diff options
Diffstat (limited to 'include/net/bluetooth/hci_core.h')
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 41 |
1 files changed, 16 insertions, 25 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index f79f59e67114..4dc11c66f7b8 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -29,6 +29,7 @@ #include <linux/idr.h> #include <linux/leds.h> #include <linux/rculist.h> +#include <linux/spinlock.h> #include <linux/srcu.h> #include <net/bluetooth/hci.h> @@ -94,6 +95,7 @@ struct discovery_state { u16 uuid_count; u8 (*uuids)[16]; unsigned long name_resolve_timeout; + spinlock_t lock; }; #define SUSPEND_NOTIFIER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ @@ -889,6 +891,7 @@ static inline void iso_recv(struct hci_conn *hcon, struct sk_buff *skb, static inline void discovery_init(struct hci_dev *hdev) { + spin_lock_init(&hdev->discovery.lock); hdev->discovery.state = DISCOVERY_STOPPED; INIT_LIST_HEAD(&hdev->discovery.all); INIT_LIST_HEAD(&hdev->discovery.unknown); @@ -903,8 +906,11 @@ static inline void hci_discovery_filter_clear(struct hci_dev *hdev) hdev->discovery.report_invalid_rssi = true; hdev->discovery.rssi = HCI_RSSI_INVALID; hdev->discovery.uuid_count = 0; + + spin_lock(&hdev->discovery.lock); kfree(hdev->discovery.uuids); hdev->discovery.uuids = NULL; + spin_unlock(&hdev->discovery.lock); } bool hci_discovery_active(struct hci_dev *hdev); @@ -1009,6 +1015,7 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) break; case CIS_LINK: case BIS_LINK: + case PA_LINK: h->iso_num++; break; } @@ -1036,6 +1043,7 @@ static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) break; case CIS_LINK: case BIS_LINK: + case PA_LINK: h->iso_num--; break; } @@ -1054,6 +1062,7 @@ static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type) return h->sco_num; case CIS_LINK: case BIS_LINK: + case PA_LINK: return h->iso_num; default: return 0; @@ -1136,7 +1145,7 @@ hci_conn_hash_lookup_create_pa_sync(struct hci_dev *hdev) rcu_read_lock(); list_for_each_entry_rcu(c, &h->list, list) { - if (c->type != BIS_LINK) + if (c->type != PA_LINK) continue; if (!test_bit(HCI_CONN_CREATE_PA_SYNC, &c->flags)) @@ -1331,7 +1340,7 @@ hci_conn_hash_lookup_big_sync_pend(struct hci_dev *hdev, rcu_read_lock(); list_for_each_entry_rcu(c, &h->list, list) { - if (c->type != BIS_LINK) + if (c->type != PA_LINK) continue; if (handle == c->iso_qos.bcast.big && num_bis == c->num_bis) { @@ -1346,7 +1355,8 @@ hci_conn_hash_lookup_big_sync_pend(struct hci_dev *hdev, } static inline struct hci_conn * -hci_conn_hash_lookup_big_state(struct hci_dev *hdev, __u8 handle, __u16 state) +hci_conn_hash_lookup_big_state(struct hci_dev *hdev, __u8 handle, __u16 state, + __u8 role) { struct hci_conn_hash *h = &hdev->conn_hash; struct hci_conn *c; @@ -1354,7 +1364,7 @@ hci_conn_hash_lookup_big_state(struct hci_dev *hdev, __u8 handle, __u16 state) rcu_read_lock(); list_for_each_entry_rcu(c, &h->list, list) { - if (c->type != BIS_LINK || c->state != state) + if (c->type != BIS_LINK || c->state != state || c->role != role) continue; if (handle == c->iso_qos.bcast.big) { @@ -1400,7 +1410,7 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle) rcu_read_lock(); list_for_each_entry_rcu(c, &h->list, list) { - if (c->type != BIS_LINK) + if (c->type != PA_LINK) continue; /* Ignore the listen hcon, we are looking @@ -1420,26 +1430,6 @@ hci_conn_hash_lookup_pa_sync_handle(struct hci_dev *hdev, __u16 sync_handle) return NULL; } -static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, - __u8 type, __u16 state) -{ - struct hci_conn_hash *h = &hdev->conn_hash; - struct hci_conn *c; - - rcu_read_lock(); - - list_for_each_entry_rcu(c, &h->list, list) { - if (c->type == type && c->state == state) { - rcu_read_unlock(); - return c; - } - } - - rcu_read_unlock(); - - return NULL; -} - typedef void (*hci_conn_func_t)(struct hci_conn *conn, void *data); static inline void hci_conn_hash_list_state(struct hci_dev *hdev, hci_conn_func_t func, __u8 type, @@ -2019,6 +2009,7 @@ static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, case CIS_LINK: case BIS_LINK: + case PA_LINK: return iso_connect_ind(hdev, bdaddr, flags); default: |