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[Bluetooth] Support create connection cancel command

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In case of non-blocking connects it is possible that the last user
of an ACL link quits before the connection has been fully established.
This will lead to a race condition where the internal state of a
connection is closed, but the actual link has been established and is
active. In case of Bluetooth 1.2 and later devices it is possible to
call create connection cancel to abort the connect. For older devices
the disconnect timer will be used to trigger the needed disconnect.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann
2006-09-26 09:43:48 +02:00
committed by David S. Miller
parent 1143e5a6d4
commit 6ac59344ef
4 changed files with 43 additions and 7 deletions
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6
include/net/bluetooth/hci.h
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@ -297,6 +297,7 @@ struct hci_cp_host_buffer_size {
/* Link Control */
#define OGF_LINK_CTL 0x01
#define OCF_CREATE_CONN 0x0005
struct hci_cp_create_conn {
bdaddr_t bdaddr;
@ -307,6 +308,11 @@ struct hci_cp_create_conn {
__u8 role_switch;
} __attribute__ ((packed));
#define OCF_CREATE_CONN_CANCEL 0x0008
struct hci_cp_create_conn_cancel {
bdaddr_t bdaddr;
} __attribute__ ((packed));
#define OCF_ACCEPT_CONN_REQ 0x0009
struct hci_cp_accept_conn_req {
bdaddr_t bdaddr;