmp_lsto_capable(hdev))
- events[6] |= 0x80; /* Link Supervision Timeout Changed */
-
- if (lmp_ssp_capable(hdev)) {
- events[6] |= 0x01; /* IO Capability Request */
- events[6] |= 0x02; /* IO Capability Response */
- events[6] |= 0x04; /* User Confirmation Request */
- events[6] |= 0x08; /* User Passkey Request */
- events[6] |= 0x10; /* Remote OOB Data Request */
- events[6] |= 0x20; /* Simple Pairing Complete */
- events[7] |= 0x04; /* User Passkey Notification */
- events[7] |= 0x08; /* Keypress Notification */
- events[7] |= 0x10; /* Remote Host Supported
- * Features Notification */
- }
-
- if (lmp_le_capable(hdev))
- events[7] |= 0x20; /* LE Meta-Event */
-
- hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events);
-
- if (lmp_le_capable(hdev)) {
- memset(events, 0, sizeof(events));
- events[0] = 0x1f;
- hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK,
- sizeof(events), events);
- }
-}
-
-static void bredr_setup(struct hci_dev *hdev)
-{
- struct hci_cp_delete_stored_link_key cp;
- __le16 param;
- __u8 flt_type;
-
- /* Read Buffer Size (ACL mtu, max pkt, etc.) */
- hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL);
-
- /* Read Class of Device */
- hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL);
-
- /* Read Local Name */
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL);
-
- /* Read Voice Setting */
- hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL);
-
- /* Clear Event Filters */
- flt_type = HCI_FLT_CLEAR_ALL;
- hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type);
-
- /* Connection accept timeout ~20 secs */
- param = __constant_cpu_to_le16(0x7d00);
- hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, &param);
-
- bacpy(&cp.bdaddr, BDADDR_ANY);
- cp.delete_all = 1;
- hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp);
-}
-
-static void le_setup(struct hci_dev *hdev)
-{
- /* Read LE Buffer Size */
- hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL);
-
- /* Read LE Local Supported Features */
- hci_send_cmd(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL);
-
- /* Read LE Advertising Channel TX Power */
- hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL);
-
- /* Read LE White List Size */
- hci_send_cmd(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL);
-
- /* Read LE Supported States */
- hci_send_cmd(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL);
-}
-
-static void hci_setup(struct hci_dev *hdev)
-{
- if (hdev->dev_type != HCI_BREDR)
- return;
-
- /* Read BD Address */
- hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL);
-
- if (lmp_bredr_capable(hdev))
- bredr_setup(hdev);
-
- if (lmp_le_capable(hdev))
- le_setup(hdev);
-
- hci_setup_event_mask(hdev);
-
- if (hdev->hci_ver > BLUETOOTH_VER_1_1)
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_COMMANDS, 0, NULL);
-
- if (lmp_ssp_capable(hdev)) {
- if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) {
- u8 mode = 0x01;
- hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE,
- sizeof(mode), &mode);
- } else {
- struct hci_cp_write_eir cp;
-
- memset(hdev->eir, 0, sizeof(hdev->eir));
- memset(&cp, 0, sizeof(cp));
-
- hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
- }
- }
-
- if (lmp_inq_rssi_capable(hdev))
- hci_setup_inquiry_mode(hdev);
-
- if (lmp_inq_tx_pwr_capable(hdev))
- hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL);
-
- if (lmp_ext_feat_capable(hdev)) {
- struct hci_cp_read_local_ext_features cp;
-
- cp.page = 0x01;
- hci_send_cmd(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, sizeof(cp),
- &cp);
- }
-
- if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) {
- u8 enable = 1;
- hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(enable),
- &enable);
- }
-}
-
static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_read_local_version *rp = (void *) skb->data;
@@ -684,7 +455,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
if (rp->status)
- goto done;
+ return;
hdev->hci_ver = rp->hci_ver;
hdev->hci_rev = __le16_to_cpu(rp->hci_rev);
@@ -694,30 +465,6 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name,
hdev->manufacturer, hdev->hci_ver, hdev->hci_rev);
-
- if (test_bit(HCI_INIT, &hdev->flags))
- hci_setup(hdev);
-
-done:
- hci_req_complete(hdev, HCI_OP_READ_LOCAL_VERSION, rp->status);
-}
-
-static void hci_setup_link_policy(struct hci_dev *hdev)
-{
- struct hci_cp_write_def_link_policy cp;
- u16 link_policy = 0;
-
- if (lmp_rswitch_capable(hdev))
- link_policy |= HCI_LP_RSWITCH;
- if (lmp_hold_capable(hdev))
- link_policy |= HCI_LP_HOLD;
- if (lmp_sniff_capable(hdev))
- link_policy |= HCI_LP_SNIFF;
- if (lmp_park_capable(hdev))
- link_policy |= HCI_LP_PARK;
-
- cp.policy = cpu_to_le16(link_policy);
- hci_send_cmd(hdev, HCI_OP_WRITE_DEF_LINK_POLICY, sizeof(cp), &cp);
}
static void hci_cc_read_local_commands(struct hci_dev *hdev,
@@ -727,16 +474,8 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (rp->status)
- goto done;
-
- memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
-
- if (test_bit(HCI_INIT, &hdev->flags) && (hdev->commands[5] & 0x10))
- hci_setup_link_policy(hdev);
-
-done:
- hci_req_complete(hdev, HCI_OP_READ_LOCAL_COMMANDS, rp->status);
+ if (!rp->status)
+ memcpy(hdev->commands, rp->commands, sizeof(hdev->commands));
}
static void hci_cc_read_local_features(struct hci_dev *hdev,
@@ -795,22 +534,6 @@ static void hci_cc_read_local_features(struct hci_dev *hdev,
hdev->features[6], hdev->features[7]);
}
-static void hci_set_le_support(struct hci_dev *hdev)
-{
- struct hci_cp_write_le_host_supported cp;
-
- memset(&cp, 0, sizeof(cp));
-
- if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
- cp.le = 1;
- cp.simul = lmp_le_br_capable(hdev);
- }
-
- if (cp.le != lmp_host_le_capable(hdev))
- hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp),
- &cp);
-}
-
static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -819,7 +542,7 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
if (rp->status)
- goto done;
+ return;
switch (rp->page) {
case 0:
@@ -829,12 +552,6 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev,
memcpy(hdev->host_features, rp->features, 8);
break;
}
-
- if (test_bit(HCI_INIT, &hdev->flags) && lmp_le_capable(hdev))
- hci_set_le_support(hdev);
-
-done:
- hci_req_complete(hdev, HCI_OP_READ_LOCAL_EXT_FEATURES, rp->status);
}
static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
@@ -844,12 +561,8 @@ static void hci_cc_read_flow_control_mode(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (rp->status)
- return;
-
- hdev->flow_ctl_mode = rp->mode;
-
- hci_req_complete(hdev, HCI_OP_READ_FLOW_CONTROL_MODE, rp->status);
+ if (!rp->status)
+ hdev->flow_ctl_mode = rp->mode;
}
static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb)
@@ -886,8 +599,65 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb)
if (!rp->status)
bacpy(&hdev->bdaddr, &rp->bdaddr);
+}
+
+static void hci_cc_read_page_scan_activity(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_page_scan_activity *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (test_bit(HCI_INIT, &hdev->flags) && !rp->status) {
+ hdev->page_scan_interval = __le16_to_cpu(rp->interval);
+ hdev->page_scan_window = __le16_to_cpu(rp->window);
+ }
+}
+
+static void hci_cc_write_page_scan_activity(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ u8 status = *((u8 *) skb->data);
+ struct hci_cp_write_page_scan_activity *sent;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY);
+ if (!sent)
+ return;
+
+ hdev->page_scan_interval = __le16_to_cpu(sent->interval);
+ hdev->page_scan_window = __le16_to_cpu(sent->window);
+}
+
+static void hci_cc_read_page_scan_type(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_page_scan_type *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
+
+ if (test_bit(HCI_INIT, &hdev->flags) && !rp->status)
+ hdev->page_scan_type = rp->type;
+}
+
+static void hci_cc_write_page_scan_type(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ u8 status = *((u8 *) skb->data);
+ u8 *type;
- hci_req_complete(hdev, HCI_OP_READ_BD_ADDR, rp->status);
+ BT_DBG("%s status 0x%2.2x", hdev->name, status);
+
+ if (status)
+ return;
+
+ type = hci_sent_cmd_data(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE);
+ if (type)
+ hdev->page_scan_type = *type;
}
static void hci_cc_read_data_block_size(struct hci_dev *hdev,
@@ -908,17 +678,6 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev,
