diff options
Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r-- | net/bluetooth/hci_conn.c | 76 |
1 files changed, 70 insertions, 6 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b9196a44f759..25bfce0666eb 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -130,6 +130,20 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason) hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp); } +static void hci_amp_disconn(struct hci_conn *conn, __u8 reason) +{ + struct hci_cp_disconn_phy_link cp; + + BT_DBG("hcon %p", conn); + + conn->state = BT_DISCONN; + + cp.phy_handle = HCI_PHY_HANDLE(conn->handle); + cp.reason = reason; + hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK, + sizeof(cp), &cp); +} + static void hci_add_sco(struct hci_conn *conn, __u16 handle) { struct hci_dev *hdev = conn->hdev; @@ -230,11 +244,24 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status) } } +static void hci_conn_disconnect(struct hci_conn *conn) +{ + __u8 reason = hci_proto_disconn_ind(conn); + + switch (conn->type) { + case ACL_LINK: + hci_acl_disconn(conn, reason); + break; + case AMP_LINK: + hci_amp_disconn(conn, reason); + break; + } +} + static void hci_conn_timeout(struct work_struct *work) { struct hci_conn *conn = container_of(work, struct hci_conn, disc_work.work); - __u8 reason; BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); @@ -253,8 +280,7 @@ static void hci_conn_timeout(struct work_struct *work) break; case BT_CONFIG: case BT_CONNECTED: - reason = hci_proto_disconn_ind(conn); - hci_acl_disconn(conn, reason); + hci_conn_disconnect(conn); break; default: conn->state = BT_CLOSED; @@ -320,7 +346,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) { struct hci_conn *conn; - BT_DBG("%s dst %s", hdev->name, batostr(dst)); + BT_DBG("%s dst %pMR", hdev->name, dst); conn = kzalloc(sizeof(struct hci_conn), GFP_KERNEL); if (!conn) @@ -437,7 +463,7 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) int use_src = bacmp(src, BDADDR_ANY); struct hci_dev *hdev = NULL, *d; - BT_DBG("%s -> %s", batostr(src), batostr(dst)); + BT_DBG("%pMR -> %pMR", src, dst); read_lock(&hci_dev_list_lock); @@ -476,6 +502,9 @@ static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, { struct hci_conn *le; + if (test_bit(HCI_LE_PERIPHERAL, &hdev->flags)) + return ERR_PTR(-ENOTSUPP); + le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst); if (!le) { le = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); @@ -567,7 +596,7 @@ static struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 dst_type, __u8 sec_level, __u8 auth_type) { - BT_DBG("%s dst %s type 0x%x", hdev->name, batostr(dst), type); + BT_DBG("%s dst %pMR type 0x%x", hdev->name, dst, type); switch (type) { case LE_LINK: @@ -933,6 +962,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn) chan->conn = conn; skb_queue_head_init(&chan->data_q); + chan->state = BT_CONNECTED; list_add_rcu(&chan->list, &conn->chan_list); @@ -950,6 +980,8 @@ void hci_chan_del(struct hci_chan *chan) synchronize_rcu(); + hci_conn_put(conn); + skb_queue_purge(&chan->data_q); kfree(chan); } @@ -963,3 +995,35 @@ void hci_chan_list_flush(struct hci_conn *conn) list_for_each_entry_safe(chan, n, &conn->chan_list, list) hci_chan_del(chan); } + +static struct hci_chan *__hci_chan_lookup_handle(struct hci_conn *hcon, + __u16 handle) +{ + struct hci_chan *hchan; + + list_for_each_entry(hchan, &hcon->chan_list, list) { + if (hchan->handle == handle) + return hchan; + } + + return NULL; +} + +struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *hcon; + struct hci_chan *hchan = NULL; + + rcu_read_lock(); + + list_for_each_entry_rcu(hcon, &h->list, list) { + hchan = __hci_chan_lookup_handle(hcon, handle); + if (hchan) + break; + } + + rcu_read_unlock(); + + return hchan; +} |