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-rw-r--r--include/net/bluetooth/hci.h9
-rw-r--r--include/net/bluetooth/hci_core.h1
-rw-r--r--net/bluetooth/hci_conn.c32
-rw-r--r--net/bluetooth/hci_event.c32
4 files changed, 59 insertions, 15 deletions
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index a8a9eb6..f1dc174 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -137,6 +137,8 @@ enum {
#define ESCO_EV4 0x0010
#define ESCO_EV5 0x0020
+#define SCO_ESCO_MASK (ESCO_HV1 | ESCO_HV2 | ESCO_HV3)
+
/* ACL flags */
#define ACL_CONT 0x01
#define ACL_START 0x02
@@ -696,6 +698,13 @@ struct hci_ev_clock_offset {
__le16 clock_offset;
} __attribute__ ((packed));
+#define HCI_EV_PKT_TYPE_CHANGE 0x1d
+struct hci_ev_pkt_type_change {
+ __u8 status;
+ __le16 handle;
+ __le16 pkt_type;
+} __attribute__ ((packed));
+
#define HCI_EV_PSCAN_REP_MODE 0x20
struct hci_ev_pscan_rep_mode {
bdaddr_t bdaddr;
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index c8255ad..6424d63 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -162,6 +162,7 @@ struct hci_conn {
__u8 dev_class[3];
__u8 features[8];
__u16 interval;
+ __u16 pkt_type;
__u16 link_policy;
__u32 link_mode;
__u8 power_save;
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index f888026..69c64ce 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -59,7 +59,8 @@ void hci_acl_connect(struct hci_conn *conn)
BT_DBG("%p", conn);
conn->state = BT_CONNECT;
- conn->out = 1;
+ conn->out = 1;
+
conn->link_mode = HCI_LM_MASTER;
conn->attempt++;
@@ -76,7 +77,7 @@ void hci_acl_connect(struct hci_conn *conn)
memcpy(conn->dev_class, ie->data.dev_class, 3);
}
- cp.pkt_type = cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
if (lmp_rswitch_capable(hdev) && !(hdev->link_mode & HCI_LM_MASTER))
cp.role_switch = 0x01;
else
@@ -122,7 +123,7 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle)
conn->out = 1;
cp.handle = cpu_to_le16(handle);
- cp.pkt_type = cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
hci_send_cmd(hdev, HCI_OP_ADD_SCO, sizeof(cp), &cp);
}
@@ -138,7 +139,7 @@ void hci_setup_sync(struct hci_conn *conn, __u16 handle)
conn->out = 1;
cp.handle = cpu_to_le16(handle);
- cp.pkt_type = cpu_to_le16(hdev->esco_type);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
cp.tx_bandwidth = cpu_to_le32(0x00001f40);
cp.rx_bandwidth = cpu_to_le32(0x00001f40);
@@ -199,13 +200,28 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
return NULL;
bacpy(&conn->dst, dst);
- conn->hdev = hdev;
- conn->type = type;
- conn->mode = HCI_CM_ACTIVE;
- conn->state = BT_OPEN;
+ conn->hdev = hdev;
+ conn->type = type;
+ conn->mode = HCI_CM_ACTIVE;
+ conn->state = BT_OPEN;
conn->power_save = 1;
+ switch (type) {
+ case ACL_LINK:
+ conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK;
+ break;
+ case SCO_LINK:
+ if (lmp_esco_capable(hdev))
+ conn->pkt_type = hdev->esco_type & SCO_ESCO_MASK;
+ else
+ conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK;
+ break;
+ case ESCO_LINK:
+ conn->pkt_type = hdev->esco_type;
+ break;
+ }
+
skb_queue_head_init(&conn->data_q);
setup_timer(&conn->disc_timer, hci_conn_timeout, (unsigned long)conn);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 6bc5a05..d4d2dcc 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -699,14 +699,12 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
}
/* Set packet type for incoming connection */
- if (!conn->out) {
+ if (!conn->out && hdev->hci_ver < 3) {
struct hci_cp_change_conn_ptype cp;
cp.handle = ev->handle;
- cp.pkt_type = (conn->type == ACL_LINK) ?
- cpu_to_le16(hdev->pkt_type & ACL_PTYPE_MASK):
- cpu_to_le16(hdev->pkt_type & SCO_PTYPE_MASK);
-
- hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE, sizeof(cp), &cp);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
+ hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
+ sizeof(cp), &cp);
} else {
/* Update disconnect timer */
hci_conn_hold(conn);
@@ -786,7 +784,7 @@ static inline void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *sk
struct hci_cp_accept_sync_conn_req cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
- cp.pkt_type = cpu_to_le16(hdev->esco_type);
+ cp.pkt_type = cpu_to_le16(conn->pkt_type);
cp.tx_bandwidth = cpu_to_le32(0x00001f40);
cp.rx_bandwidth = cpu_to_le32(0x00001f40);
@@ -1237,6 +1235,22 @@ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_dev_unlock(hdev);
}
+static inline void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct hci_ev_pkt_type_change *ev = (void *) skb->data;
+ struct hci_conn *conn;
+
+ BT_DBG("%s status %d", hdev->name, ev->status);
+
+ hci_dev_lock(hdev);
+
+ conn = hci_conn_hash_lookup_handle(hdev, __le16_to_cpu(ev->handle));
+ if (conn && !ev->status)
+ conn->pkt_type = __le16_to_cpu(ev->pkt_type);
+
+ hci_dev_unlock(hdev);
+}
+
static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_pscan_rep_mode *ev = (void *) skb->data;
@@ -1480,6 +1494,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_clock_offset_evt(hdev, skb);
break;
+ case HCI_EV_PKT_TYPE_CHANGE:
+ hci_pkt_type_change_evt(hdev, skb);
+ break;
+
case HCI_EV_PSCAN_REP_MODE:
hci_pscan_rep_mode_evt(hdev, skb);
break;
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