BT_DBG("%s blk mtu %d cnt %d len %d", hdev->name, hdev->block_mtu,
hdev->block_cnt, hdev->block_len);
-
- hci_req_complete(hdev, HCI_OP_READ_DATA_BLOCK_SIZE, rp->status);
-}
-
-static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status);
}
static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
@@ -942,8 +701,6 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev,
hdev->amp_be_flush_to = __le32_to_cpu(rp->be_flush_to);
hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to);
- hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status);
-
a2mp_rsp:
a2mp_send_getinfo_rsp(hdev);
}
@@ -985,35 +742,6 @@ a2mp_rsp:
a2mp_send_create_phy_link_req(hdev, rp->status);
}
-static void hci_cc_delete_stored_link_key(struct hci_dev *hdev,
- struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status);
-}
-
-static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status);
-}
-
-static void hci_cc_write_inquiry_mode(struct hci_dev *hdev,
- struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status);
-}
-
static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -1023,17 +751,6 @@ static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev,
if (!rp->status)
hdev->inq_tx_power = rp->tx_power;
-
- hci_req_complete(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, rp->status);
-}
-
-static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status);
}
static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1095,8 +812,6 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev,
hdev->le_cnt = hdev->le_pkts;
BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts);
-
- hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status);
}
static void hci_cc_le_read_local_features(struct hci_dev *hdev,
@@ -1108,8 +823,6 @@ static void hci_cc_le_read_local_features(struct hci_dev *hdev,
if (!rp->status)
memcpy(hdev->le_features, rp->features, 8);
-
- hci_req_complete(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, rp->status);
}
static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
@@ -1119,22 +832,8 @@ static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev,
BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
- if (!rp->status) {
+ if (!rp->status)
hdev->adv_tx_power = rp->tx_power;
- if (!test_bit(HCI_INIT, &hdev->flags))
- hci_update_ad(hdev);
- }
-
- hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status);
-}
-
-static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb)
-{
- __u8 status = *((__u8 *) skb->data);
-
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-
- hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status);
}
static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1231,12 +930,15 @@ static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags);
}
- hci_dev_unlock(hdev);
+ if (!test_bit(HCI_INIT, &hdev->flags)) {
+ struct hci_request req;
- if (!test_bit(HCI_INIT, &hdev->flags))
- hci_update_ad(hdev);
+ hci_req_init(&req, hdev);
+ hci_update_ad(&req);
+ hci_req_run(&req, NULL);
+ }
- hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status);
+ hci_dev_unlock(hdev);
}
static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1245,8 +947,6 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status);
-
if (status) {
hci_dev_lock(hdev);
mgmt_start_discovery_failed(hdev, status);
@@ -1269,8 +969,6 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev,
switch (cp->enable) {
case LE_SCANNING_ENABLED:
- hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_ENABLE, status);
-
if (status) {
hci_dev_lock(hdev);
mgmt_start_discovery_failed(hdev, status);
@@ -1321,32 +1019,6 @@ static void hci_cc_le_read_white_list_size(struct hci_dev *hdev,
if (!rp->status)
hdev->le_white_list_size = rp->size;
-
- hci_req_complete(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, rp->status);
-}
-
-static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct hci_rp_le_ltk_reply *rp = (void *) skb->data;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
-
- if (rp->status)
- return;
-
- hci_req_complete(hdev, HCI_OP_LE_LTK_REPLY, rp->status);
-}
-
-static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, rp->status);
-
- if (rp->status)
- return;
-
- hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status);
}
static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
@@ -1358,8 +1030,6 @@ static void hci_cc_le_read_supported_states(struct hci_dev *hdev,
if (!rp->status)
memcpy(hdev->le_states, rp->le_states, 8);
-
- hci_req_complete(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, rp->status);
}
static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
@@ -1389,8 +1059,6 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev,
if (test_bit(HCI_MGMT, &hdev->dev_flags) &&
!test_bit(HCI_INIT, &hdev->flags))
mgmt_le_enable_complete(hdev, sent->le, status);
-
- hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status);
}
static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev,
@@ -1412,7 +1080,6 @@ static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
BT_DBG("%s status 0x%2.2x", hdev->name, status);
if (status) {
- hci_req_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->dev_flags))
@@ -1884,11 +1551,6 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status)
}
}
-static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status)
-{
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-}
-
static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status)
{
struct hci_cp_create_phy_link *cp;
@@ -1930,11 +1592,6 @@ static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status)
amp_write_remote_assoc(hdev, cp->phy_handle);
}
-static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status)
-{
- BT_DBG("%s status 0x%2.2x", hdev->name, status);
-}
-
static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
__u8 status = *((__u8 *) skb->data);
@@ -1943,7 +1600,7 @@ static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s status 0x%2.2x", hdev->name, status);
- hci_req_complete(hdev, HCI_OP_INQUIRY, status);
+ hci_req_cmd_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
@@ -2399,7 +2056,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
if (ev->status && conn->state == BT_CONNECTED) {
- hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
+ hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
hci_conn_put(conn);
goto unlock;
}
@@ -2491,20 +2148,10 @@ unlock:
hci_dev_unlock(hdev);
}
-static void hci_remote_version_evt(struct hci_dev *hdev, struct sk_buff *skb)
-{
- BT_DBG("%s", hdev->name);
-}
-
-static void hci_qos_setup_complete_evt(struct hci_dev *hdev,
- struct sk_buff *skb)
-{
- BT_DBG("%s", hdev->name);
-}
-
static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_cmd_complete *ev = (void *) skb->data;
+ u8 status = skb->data[sizeof(*ev)];
__u16 opcode;
skb_pull(skb, sizeof(*ev));
@@ -2588,10 +2235,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_write_voice_setting(hdev, skb);
break;
- case HCI_OP_HOST_BUFFER_SIZE:
- hci_cc_host_buffer_size(hdev, skb);
- break;
-
case HCI_OP_WRITE_SSP_MODE:
hci_cc_write_ssp_mode(hdev, skb);
break;
@@ -2620,46 +2263,42 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_read_bd_addr(hdev, skb);
break;
- case HCI_OP_READ_DATA_BLOCK_SIZE:
- hci_cc_read_data_block_size(hdev, skb);
+ case HCI_OP_READ_PAGE_SCAN_ACTIVITY:
+ hci_cc_read_page_scan_activity(hdev, skb);
break;
- case HCI_OP_WRITE_CA_TIMEOUT:
- hci_cc_write_ca_timeout(hdev, skb);
+ case HCI_OP_WRITE_PAGE_SCAN_ACTIVITY:
+ hci_cc_write_page_scan_activity(hdev, skb);
break;
- case HCI_OP_READ_FLOW_CONTROL_MODE:
- hci_cc_read_flow_control_mode(hdev, skb);
+ case HCI_OP_READ_PAGE_SCAN_TYPE:
+ hci_cc_read_page_scan_type(hdev, skb);
break;
- case HCI_OP_READ_LOCAL_AMP_INFO:
- hci_cc_read_local_amp_info(hdev, skb);
+ case HCI_OP_WRITE_PAGE_SCAN_TYPE:
+ hci_cc_write_page_scan_type(hdev, skb);
break;
- case HCI_OP_READ_LOCAL_AMP_ASSOC:
- hci_cc_read_local_amp_assoc(hdev, skb);
+ case HCI_OP_READ_DATA_BLOCK_SIZE:
+ hci_cc_read_data_block_size(hdev, skb);
break;
- case HCI_OP_DELETE_STORED_LINK_KEY:
- hci_cc_delete_stored_link_key(hdev, skb);
+ case HCI_OP_READ_FLOW_CONTROL_MODE:
+ hci_cc_read_flow_control_mode(hdev, skb);
break;
- case HCI_OP_SET_EVENT_MASK:
- hci_cc_set_event_mask(hdev, skb);
+ case HCI_OP_READ_LOCAL_AMP_INFO:
+ hci_cc_read_local_amp_info(hdev, skb);
break;
- case HCI_OP_WRITE_INQUIRY_MODE:
- hci_cc_write_inquiry_mode(hdev, skb);
+ case HCI_OP_READ_LOCAL_AMP_ASSOC:
