xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Bluetooth: Implement deferred sco socket setup

Browse Source 
In order to authenticate and configure an incoming SCO connection, the
BT_DEFER_SETUP option was added. This option is intended to defer reply
to Connect Request on SCO sockets.
When a connection is requested, the listening socket is unblocked but
the effective connection setup happens only on first recv. Any send
between accept and recv fails with -ENOTCONN.

Signed-off-by: Frédéric Dalleau <frederic.dalleau@linux.intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
This commit is contained in:
Frédéric Dalleau
2012-11-21 10:51:12 +01:00
committed by Gustavo Padovan
parent b96e9c671b
commit 20714bfef8
3 changed files with 86 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
include/net/bluetooth/hci_core.h
View File

@@ -376,7 +376,7 @@ extern int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt);
extern int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb,
u16 flags);
extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
extern int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
extern void sco_connect_cfm(struct hci_conn *hcon, __u8 status);
extern void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
extern int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
@@ -577,6 +577,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst);
int hci_conn_del(struct hci_conn *conn);
void hci_conn_hash_flush(struct hci_dev *hdev);
void hci_conn_check_pending(struct hci_dev *hdev);
void hci_conn_accept(struct hci_conn *conn, int mask);
struct hci_chan *hci_chan_create(struct hci_conn *conn);
void hci_chan_del(struct hci_chan *chan);
@@ -779,8 +780,10 @@ void hci_conn_del_sysfs(struct hci_conn *conn);
#define lmp_host_le_br_capable(dev) ((dev)->host_features[0] & LMP_HOST_LE_BREDR)
/* ----- HCI protocols ----- */
#define HCI_PROTO_DEFER 0x01
static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
__u8 type)
__u8 type, __u8 *flags)
{
switch (type) {
case ACL_LINK:
@@ -788,7 +791,7 @@ static inline int hci_proto_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr,
case SCO_LINK:
case ESCO_LINK:
return sco_connect_ind(hdev, bdaddr);
return sco_connect_ind(hdev, bdaddr, flags);
default:
BT_ERR("unknown link type %d", type);