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Diffstat (limited to 'net/bluetooth/iso.c')
-rw-r--r--net/bluetooth/iso.c94
1 files changed, 40 insertions, 54 deletions
diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 6cb41f9d17..00c0d8413c 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -54,7 +54,6 @@ static void iso_sock_kill(struct sock *sk);
enum {
BT_SK_BIG_SYNC,
BT_SK_PA_SYNC,
- BT_SK_PA_SYNC_TERM,
};
struct iso_pinfo {
@@ -81,6 +80,7 @@ static bool check_ucast_qos(struct bt_iso_qos *qos);
static bool check_bcast_qos(struct bt_iso_qos *qos);
static bool iso_match_sid(struct sock *sk, void *data);
static bool iso_match_sync_handle(struct sock *sk, void *data);
+static bool iso_match_sync_handle_pa_report(struct sock *sk, void *data);
static void iso_sock_disconn(struct sock *sk);
typedef bool (*iso_sock_match_t)(struct sock *sk, void *data);
@@ -197,21 +197,10 @@ static void iso_chan_del(struct sock *sk, int err)
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;
@@ -227,26 +216,6 @@ static void iso_conn_del(struct hci_conn *hcon, int err)
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(&hcon->src,
- &hcon->dst,
- BT_LISTEN,
- 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);
@@ -860,6 +829,7 @@ static struct sock *iso_sock_alloc(struct net *net, struct socket *sock,
iso_pi(sk)->src_type = BDADDR_LE_PUBLIC;
iso_pi(sk)->qos = default_qos;
+ iso_pi(sk)->sync_handle = -1;
bt_sock_link(&iso_sk_list, sk);
return sk;
@@ -907,7 +877,6 @@ static int iso_sock_bind_bc(struct socket *sock, struct sockaddr *addr,
return -EINVAL;
iso_pi(sk)->dst_type = sa->iso_bc->bc_bdaddr_type;
- iso_pi(sk)->sync_handle = -1;
if (sa->iso_bc->bc_sid > 0x0f)
return -EINVAL;
@@ -984,7 +953,8 @@ static int iso_sock_bind(struct socket *sock, struct sockaddr *addr,
/* Allow the user to bind a PA sync socket to a number
* of BISes to sync to.
*/
- if (sk->sk_state == BT_CONNECT2 &&
+ if ((sk->sk_state == BT_CONNECT2 ||
+ sk->sk_state == BT_CONNECTED) &&
test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) {
err = iso_sock_bind_pa_sk(sk, sa, addr_len);
goto done;
@@ -1396,6 +1366,16 @@ static int iso_sock_recvmsg(struct socket *sock, struct msghdr *msg,
}
release_sock(sk);
return 0;
+ case BT_CONNECTED:
+ if (test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags)) {
+ iso_conn_big_sync(sk);
+ sk->sk_state = BT_LISTEN;
+ release_sock(sk);
+ return 0;
+ }
+
+ release_sock(sk);
+ break;
case BT_CONNECT:
release_sock(sk);
return iso_connect_cis(sk);
@@ -1541,7 +1521,9 @@ static int iso_sock_setsockopt(struct socket *sock, int level, int optname,
case BT_ISO_QOS:
if (sk->sk_state != BT_OPEN && sk->sk_state != BT_BOUND &&
- sk->sk_state != BT_CONNECT2) {
+ sk->sk_state != BT_CONNECT2 &&
+ (!test_bit(BT_SK_PA_SYNC, &iso_pi(sk)->flags) ||
+ sk->sk_state != BT_CONNECTED)) {
err = -EINVAL;
break;
}
@@ -1762,7 +1744,7 @@ static void iso_conn_ready(struct iso_conn *conn)
struct sock *sk = conn->sk;
struct hci_ev_le_big_sync_estabilished *ev = NULL;
struct hci_ev_le_pa_sync_established *ev2 = NULL;
- struct hci_evt_le_big_info_adv_report *ev3 = NULL;
+ struct hci_ev_le_per_adv_report *ev3 = NULL;
struct hci_conn *hcon;
BT_DBG("conn %p", conn);
@@ -1799,12 +1781,12 @@ static void iso_conn_ready(struct iso_conn *conn)
iso_match_sid, ev2);
} else if (test_bit(HCI_CONN_PA_SYNC, &hcon->flags)) {
ev3 = hci_recv_event_data(hcon->hdev,
- HCI_EVT_LE_BIG_INFO_ADV_REPORT);
+ HCI_EV_LE_PER_ADV_REPORT);
if (ev3)
parent = iso_get_sock(&hcon->src,
&hcon->dst,
BT_LISTEN,
- iso_match_sync_handle,
+ iso_match_sync_handle_pa_report,
ev3);
}
@@ -1847,7 +1829,6 @@ static void iso_conn_ready(struct iso_conn *conn)
if (ev3) {
iso_pi(sk)->qos = iso_pi(parent)->qos;
- iso_pi(sk)->qos.bcast.encryption = ev3->encryption;
hcon->iso_qos = iso_pi(sk)->qos;
iso_pi(sk)->bc_num_bis = iso_pi(parent)->bc_num_bis;
memcpy(iso_pi(sk)->bc_bis, iso_pi(parent)->bc_bis, ISO_MAX_NUM_BIS);
@@ -1941,26 +1922,29 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
ev2 = hci_recv_event_data(hdev, HCI_EVT_LE_BIG_INFO_ADV_REPORT);
if (ev2) {
- /* Try to get PA sync listening socket, if it exists */
- sk = iso_get_sock(&hdev->bdaddr, bdaddr, BT_LISTEN,
- iso_match_pa_sync_flag, NULL);
-
- if (!sk) {
- sk = iso_get_sock(&hdev->bdaddr, bdaddr, BT_LISTEN,
- 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 0;
+ /* Check if BIGInfo report has already been handled */
+ sk = iso_get_sock(&hdev->bdaddr, bdaddr, BT_CONNECTED,
+ iso_match_sync_handle, ev2);
+ if (sk) {
+ sock_put(sk);
+ sk = NULL;
+ goto done;
}
+ /* Try to get PA sync socket, if it exists */
+ sk = iso_get_sock(&hdev->bdaddr, bdaddr, BT_CONNECT2,
+ iso_match_sync_handle, ev2);
+ if (!sk)
+ sk = iso_get_sock(&hdev->bdaddr, bdaddr,
+ BT_LISTEN,
+ iso_match_sync_handle,
+ ev2);
+
if (sk) {
int err;
+ iso_pi(sk)->qos.bcast.encryption = ev2->encryption;
+
if (ev2->num_bis < iso_pi(sk)->bc_num_bis)
iso_pi(sk)->bc_num_bis = ev2->num_bis;
@@ -1979,6 +1963,8 @@ int iso_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags)
}
}
}
+
+ goto done;
}
ev3 = hci_recv_event_data(hdev, HCI_EV_LE_PER_ADV_REPORT);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 09:42:41 +0000