+ hci_cc_read_local_amp_assoc(hdev, skb);
break;
case HCI_OP_READ_INQ_RSP_TX_POWER:
hci_cc_read_inq_rsp_tx_power(hdev, skb);
break;
- case HCI_OP_SET_EVENT_FLT:
- hci_cc_set_event_flt(hdev, skb);
- break;
-
case HCI_OP_PIN_CODE_REPLY:
hci_cc_pin_code_reply(hdev, skb);
break;
@@ -2684,10 +2323,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_le_read_adv_tx_power(hdev, skb);
break;
- case HCI_OP_LE_SET_EVENT_MASK:
- hci_cc_le_set_event_mask(hdev, skb);
- break;
-
case HCI_OP_USER_CONFIRM_REPLY:
hci_cc_user_confirm_reply(hdev, skb);
break;
@@ -2720,14 +2355,6 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cc_le_read_white_list_size(hdev, skb);
break;
- case HCI_OP_LE_LTK_REPLY:
- hci_cc_le_ltk_reply(hdev, skb);
- break;
-
- case HCI_OP_LE_LTK_NEG_REPLY:
- hci_cc_le_ltk_neg_reply(hdev, skb);
- break;
-
case HCI_OP_LE_READ_SUPPORTED_STATES:
hci_cc_le_read_supported_states(hdev, skb);
break;
@@ -2745,9 +2372,11 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
break;
}
- if (ev->opcode != HCI_OP_NOP)
+ if (opcode != HCI_OP_NOP)
del_timer(&hdev->cmd_timer);
+ hci_req_cmd_complete(hdev, opcode, status);
+
if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
@@ -2817,10 +2446,6 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_le_create_conn(hdev, ev->status);
break;
- case HCI_OP_LE_START_ENC:
- hci_cs_le_start_enc(hdev, ev->status);
- break;
-
case HCI_OP_CREATE_PHY_LINK:
hci_cs_create_phylink(hdev, ev->status);
break;
@@ -2829,18 +2454,16 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb)
hci_cs_accept_phylink(hdev, ev->status);
break;
- case HCI_OP_CREATE_LOGICAL_LINK:
- hci_cs_create_logical_link(hdev, ev->status);
- break;
-
default:
BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode);
break;
}
- if (ev->opcode != HCI_OP_NOP)
+ if (opcode != HCI_OP_NOP)
del_timer(&hdev->cmd_timer);
+ hci_req_cmd_status(hdev, opcode, ev->status);
+
if (ev->ncmd && !test_bit(HCI_RESET, &hdev->flags)) {
atomic_set(&hdev->cmd_cnt, 1);
if (!skb_queue_empty(&hdev->cmd_q))
@@ -3391,18 +3014,6 @@ unlock:
hci_dev_unlock(hdev);
}
-static void hci_sync_conn_changed_evt(struct hci_dev *hdev, struct sk_buff *skb)
-{
- BT_DBG("%s", hdev->name);
-}
-
-static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb)
-{
- struct hci_ev_sniff_subrate *ev = (void *) skb->data;
-
- BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
-}
-
static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -3472,7 +3083,7 @@ static void hci_key_refresh_complete_evt(struct hci_dev *hdev,
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
if (ev->status && conn->state == BT_CONNECTED) {
- hci_acl_disconn(conn, HCI_ERROR_AUTH_FAILURE);
+ hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
hci_conn_put(conn);
goto unlock;
}
@@ -4130,14 +3741,6 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_remote_features_evt(hdev, skb);
break;
- case HCI_EV_REMOTE_VERSION:
- hci_remote_version_evt(hdev, skb);
- break;
-
- case HCI_EV_QOS_SETUP_COMPLETE:
- hci_qos_setup_complete_evt(hdev, skb);
- break;
-
case HCI_EV_CMD_COMPLETE:
hci_cmd_complete_evt(hdev, skb);
break;
@@ -4194,14 +3797,6 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_sync_conn_complete_evt(hdev, skb);
break;
- case HCI_EV_SYNC_CONN_CHANGED:
- hci_sync_conn_changed_evt(hdev, skb);
- break;
-
- case HCI_EV_SNIFF_SUBRATE:
- hci_sniff_subrate_evt(hdev, skb);
- break;
-
case HCI_EV_EXTENDED_INQUIRY_RESULT:
hci_extended_inquiry_result_evt(hdev, skb);
break;
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 6a93614f2c49..aa4354fca77c 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -854,6 +854,11 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
skb_queue_tail(&hdev->raw_q, skb);
queue_work(hdev->workqueue, &hdev->tx_work);
} else {
+ /* Stand-alone HCI commands must be flaged as
+ * single-command requests.
+ */
+ bt_cb(skb)->req.start = true;
+
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
}
@@ -1121,8 +1126,6 @@ error:
void hci_sock_cleanup(void)
{
bt_procfs_cleanup(&init_net, "hci");
- if (bt_sock_unregister(BTPROTO_HCI) < 0)
- BT_ERR("HCI socket unregistration failed");
-
+ bt_sock_unregister(BTPROTO_HCI);
proto_unregister(&hci_sk_proto);
}
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index 23b4e242a31a..ff38561385de 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -590,10 +590,8 @@ int __init bt_sysfs_init(void)
bt_debugfs = debugfs_create_dir("bluetooth", NULL);
bt_class = class_create(THIS_MODULE, "bluetooth");
- if (IS_ERR(bt_class))
- return PTR_ERR(bt_class);
- return 0;
+ return PTR_RET(bt_class);
}
void bt_sysfs_cleanup(void)
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index a7352ff3fd1e..2342327f3335 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -311,6 +311,9 @@ static int hidp_get_raw_report(struct hid_device *hid,
int numbered_reports = hid->report_enum[report_type].numbered;
int ret;
+ if (atomic_read(&session->terminate))
+ return -EIO;
+
switch (report_type) {
case HID_FEATURE_REPORT:
report_type = HIDP_TRANS_GET_REPORT | HIDP_DATA_RTYPE_FEATURE;
@@ -722,6 +725,7 @@ static int hidp_session(void *arg)
set_current_state(TASK_INTERRUPTIBLE);
}
set_current_state(TASK_RUNNING);
+ atomic_inc(&session->terminate);
remove_wait_queue(sk_sleep(intr_sk), &intr_wait);
remove_wait_queue(sk_sleep(ctrl_sk), &ctrl_wait);
diff --git a/net/bluetooth/hidp/sock.c b/net/bluetooth/hidp/sock.c
index 82a829d90b0f..5d0f1ca0a314 100644
--- a/net/bluetooth/hidp/sock.c
+++ b/net/bluetooth/hidp/sock.c
@@ -304,8 +304,6 @@ error:
void __exit hidp_cleanup_sockets(void)
{
bt_procfs_cleanup(&init_net, "hidp");
- if (bt_sock_unregister(BTPROTO_HIDP) < 0)
- BT_ERR("Can't unregister HIDP socket");
-
+ bt_sock_unregister(BTPROTO_HIDP);
proto_unregister(&hidp_proto);
}
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 1bcfb8422fdc..7f9704993b74 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1312,8 +1312,6 @@ error:
void l2cap_cleanup_sockets(void)
{
bt_procfs_cleanup(&init_net, "l2cap");
- if (bt_sock_unregister(BTPROTO_L2CAP) < 0)
- BT_ERR("L2CAP socket unregistration failed");
-
+ bt_sock_unregister(BTPROTO_L2CAP);
proto_unregister(&l2cap_proto);
}
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 39395c7144aa..03e7e732215f 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -384,7 +384,8 @@ static u32 get_supported_settings(struct hci_dev *hdev)
if (lmp_bredr_capable(hdev)) {
settings |= MGMT_SETTING_CONNECTABLE;
- settings |= MGMT_SETTING_FAST_CONNECTABLE;
+ if (hdev->hci_ver >= BLUETOOTH_VER_1_2)
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
settings |= MGMT_SETTING_DISCOVERABLE;
settings |= MGMT_SETTING_BREDR;
settings |= MGMT_SETTING_LINK_SECURITY;
@@ -409,6 +410,9 @@ static u32 get_current_settings(struct hci_dev *hdev)
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
settings |= MGMT_SETTING_CONNECTABLE;
+ if (test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
+ settings |= MGMT_SETTING_FAST_CONNECTABLE;
+
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
settings |= MGMT_SETTING_DISCOVERABLE;
@@ -591,32 +595,33 @@ static void create_eir(struct hci_dev *hdev, u8 *data)
ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data));
}
-static int update_eir(struct hci_dev *hdev)
+static void update_eir(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_eir cp;
if (!hdev_is_powered(hdev))
- return 0;
+ return;
if (!lmp_ext_inq_capable(hdev))
- return 0;
+ return;
if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
- return 0;
+ return;
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
- return 0;
+ return;
memset(&cp, 0, sizeof(cp));
create_eir(hdev, cp.data);
if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0)
- return 0;
+ return;
memcpy(hdev->eir, cp.data, sizeof(cp.data));
- return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
static u8 get_service_classes(struct hci_dev *hdev)
@@ -630,47 +635,48 @@ static u8 get_service_classes(struct hci_dev *hdev)
return val;
}
-static int update_class(struct hci_dev *hdev)
+static void update_class(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
u8 cod[3];
- int err;
BT_DBG("%s", hdev->name);
if (!hdev_is_powered(hdev))
- return 0;
+ return;
if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
- return 0;
+ return;
cod[0] = hdev->minor_class;
cod[1] = hdev->major_class;
cod[2] = get_service_classes(hdev);
if (memcmp(cod, hdev->dev_class, 3) == 0)
- return 0;
-
