diff options
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 3 | ||||
| -rw-r--r-- | net/bluetooth/hci_conn.c | 32 |
2 files changed, 34 insertions, 1 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index dfa108c4abec..b697ef342020 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -350,7 +350,7 @@ struct hci_conn { struct hci_chan { struct list_head list; - + __u16 handle; struct hci_conn *conn; struct sk_buff_head data_q; unsigned int sent; @@ -567,6 +567,7 @@ void hci_conn_check_pending(struct hci_dev *hdev); struct hci_chan *hci_chan_create(struct hci_conn *conn); void hci_chan_del(struct hci_chan *chan); void hci_chan_list_flush(struct hci_conn *conn); +struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle); struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 dst_type, __u8 sec_level, __u8 auth_type); diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 64875794dd9b..fe646211c61f 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -989,3 +989,35 @@ 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; +} |