enum {
BT_SK_BIG_SYNC,
BT_SK_PA_SYNC,
+ BT_SK_PA_SYNC_TERM,
};
struct iso_pinfo {
static bool iso_match_sync_handle(struct sock *sk, void *data);
static void iso_sock_disconn(struct sock *sk);
+typedef bool (*iso_sock_match_t)(struct sock *sk, void *data);
+
+static struct sock *iso_get_sock_listen(bdaddr_t *src, bdaddr_t *dst,
+ iso_sock_match_t match, void *data);
+
/* ---- ISO timers ---- */
#define ISO_CONN_TIMEOUT (HZ * 40)
#define ISO_DISCONN_TIMEOUT (HZ * 2)
sock_set_flag(sk, SOCK_ZAPPED);
}
+static bool iso_match_conn_sync_handle(struct sock *sk, void *data)
+{
+ struct hci_conn *hcon = data;
+
+ if (test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags))
+ return false;
+
+ return hcon->sync_handle == iso_pi(sk)->sync_handle;
+}
+
static void iso_conn_del(struct hci_conn *hcon, int err)
{
struct iso_conn *conn = hcon->iso_data;
struct sock *sk;
+ struct sock *parent;
if (!conn)
return;
if (sk) {
lock_sock(sk);
+
+ /* While a PA sync hcon is in the process of closing,
+ * mark parent socket with a flag, so that any residual
+ * BIGInfo adv reports that arrive before PA sync is
+ * terminated are not processed anymore.
+ */
+ if (test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) {
+ parent = iso_get_sock_listen(&hcon->src,
+ &hcon->dst,
+ iso_match_conn_sync_handle,
+ hcon);
+
+ if (parent) {
+ set_bit(BT_SK_PA_SYNC_TERM,
+ &iso_pi(parent)->flags);
+ sock_put(parent);
+ }
+ }
+
iso_sock_clear_timer(sk);
iso_chan_del(sk, err);
release_sock(sk);
return NULL;
}
-typedef bool (*iso_sock_match_t)(struct sock *sk, void *data);
-
/* Find socket listening:
* source bdaddr (Unicast)
* destination bdaddr (Broadcast only)
/* Try to get PA sync listening socket, if it exists */
sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
iso_match_pa_sync_flag, NULL);
- if (!sk)
+
+ if (!sk) {
sk = iso_get_sock_listen(&hdev->bdaddr, bdaddr,
iso_match_sync_handle, ev2);
+
+ /* If PA Sync is in process of terminating,
+ * do not handle any more BIGInfo adv reports.
+ */
+
+ if (sk && test_bit(BT_SK_PA_SYNC_TERM,
+ &iso_pi(sk)->flags))
+ return lm;
+ }
+
if (sk) {
int err;