- err = hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
- if (err == 0)
- set_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
+ return;
- return err;
+ hci_req_add(req, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
}
static void service_cache_off(struct work_struct *work)
{
struct hci_dev *hdev = container_of(work, struct hci_dev,
service_cache.work);
+ struct hci_request req;
if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags))
return;
+ hci_req_init(&req, hdev);
+
hci_dev_lock(hdev);
- update_eir(hdev);
- update_class(hdev);
+ update_eir(&req);
+ update_class(&req);
hci_dev_unlock(hdev);
+
+ hci_req_run(&req, NULL);
}
static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev)
@@ -994,11 +1000,64 @@ failed:
return err;
}
+static void write_fast_connectable(struct hci_request *req, bool enable)
+{
+ struct hci_dev *hdev = req->hdev;
+ struct hci_cp_write_page_scan_activity acp;
+ u8 type;
+
+ if (hdev->hci_ver < BLUETOOTH_VER_1_2)
+ return;
+
+ if (enable) {
+ type = PAGE_SCAN_TYPE_INTERLACED;
+
+ /* 160 msec page scan interval */
+ acp.interval = __constant_cpu_to_le16(0x0100);
+ } else {
+ type = PAGE_SCAN_TYPE_STANDARD; /* default */
+
+ /* default 1.28 sec page scan */
+ acp.interval = __constant_cpu_to_le16(0x0800);
+ }
+
+ acp.window = __constant_cpu_to_le16(0x0012);
+
+ if (__cpu_to_le16(hdev->page_scan_interval) != acp.interval ||
+ __cpu_to_le16(hdev->page_scan_window) != acp.window)
+ hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
+ sizeof(acp), &acp);
+
+ if (hdev->page_scan_type != type)
+ hci_req_add(req, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
+}
+
+static void set_connectable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_CONNECTABLE, hdev);
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_mode *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
u8 scan;
int err;
@@ -1065,7 +1124,20 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data,
cancel_delayed_work(&hdev->discov_off);
}
- err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ hci_req_init(&req, hdev);
+
+ hci_req_add(&req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+
+ /* If we're going from non-connectable to connectable or
+ * vice-versa when fast connectable is enabled ensure that fast
+ * connectable gets disabled. write_fast_connectable won't do
+ * anything if the page scan parameters are already what they
+ * should be.
+ */
+ if (cp->val || test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags))
+ write_fast_connectable(&req, false);
+
+ err = hci_req_run(&req, set_connectable_complete);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -1332,6 +1404,29 @@ unlock:
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
+ * the current values are, will be, and based on that calculate if a new
+ * HCI command needs to be sent and if yes with what value.
+ */
+static bool pending_eir_or_class(struct hci_dev *hdev)
+{
+ struct pending_cmd *cmd;
+
+ list_for_each_entry(cmd, &hdev->mgmt_pending, list) {
+ switch (cmd->opcode) {
+ case MGMT_OP_ADD_UUID:
+ case MGMT_OP_REMOVE_UUID:
+ case MGMT_OP_SET_DEV_CLASS:
+ case MGMT_OP_SET_POWERED:
+ return true;
+ }
+ }
+
+ return false;
+}
+
static const u8 bluetooth_base_uuid[] = {
0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80,
0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -1351,10 +1446,37 @@ static u8 get_uuid_size(const u8 *uuid)
return 16;
}
+static void mgmt_class_complete(struct hci_dev *hdev, u16 mgmt_op, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(mgmt_op, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cmd_complete(cmd->sk, cmd->index, cmd->opcode, mgmt_status(status),
+ hdev->dev_class, 3);
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
+static void add_uuid_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_ADD_UUID, status);
+}
+
static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
{
struct mgmt_cp_add_uuid *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
struct bt_uuid *uuid;
int err;
@@ -1362,7 +1484,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
hci_dev_lock(hdev);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
+ if (pending_eir_or_class(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID,
MGMT_STATUS_BUSY);
goto failed;
@@ -1380,23 +1502,28 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
list_add_tail(&uuid->list, &hdev->uuids);
- err = update_class(hdev);
- if (err < 0)
- goto failed;
+ hci_req_init(&req, hdev);
- err = update_eir(hdev);
- if (err < 0)
- goto failed;
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, add_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto failed;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0,
hdev->dev_class, 3);
goto failed;
}
cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto failed;
+ }
+
+ err = 0;
failed:
hci_dev_unlock(hdev);
@@ -1417,6 +1544,13 @@ static bool enable_service_cache(struct hci_dev *hdev)
return false;
}
+static void remove_uuid_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_REMOVE_UUID, status);
+}
+
static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
@@ -1424,13 +1558,14 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
struct pending_cmd *cmd;
struct bt_uuid *match, *tmp;
u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+ struct hci_request req;
int err, found;
BT_DBG("request for %s", hdev->name);
hci_dev_lock(hdev);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
+ if (pending_eir_or_class(hdev)) {
err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID,
MGMT_STATUS_BUSY);
goto unlock;
@@ -1466,34 +1601,47 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data,
}
update_class:
- err = update_class(hdev);
- if (err < 0)
- goto unlock;
+ hci_req_init(&req, hdev);
- err = update_eir(hdev);
- if (err < 0)
- goto unlock;
+ update_class(&req);
+ update_eir(&req);
+
+ err = hci_req_run(&req, remove_uuid_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0,
hdev->dev_class, 3);
goto unlock;
}
cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
unlock:
hci_dev_unlock(hdev);
return err;
}
+static void set_class_complete(struct hci_dev *hdev, u8 status)
+{
+ BT_DBG("status 0x%02x", status);
+
+ mgmt_class_complete(hdev, MGMT_OP_SET_DEV_CLASS, status);
+}
+
static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_cp_set_dev_class *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("request for %s", hdev->name);
@@ -1502,15 +1650,19 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
MGMT_STATUS_NOT_SUPPORTED);
- if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags))
- return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
- MGMT_STATUS_BUSY);
+ hci_dev_lock(hdev);
- if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0)
- return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
- MGMT_STATUS_INVALID_PARAMS);
+ if (pending_eir_or_class(hdev)) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
- hci_dev_lock(hdev);
+ if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS,
+ MGMT_STATUS_INVALID_PARAMS);
+ goto unlock;
+ }
hdev->major_class = cp->major;
hdev->minor_class = cp->minor;
@@ -1521,26 +1673,34 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data,
goto unlock;
}
+ hci_req_init(&req, hdev);
+
if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) {
hci_dev_unlock(hdev);
cancel_delayed_work_sync(&hdev->service_cache);
hci_dev_lock(hdev);
- update_eir(hdev);
+ update_eir(&req);
}
- err = update_class(hdev);
- if (err < 0)
- goto unlock;
+ update_class(&req);
+
+ err = hci_req_run(&req, set_class_complete);
+ if (err < 0) {
+ if (err != -ENODATA)
+ goto unlock;
- if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) {
err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0,
hdev->dev_class, 3);
goto unlock;
}
cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len);
- if (!cmd)
+ if (!cmd) {
err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = 0;
unlock:
hci_dev_unlock(hdev);
@@ -2140,7 +2300,7 @@ unlock:
}
static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
- bdaddr_t *bdaddr, u8 type, u16 mgmt_op,
+ struct mgmt_addr_info *addr, u16 mgmt_op,
u16 hci_op, __le32 passkey)
{
struct pending_cmd *cmd;
@@ -2150,37 +2310,41 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
hci_dev_lock(hdev);
if (!hdev_is_powered(hdev)) {
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_NOT_POWERED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_POWERED, addr,
