summaryrefslogtreecommitdiff
path: root/net/bluetooth/hci_conn.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r--net/bluetooth/hci_conn.c50
1 files changed, 36 insertions, 14 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 99efeed6a766..7d1e79f69cd1 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -785,7 +785,7 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *c
d->sync_handle = conn->sync_handle;
if (test_and_clear_bit(HCI_CONN_PA_SYNC, &conn->flags)) {
- hci_conn_hash_list_flag(hdev, find_bis, BIS_LINK,
+ hci_conn_hash_list_flag(hdev, find_bis, PA_LINK,
HCI_CONN_PA_SYNC, d);
if (!d->count)
@@ -814,7 +814,7 @@ static int hci_le_big_terminate(struct hci_dev *hdev, u8 big, struct hci_conn *c
*
* Detects if there any BIS left connected in a BIG
* broadcaster: Remove advertising instance and terminate BIG.
- * broadcaster receiver: Teminate BIG sync and terminate PA sync.
+ * broadcaster receiver: Terminate BIG sync and terminate PA sync.
*/
static void bis_cleanup(struct hci_conn *conn)
{
@@ -914,6 +914,7 @@ static struct hci_conn *__hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t
break;
case CIS_LINK:
case BIS_LINK:
+ case PA_LINK:
if (hdev->iso_mtu)
/* Dedicated ISO Buffer exists */
break;
@@ -979,6 +980,7 @@ static struct hci_conn *__hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t
break;
case CIS_LINK:
case BIS_LINK:
+ case PA_LINK:
/* conn->src should reflect the local identity address */
hci_copy_identity_address(hdev, &conn->src, &conn->src_type);
@@ -1033,7 +1035,6 @@ static struct hci_conn *__hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t
}
hci_conn_init_sysfs(conn);
-
return conn;
}
@@ -1077,6 +1078,7 @@ static void hci_conn_cleanup_child(struct hci_conn *conn, u8 reason)
break;
case CIS_LINK:
case BIS_LINK:
+ case PA_LINK:
if ((conn->state != BT_CONNECTED &&
!test_bit(HCI_CONN_CREATE_CIS, &conn->flags)) ||
test_bit(HCI_CONN_BIG_CREATED, &conn->flags))
@@ -1152,7 +1154,8 @@ void hci_conn_del(struct hci_conn *conn)
} else {
/* Unacked ISO frames */
if (conn->type == CIS_LINK ||
- conn->type == BIS_LINK) {
+ conn->type == BIS_LINK ||
+ conn->type == PA_LINK) {
if (hdev->iso_pkts)
hdev->iso_cnt += conn->sent;
else if (hdev->le_pkts)
@@ -1501,8 +1504,8 @@ static int qos_set_bis(struct hci_dev *hdev, struct bt_iso_qos *qos)
/* This function requires the caller holds hdev->lock */
static struct hci_conn *hci_add_bis(struct hci_dev *hdev, bdaddr_t *dst,
- struct bt_iso_qos *qos, __u8 base_len,
- __u8 *base)
+ __u8 sid, struct bt_iso_qos *qos,
+ __u8 base_len, __u8 *base)
{
struct hci_conn *conn;
int err;
@@ -1543,6 +1546,7 @@ static struct hci_conn *hci_add_bis(struct hci_dev *hdev, bdaddr_t *dst,
return conn;
conn->state = BT_CONNECT;
+ conn->sid = sid;
hci_conn_hold(conn);
return conn;
@@ -2062,7 +2066,8 @@ static int create_big_sync(struct hci_dev *hdev, void *data)
if (qos->bcast.bis)
sync_interval = interval * 4;
- err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->le_per_adv_data_len,
+ err = hci_start_per_adv_sync(hdev, qos->bcast.bis, conn->sid,
+ conn->le_per_adv_data_len,
conn->le_per_adv_data, flags, interval,
interval, sync_interval);
if (err)
@@ -2079,7 +2084,7 @@ struct hci_conn *hci_pa_create_sync(struct hci_dev *hdev, bdaddr_t *dst,
bt_dev_dbg(hdev, "dst %pMR type %d sid %d", dst, dst_type, sid);
- conn = hci_conn_add_unset(hdev, BIS_LINK, dst, HCI_ROLE_SLAVE);
+ conn = hci_conn_add_unset(hdev, PA_LINK, dst, HCI_ROLE_SLAVE);
if (IS_ERR(conn))
return conn;
@@ -2134,7 +2139,7 @@ static void create_big_complete(struct hci_dev *hdev, void *data, int err)
}
}
-struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
+struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst, __u8 sid,
struct bt_iso_qos *qos,
__u8 base_len, __u8 *base)
{
@@ -2144,7 +2149,8 @@ struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
struct hci_link *link;
/* Look for any BIS that is open for rebinding */
- conn = hci_conn_hash_lookup_big_state(hdev, qos->bcast.big, BT_OPEN);
+ conn = hci_conn_hash_lookup_big_state(hdev, qos->bcast.big, BT_OPEN,
+ HCI_ROLE_MASTER);
if (conn) {
memcpy(qos, &conn->iso_qos, sizeof(*qos));
conn->state = BT_CONNECTED;
@@ -2156,7 +2162,7 @@ struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
base, base_len);
/* We need hci_conn object using the BDADDR_ANY as dst */
- conn = hci_add_bis(hdev, dst, qos, base_len, eir);
+ conn = hci_add_bis(hdev, dst, sid, qos, base_len, eir);
if (IS_ERR(conn))
return conn;
@@ -2207,20 +2213,35 @@ static void bis_mark_per_adv(struct hci_conn *conn, void *data)
}
struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
- __u8 dst_type, struct bt_iso_qos *qos,
+ __u8 dst_type, __u8 sid,
+ struct bt_iso_qos *qos,
__u8 base_len, __u8 *base)
{
struct hci_conn *conn;
int err;
struct iso_list_data data;
- conn = hci_bind_bis(hdev, dst, qos, base_len, base);
+ conn = hci_bind_bis(hdev, dst, sid, qos, base_len, base);
if (IS_ERR(conn))
return conn;
if (conn->state == BT_CONNECTED)
return conn;
+ /* Check if SID needs to be allocated then search for the first
+ * available.
+ */
+ if (conn->sid == HCI_SID_INVALID) {
+ u8 sid;
+
+ for (sid = 0; sid <= 0x0f; sid++) {
+ if (!hci_find_adv_sid(hdev, sid)) {
+ conn->sid = sid;
+ break;
+ }
+ }
+ }
+
data.big = qos->bcast.big;
data.bis = qos->bcast.bis;
@@ -2228,7 +2249,7 @@ struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
* the start periodic advertising and create BIG commands have
* been queued
*/
- hci_conn_hash_list_state(hdev, bis_mark_per_adv, BIS_LINK,
+ hci_conn_hash_list_state(hdev, bis_mark_per_adv, PA_LINK,
BT_BOUND, &data);
/* Queue start periodic advertising and create BIG */
@@ -2962,6 +2983,7 @@ void hci_conn_tx_queue(struct hci_conn *conn, struct sk_buff *skb)
switch (conn->type) {
case CIS_LINK:
case BIS_LINK:
+ case PA_LINK:
case ACL_LINK:
case LE_LINK:
break;
generated by cgit (git 2.34.1) at 2025-08-01 15:18:53 +0000