+ sizeof(*addr));
goto done;
}
- if (type == BDADDR_BREDR)
- conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr);
+ if (addr->type == BDADDR_BREDR)
+ conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &addr->bdaddr);
else
- conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr);
+ conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &addr->bdaddr);
if (!conn) {
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_NOT_CONNECTED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_NOT_CONNECTED, addr,
+ sizeof(*addr));
goto done;
}
- if (type == BDADDR_LE_PUBLIC || type == BDADDR_LE_RANDOM) {
+ if (addr->type == BDADDR_LE_PUBLIC || addr->type == BDADDR_LE_RANDOM) {
/* Continue with pairing via SMP */
err = smp_user_confirm_reply(conn, mgmt_op, passkey);
if (!err)
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_SUCCESS);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_SUCCESS, addr,
+ sizeof(*addr));
else
- err = cmd_status(sk, hdev->id, mgmt_op,
- MGMT_STATUS_FAILED);
+ err = cmd_complete(sk, hdev->id, mgmt_op,
+ MGMT_STATUS_FAILED, addr,
+ sizeof(*addr));
goto done;
}
- cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr));
+ cmd = mgmt_pending_add(sk, mgmt_op, hdev, addr, sizeof(*addr));
if (!cmd) {
err = -ENOMEM;
goto done;
@@ -2190,11 +2354,12 @@ static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev,
if (hci_op == HCI_OP_USER_PASSKEY_REPLY) {
struct hci_cp_user_passkey_reply cp;
- bacpy(&cp.bdaddr, bdaddr);
+ bacpy(&cp.bdaddr, &addr->bdaddr);
cp.passkey = passkey;
err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp);
} else
- err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr);
+ err = hci_send_cmd(hdev, hci_op, sizeof(addr->bdaddr),
+ &addr->bdaddr);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -2211,7 +2376,7 @@ static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_PIN_CODE_NEG_REPLY,
HCI_OP_PIN_CODE_NEG_REPLY, 0);
}
@@ -2227,7 +2392,7 @@ static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data,
return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY,
MGMT_STATUS_INVALID_PARAMS);
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_CONFIRM_REPLY,
HCI_OP_USER_CONFIRM_REPLY, 0);
}
@@ -2239,7 +2404,7 @@ static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_CONFIRM_NEG_REPLY,
HCI_OP_USER_CONFIRM_NEG_REPLY, 0);
}
@@ -2251,7 +2416,7 @@ static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_REPLY,
HCI_OP_USER_PASSKEY_REPLY, cp->passkey);
}
@@ -2263,18 +2428,47 @@ static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev,
BT_DBG("");
- return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type,
+ return user_pairing_resp(sk, hdev, &cp->addr,
MGMT_OP_USER_PASSKEY_NEG_REPLY,
HCI_OP_USER_PASSKEY_NEG_REPLY, 0);
}
-static int update_name(struct hci_dev *hdev, const char *name)
+static void update_name(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_local_name cp;
- memcpy(cp.name, name, sizeof(cp.name));
+ memcpy(cp.name, hdev->dev_name, sizeof(cp.name));
+
+ hci_req_add(req, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
+}
+
+static void set_name_complete(struct hci_dev *hdev, u8 status)
+{
+ struct mgmt_cp_set_local_name *cp;
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
+ if (!cmd)
+ goto unlock;
+
+ cp = cmd->param;
- return hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp);
+ if (status)
+ cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
+ mgmt_status(status));
+ else
+ cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ cp, sizeof(*cp));
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
}
static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
@@ -2282,12 +2476,24 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
{
struct mgmt_cp_set_local_name *cp = data;
struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("");
hci_dev_lock(hdev);
+ /* If the old values are the same as the new ones just return a
+ * direct command complete event.
+ */
+ if (!memcmp(hdev->dev_name, cp->name, sizeof(hdev->dev_name)) &&
+ !memcmp(hdev->short_name, cp->short_name,
+ sizeof(hdev->short_name))) {
+ err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0,
+ data, len);
+ goto failed;
+ }
+
memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name));
if (!hdev_is_powered(hdev)) {
@@ -2310,7 +2516,19 @@ static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data,
goto failed;
}
- err = update_name(hdev, cp->name);
+ memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name));
+
+ hci_req_init(&req, hdev);
+
+ if (lmp_bredr_capable(hdev)) {
+ update_name(&req);
+ update_eir(&req);
+ }
+
+ if (lmp_le_capable(hdev))
+ hci_update_ad(&req);
+
+ err = hci_req_run(&req, set_name_complete);
if (err < 0)
mgmt_pending_remove(cmd);
@@ -2698,6 +2916,7 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
u16 len)
{
struct mgmt_cp_set_device_id *cp = data;
+ struct hci_request req;
int err;
__u16 source;
@@ -2718,24 +2937,59 @@ static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data,
err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0);
- update_eir(hdev);
+ hci_req_init(&req, hdev);
+ update_eir(&req);
+ hci_req_run(&req, NULL);
hci_dev_unlock(hdev);
return err;
}
+static void fast_connectable_complete(struct hci_dev *hdev, u8 status)
+{
+ struct pending_cmd *cmd;
+
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
+
+ cmd = mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ if (!cmd)
+ goto unlock;
+
+ if (status) {
+ cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ mgmt_status(status));
+ } else {
+ struct mgmt_mode *cp = cmd->param;
+
+ if (cp->val)
+ set_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
+ else
+ clear_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags);
+
+ send_settings_rsp(cmd->sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev);
+ new_settings(hdev, cmd->sk);
+ }
+
+ mgmt_pending_remove(cmd);
+
+unlock:
+ hci_dev_unlock(hdev);
+}
+
static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
void *data, u16 len)
{
struct mgmt_mode *cp = data;
- struct hci_cp_write_page_scan_activity acp;
- u8 type;
+ struct pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("%s", hdev->name);
- if (!lmp_bredr_capable(hdev))
+ if (!lmp_bredr_capable(hdev) || hdev->hci_ver < BLUETOOTH_VER_1_2)
return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_NOT_SUPPORTED);
@@ -2753,40 +3007,39 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev,
hci_dev_lock(hdev);
- if (cp->val) {
- type = PAGE_SCAN_TYPE_INTERLACED;
+ if (mgmt_pending_find(MGMT_OP_SET_FAST_CONNECTABLE, hdev)) {
+ err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
+ MGMT_STATUS_BUSY);
+ goto unlock;
+ }
- /* 160 msec page scan interval */
- acp.interval = __constant_cpu_to_le16(0x0100);
- } else {
- type = PAGE_SCAN_TYPE_STANDARD; /* default */
+ if (!!cp->val == test_bit(HCI_FAST_CONNECTABLE, &hdev->dev_flags)) {
+ err = send_settings_rsp(sk, MGMT_OP_SET_FAST_CONNECTABLE,
+ hdev);
+ goto unlock;
+ }
- /* default 1.28 sec page scan */
- acp.interval = __constant_cpu_to_le16(0x0800);
+ cmd = mgmt_pending_add(sk, MGMT_OP_SET_FAST_CONNECTABLE, hdev,
+ data, len);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
}
- /* default 11.25 msec page scan window */
- acp.window = __constant_cpu_to_le16(0x0012);
+ hci_req_init(&req, hdev);
- err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, sizeof(acp),
- &acp);
- if (err < 0) {
- err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
- MGMT_STATUS_FAILED);
- goto done;
- }
+ write_fast_connectable(&req, cp->val);
- err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
+ err = hci_req_run(&req, fast_connectable_complete);
if (err < 0) {
err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE,
MGMT_STATUS_FAILED);
- goto done;
+ mgmt_pending_remove(cmd);
}
- err = cmd_complete(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, 0,
- NULL, 0);
-done:
+unlock:
hci_dev_unlock(hdev);
+
return err;
}
@@ -3043,79 +3296,115 @@ static void settings_rsp(struct pending_cmd *cmd, void *data)
mgmt_pending_free(cmd);
}
-static int set_bredr_scan(struct hci_dev *hdev)
+static void set_bredr_scan(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
u8 scan = 0;
+ /* Ensure that fast connectable is disabled. This function will
+ * not do anything if the page scan parameters are already what
+ * they should be.
+ */
+ write_fast_connectable(req, false);
+
if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags))
scan |= SCAN_PAGE;
if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags))
scan |= SCAN_INQUIRY;
- if (!scan)
- return 0;
-
- return hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
+ if (scan)
+ hci_req_add(req, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
}
-int mgmt_powered(struct hci_dev *hdev, u8 powered)
+static void powered_complete(struct hci_dev *hdev, u8 status)
{
struct cmd_lookup match = { NULL, hdev };
- int err;
- if (!test_bit(HCI_MGMT, &hdev->dev_flags))
- return 0;
+ BT_DBG("status 0x%02x", status);
+
+ hci_dev_lock(hdev);
mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
- if (powered) {
- u8 link_sec;
+ new_settings(hdev, match.sk);
- if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
- !lmp_host_ssp_capable(hdev)) {
- u8 ssp = 1;
+ hci_dev_unlock(hdev);
- hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
- }
+ if (match.sk)
+ sock_put(match.sk);
+}
- if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
- struct hci_cp_write_le_host_supported cp;
+static int powered_update_hci(struct hci_dev *hdev)
+{
+ struct hci_request req;
+ u8 link_sec;
- cp.le = 1;
- cp.simul = lmp_le_br_capable(hdev);
+ hci_req_init(&req, hdev);
- /* Check first if we already have the right
- * host state (host features set)
- */
- if (cp.le != lmp_host_le_capable(hdev) ||
- cp.simul != lmp_host_le_br_capable(hdev))
- hci_send_cmd(hdev,
- HCI_OP_WRITE_LE_HOST_SUPPORTED,
- sizeof(cp), &cp);
- }
+ if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) &&
+ !lmp_host_ssp_capable(hdev)) {
+ u8 ssp = 1;
- link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
- if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
- hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE,
- sizeof(link_sec), &link_sec);
+ hci_req_add(&req, HCI_OP_WRITE_SSP_MODE, 1, &ssp);
+ }
- if (lmp_bredr_capable(hdev)) {
- set_bredr_scan(hdev);
- update_class(hdev);
- update_name(hdev, hdev->dev_name);
- update_eir(hdev);
- }
- } else {
- u8 status = MGMT_STATUS_NOT_POWERED;
- u8 zero_cod[] = { 0, 0, 0 };
+ if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) {
+ struct hci_cp_write_le_host_supported cp;
- mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status);
+ cp.le = 1;
+ cp.simul = lmp_le_br_capable(hdev);
- if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
- mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
- zero_cod, sizeof(zero_cod), NULL);
+ /* Check first if we already have the right
+ * host state (host features set)
+ */
+ if (cp.le != lmp_host_le_capable(hdev) ||
+ cp.simul != lmp_host_le_br_capable(hdev))
+ hci_req_add(&req, HCI_OP_WRITE_LE_HOST_SUPPORTED,
+ sizeof(cp), &cp);
}
+ link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags);
+ if (link_sec != test_bit(HCI_AUTH, &hdev->flags))
+ hci_req_add(&req, HCI_OP_WRITE_AUTH_ENABLE,
+ sizeof(link_sec), &link_sec);
+
+ if (lmp_bredr_capable(hdev)) {
+ set_bredr_scan(&req);
+ update_class(&req);
+ update_name(&req);
+ update_eir(&req);
+ }
+
+ return hci_req_run(&req, powered_complete);
+}
+
+int mgmt_powered(struct hci_dev *hdev, u8 powered)
+{
+ struct cmd_lookup match = { NULL, hdev };
+ u8 status_not_powered = MGMT_STATUS_NOT_POWERED;
+ u8 zero_cod[] = { 0, 0, 0 };
+ int err;
+
+ if (!test_bit(HCI_MGMT, &hdev->dev_flags))
+ return 0;
+
+ if (powered) {
+ if (powered_update_hci(hdev) == 0)
+ return 0;
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp,
+ &match);
+ goto new_settings;
+ }
+
+ mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match);
+ mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status_not_powered);
+
+ if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0)
+ mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev,
+ zero_cod, sizeof(zero_cod), NULL);
+
+new_settings:
err = new_settings(hdev, match.sk);
if (match.sk)
@@ -3152,7 +3441,7 @@ int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable)
int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
{
- struct cmd_lookup match = { NULL, hdev };
+ struct pending_cmd *cmd;
bool changed = false;
int err = 0;
@@ -3164,14 +3453,10 @@ int mgmt_connectable(struct hci_dev *hdev, u8 connectable)
changed = true;
}
- mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp,
- &match);
+ cmd = mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev);
if (changed)
- err = new_settings(hdev, match.sk);
-
- if (match.sk)
- sock_put(match.sk);
+ err = new_settings(hdev, cmd ? cmd->sk : NULL);
return err;
}
@@ -3555,23 +3840,25 @@ int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status)
return err;
}
-static int clear_eir(struct hci_dev *hdev)
+static void clear_eir(struct hci_request *req)
{
+ struct hci_dev *hdev = req->hdev;
struct hci_cp_write_eir cp;
if (!lmp_ext_inq_capable(hdev))
- return 0;
+ return;
memset(hdev->eir, 0, sizeof(hdev->eir));
memset(&cp, 0, sizeof(cp));
- return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
+ hci_req_add(req, HCI_OP_WRITE_EIR, sizeof(cp), &cp);
}
int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
{
struct cmd_lookup match = { NULL, hdev };
+ struct hci_request req;
bool changed = false;
int err = 0;
@@ -3604,29 +3891,26 @@ int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status)
if (match.sk)
sock_put(match.sk);
+ hci_req_init(&req, hdev);
+
if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags))
- update_eir(hdev);
+ update_eir(&req);
else
- clear_eir(hdev);
+ clear_eir(&req);
+
+ hci_req_run(&req, NULL);
return err;
}
-static void class_rsp(struct pending_cmd *cmd, void *data)
+static void sk_lookup(struct pending_cmd *cmd, void *data)
{
struct cmd_lookup *match = data;
- cmd_complete(cmd->sk, cmd->index, cmd->opcode, match->mgmt_status,
- match->hdev->dev_class, 3);
-
- list_del(&cmd->list);
-
if (match->sk == NULL) {
match->sk = cmd->sk;
sock_hold(match->sk);
}
-
- mgmt_pending_free(cmd);
}
int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
@@ -3635,11 +3919,9 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
struct cmd_lookup match = { NULL, hdev, mgmt_status(status) };
int err = 0;
- clear_bit(HCI_PENDING_CLASS, &hdev->dev_flags);
-
- mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, class_rsp, &match);
- mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, class_rsp, &match);
- mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, class_rsp, &match);
+ mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, sk_lookup, &match);
+ mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, sk_lookup, &match);
if (!status)
err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class,
@@ -3653,55 +3935,29 @@ int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class,
int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status)
{
- struct pending_cmd *cmd;
struct mgmt_cp_set_local_name ev;
- bool changed = false;
- int err = 0;
+ struct pending_cmd *cmd;
- if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) {
- memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
- changed = true;
- }
+ if (status)
+ return 0;
memset(&ev, 0, sizeof(ev));
memcpy(ev.name, name, HCI_MAX_NAME_LENGTH);
memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH);
cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev);
- if (!cmd)
- goto send_event;
-
- /* Always assume that either the short or the complete name has
- * changed if there was a pending mgmt command */
- changed = true;
+ if (!cmd) {
+ memcpy(hdev->dev_name, name, sizeof(hdev->dev_name));
- if (status) {
- err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
- mgmt_status(status));
- goto failed;
+ /* If this is a HCI command related to powering on the
+ * HCI dev don't send any mgmt signals.
+ */
+ if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev))
+ return 0;
}
- err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev,
- sizeof(ev));
- if (err < 0)
- goto failed;
-
-send_event:
- if (changed)
- err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev,
- sizeof(ev), cmd ? cmd->sk : NULL);
-
- /* EIR is taken care of separately when powering on the
- * adapter so only update them here if this is a name change
- * unrelated to power on.
- */
- if (!test_bit(HCI_INIT, &hdev->flags))
- update_eir(hdev);
-
-failed:
- if (cmd)
- mgmt_pending_remove(cmd);
- return err;
+ return mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
}
int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash,
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index b23e2713fea8..ca957d34b0c8 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -69,7 +69,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
u8 sec_level,
int *err);
static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst);
-static void rfcomm_session_del(struct rfcomm_session *s);
+static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s);
/* ---- RFCOMM frame parsing macros ---- */
#define __get_dlci(b) ((b & 0xfc) >> 2)
@@ -108,12 +108,6 @@ static void rfcomm_schedule(void)
wake_up_process(rfcomm_thread);
}
-static void rfcomm_session_put(struct rfcomm_session *s)
-{
- if (atomic_dec_and_test(&s->refcnt))
- rfcomm_session_del(s);
-}
-
/* ---- RFCOMM FCS computation ---- */
/* reversed, 8-bit, poly=0x07 */
@@ -249,16 +243,14 @@ static void rfcomm_session_set_timer(struct rfcomm_session *s, long timeout)
{
BT_DBG("session %p state %ld timeout %ld", s, s->state, timeout);
- if (!mod_timer(&s->timer, jiffies + timeout))
- rfcomm_session_hold(s);
+ mod_timer(&s->timer, jiffies + timeout);
}
static void rfcomm_session_clear_timer(struct rfcomm_session *s)
{
BT_DBG("session %p state %ld", s, s->state);
- if (del_timer(&s->timer))
- rfcomm_session_put(s);
+ del_timer_sync(&s->timer);
}
/* ---- RFCOMM DLCs ---- */
@@ -336,8 +328,6 @@ static void rfcomm_dlc_link(struct rfcomm_session *s, struct rfcomm_dlc *d)
{
BT_DBG("dlc %p session %p", d, s);
- rfcomm_session_hold(s);
-
rfcomm_session_clear_timer(s);
rfcomm_dlc_hold(d);
list_add(&d->list, &s->dlcs);
@@ -356,8 +346,6 @@ static void rfcomm_dlc_unlink(struct rfcomm_dlc *d)
if (list_empty(&s->dlcs))
rfcomm_session_set_timer(s, RFCOMM_IDLE_TIMEOUT);
-
- rfcomm_session_put(s);
}
static struct rfcomm_dlc *rfcomm_dlc_get(struct rfcomm_session *s, u8 dlci)
@@ -493,12 +481,34 @@ static int __rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
int rfcomm_dlc_close(struct rfcomm_dlc *d, int err)
{
- int r;
+ int r = 0;
+ struct rfcomm_dlc *d_list;
+ struct rfcomm_session *s, *s_list;
+
+ BT_DBG("dlc %p state %ld dlci %d err %d", d, d->state, d->dlci, err);
rfcomm_lock();
- r = __rfcomm_dlc_close(d, err);
+ s = d->session;
+ if (!s)
+ goto no_session;
+
+ /* after waiting on the mutex check the session still exists
+ * then check the dlc still exists
+ */
+ list_for_each_entry(s_list, &session_list, list) {
+ if (s_list == s) {
+ list_for_each_entry(d_list, &s->dlcs, list) {
+ if (d_list == d) {
+ r = __rfcomm_dlc_close(d, err);
+ break;
+ }
+ }
+ break;
+ }
+ }
+no_session:
rfcomm_unlock();
return r;
}
@@ -609,7 +619,7 @@ static struct rfcomm_session *rfcomm_session_add(struct socket *sock, int state)
return s;
}
-static void rfcomm_session_del(struct rfcomm_session *s)
+static struct rfcomm_session *rfcomm_session_del(struct rfcomm_session *s)
{
int state = s->state;
@@ -617,15 +627,14 @@ static void rfcomm_session_del(struct rfcomm_session *s)
list_del(&s->list);
- if (state == BT_CONNECTED)
- rfcomm_send_disc(s, 0);
-
rfcomm_session_clear_timer(s);
sock_release(s->sock);
kfree(s);
if (state != BT_LISTEN)
module_put(THIS_MODULE);
+
+ return NULL;
}
static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst)
@@ -644,17 +653,16 @@ static struct rfcomm_session *rfcomm_session_get(bdaddr_t *src, bdaddr_t *dst)
return NULL;
}
-static void rfcomm_session_close(struct rfcomm_session *s, int err)
+static struct rfcomm_session *rfcomm_session_close(struct rfcomm_session *s,
+ int err)
{
struct rfcomm_dlc *d;
struct list_head *p, *n;
- BT_DBG("session %p state %ld err %d", s, s->state, err);
-
- rfcomm_session_hold(s);
-
s->state = BT_CLOSED;
+ BT_DBG("session %p state %ld err %d", s, s->state, err);
+
/* Close all dlcs */
list_for_each_safe(p, n, &s->dlcs) {
d = list_entry(p, struct rfcomm_dlc, list);
@@ -663,7 +671,7 @@ static void rfcomm_session_close(struct rfcomm_session *s, int err)
}
rfcomm_session_clear_timer(s);
- rfcomm_session_put(s);
+ return rfcomm_session_del(s);
}
static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
@@ -715,8 +723,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
if (*err == 0 || *err == -EINPROGRESS)
return s;
- rfcomm_session_del(s);
- return NULL;
+ return rfcomm_session_del(s);
failed:
sock_release(sock);
@@ -1105,7 +1112,7 @@ static void rfcomm_make_uih(struct sk_buff *skb, u8 addr)
}
/* ---- RFCOMM frame reception ---- */
-static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
+static struct rfcomm_session *rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
{
BT_DBG("session %p state %ld dlci %d", s, s->state, dlci);
@@ -1114,7 +1121,7 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
struct rfcomm_dlc *d = rfcomm_dlc_get(s, dlci);
if (!d) {
rfcomm_send_dm(s, dlci);
- return 0;
+ return s;
}
switch (d->state) {
@@ -1150,25 +1157,14 @@ static int rfcomm_recv_ua(struct rfcomm_session *s, u8 dlci)
break;
case BT_DISCONN:
- /* rfcomm_session_put is called later so don't do
- * anything here otherwise we will mess up the session
- * reference counter:
- *
- * (a) when we are the initiator dlc_unlink will drive
- * the reference counter to 0 (there is no initial put
- * after session_add)
- *
- * (b) when we are not the initiator rfcomm_rx_process
- * will explicitly call put to balance the initial hold
- * done after session add.
- */
+ s = rfcomm_session_close(s, ECONNRESET);
break;
}
}
- return 0;
+ return s;
}
-static int rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci)
+static struct rfcomm_session *rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci)
{
int err = 0;
@@ -1192,13 +1188,13 @@ static int rfcomm_recv_dm(struct rfcomm_session *s, u8 dlci)
else
err = ECONNRESET;
- s->state = BT_CLOSED;
- rfcomm_session_close(s, err);
+ s = rfcomm_session_close(s, err);
}
- return 0;
+ return s;
}
-static int rfcomm_recv_disc(struct rfcomm_session *s, u8 dlci)
+static struct rfcomm_session *rfcomm_recv_disc(struct rfcomm_session *s,
+ u8 dlci)
{
int err = 0;
@@ -1227,11 +1223,9 @@ static int rfcomm_recv_disc(struct rfcomm_session *s, u8 dlci)
else
err = ECONNRESET;
- s->state = BT_CLOSED;
- rfcomm_session_close(s, err);
+ s = rfcomm_session_close(s, err);
}
-
- return 0;
+ return s;
}
void rfcomm_dlc_accept(struct rfcomm_dlc *d)
@@ -1652,11 +1646,18 @@ drop:
return 0;
}
-static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb)
+static struct rfcomm_session *rfcomm_recv_frame(struct rfcomm_session *s,
+ struct sk_buff *skb)
{
struct rfcomm_hdr *hdr = (void *) skb->data;
u8 type, dlci, fcs;
+ if (!s) {
+ /* no session, so free socket data */
+ kfree_skb(skb);
+ return s;
+ }
+
dlci = __get_dlci(hdr->addr);
type = __get_type(hdr->ctrl);
@@ -1667,7 +1668,7 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb)
if (__check_fcs(skb->data, type, fcs)) {
BT_ERR("bad checksum in packet");
kfree_skb(skb);
- return -EILSEQ;
+ return s;
}
if (__test_ea(hdr->len))
@@ -1683,22 +1684,23 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb)
case RFCOMM_DISC:
if (__test_pf(hdr->ctrl))
- rfcomm_recv_disc(s, dlci);
+ s = rfcomm_recv_disc(s, dlci);
break;
case RFCOMM_UA:
if (__test_pf(hdr->ctrl))
- rfcomm_recv_ua(s, dlci);
+ s = rfcomm_recv_ua(s, dlci);
break;
case RFCOMM_DM:
- rfcomm_recv_dm(s, dlci);
+ s = rfcomm_recv_dm(s, dlci);
break;
case RFCOMM_UIH:
- if (dlci)
- return rfcomm_recv_data(s, dlci, __test_pf(hdr->ctrl), skb);
-
+ if (dlci) {
+ rfcomm_recv_data(s, dlci, __test_pf(hdr->ctrl), skb);
+ return s;
+ }
rfcomm_recv_mcc(s, skb);
break;
@@ -1707,7 +1709,7 @@ static int rfcomm_recv_frame(struct rfcomm_session *s, struct sk_buff *skb)
break;
}
kfree_skb(skb);
- return 0;
+ return s;
}
/* ---- Connection and data processing ---- */
@@ -1844,7 +1846,7 @@ static void rfcomm_process_dlcs(struct rfcomm_session *s)
}
}
-static void rfcomm_process_rx(struct rfcomm_session *s)
+static struct rfcomm_session *rfcomm_process_rx(struct rfcomm_session *s)
{
struct socket *sock = s->sock;
struct sock *sk = sock->sk;
@@ -1856,17 +1858,15 @@ static void rfcomm_process_rx(struct rfcomm_session *s)
while ((skb = skb_dequeue(&sk->sk_receive_queue))) {
skb_orphan(skb);
if (!skb_linearize(skb))
- rfcomm_recv_frame(s, skb);
+ s = rfcomm_recv_frame(s, skb);
else
kfree_skb(skb);
}
- if (sk->sk_state == BT_CLOSED) {
- if (!s->initiator)
- rfcomm_session_put(s);
+ if (s && (sk->sk_state == BT_CLOSED))
+ s = rfcomm_session_close(s, sk->sk_err);
- rfcomm_session_close(s, sk->sk_err);
- }
+ return s;
}
static void rfcomm_accept_connection(struct rfcomm_session *s)
@@ -1891,8 +1891,6 @@ static void rfcomm_accept_connection(struct rfcomm_session *s)
s = rfcomm_session_add(nsock, BT_OPEN);
if (s) {
- rfcomm_session_hold(s);
-
/* We should adjust MTU on incoming sessions.
* L2CAP MTU minus UIH header and FCS. */
s->mtu = min(l2cap_pi(nsock->sk)->chan->omtu,
@@ -1903,7 +1901,7 @@ static void rfcomm_accept_connection(struct rfcomm_session *s)
sock_release(nsock);
}
-static void rfcomm_check_connection(struct rfcomm_session *s)
+static struct rfcomm_session *rfcomm_check_connection(struct rfcomm_session *s)
{
struct sock *sk = s->sock->sk;
@@ -1921,10 +1919,10 @@ static void rfcomm_check_connection(struct rfcomm_session *s)
break;
case BT_CLOSED:
- s->state = BT_CLOSED;
- rfcomm_session_close(s, sk->sk_err);
+ s = rfcomm_session_close(s, sk->sk_err);
break;
}
+ return s;
}
static void rfcomm_process_sessions(void)
@@ -1940,7 +1938,6 @@ static void rfcomm_process_sessions(void)
if (test_and_clear_bit(RFCOMM_TIMED_OUT, &s->flags)) {
s->state = BT_DISCONN;
rfcomm_send_disc(s, 0);
- rfcomm_session_put(s);
continue;
}
@@ -1949,21 +1946,18 @@ static void rfcomm_process_sessions(void)
continue;
}
- rfcomm_session_hold(s);
-
switch (s->state) {
case BT_BOUND:
- rfcomm_check_connection(s);
+ s = rfcomm_check_connection(s);
break;
default:
- rfcomm_process_rx(s);
+ s = rfcomm_process_rx(s);
break;
}
- rfcomm_process_dlcs(s);
-
- rfcomm_session_put(s);
+ if (s)
+ rfcomm_process_dlcs(s);
}
rfcomm_unlock();
@@ -2010,10 +2004,11 @@ static int rfcomm_add_listener(bdaddr_t *ba)
/* Add listening session */
s = rfcomm_session_add(sock, BT_LISTEN);
- if (!s)
+ if (!s) {
+ err = -ENOMEM;
goto failed;
+ }
- rfcomm_session_hold(s);
return 0;
failed:
sock_release(sock);
@@ -2071,8 +2066,6 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt)
if (!s)
return;
- rfcomm_session_hold(s);
-
list_for_each_safe(p, n, &s->dlcs) {
d = list_entry(p, struct rfcomm_dlc, list);
@@ -2104,8 +2097,6 @@ static void rfcomm_security_cfm(struct hci_conn *conn, u8 status, u8 encrypt)
set_bit(RFCOMM_AUTH_REJECT, &d->flags);
}
- rfcomm_session_put(s);
-
rfcomm_schedule();
}
diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c
index c23bae86263b..3786ddc45152 100644
--- a/net/bluetooth/rfcomm/sock.c
+++ b/net/bluetooth/rfcomm/sock.c
@@ -1065,8 +1065,7 @@ void __exit rfcomm_cleanup_sockets(void)
debugfs_remove(rfcomm_sock_debugfs);
- if (bt_sock_unregister(BTPROTO_RFCOMM) < 0)
- BT_ERR("RFCOMM socket layer unregistration failed");
+ bt_sock_unregister(BTPROTO_RFCOMM);
proto_unregister(&rfcomm_proto);
}
diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c
index 79d87d8d4f51..0a3aeb7e0aa6 100644
--- a/net/bluetooth/sco.c
+++ b/net/bluetooth/sco.c
@@ -1111,8 +1111,7 @@ void __exit sco_exit(void)
debugfs_remove(sco_debugfs);
- if (bt_sock_unregister(BTPROTO_SCO) < 0)
- BT_ERR("SCO socket unregistration failed");
+ bt_sock_unregister(BTPROTO_SCO);
proto_unregister(&sco_proto);
}
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