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Bluetooth: Add support for connect failed management event

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This patch add a new connect failed management event to track failures
in connecting to remote devices. It is particularly useful for security
mode 3 scenarios when we don't have a connected state while pairing but
still need to detect when the connect attempt failed.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Johan Hedberg 2011-01-22 06:09:08 +02:00 committed by Gustavo F. Padovan
parent 8962ee74be
commit 17d5c04cb5
4 changed files with 23 additions and 1 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -717,6 +717,7 @@ int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type);
int mgmt_connected(u16 index, bdaddr_t *bdaddr);
int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
int mgmt_disconnect_failed(u16 index);
int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)

7
include/net/bluetooth/mgmt.h
View File

@ -184,3 +184,10 @@ struct mgmt_ev_disconnected {
__le16 index;
bdaddr_t bdaddr;
} __packed;
#define MGMT_EV_CONNECT_FAILED 0x000D
struct mgmt_ev_connect_failed {
__le16 index;
bdaddr_t bdaddr;
__u8 status;
} __packed;

5
net/bluetooth/hci_event.c
View File

@ -1166,8 +1166,11 @@ static inline void hci_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *s
hci_send_cmd(hdev, HCI_OP_CHANGE_CONN_PTYPE,
sizeof(cp), &cp);
}
} else
} else {
conn->state = BT_CLOSED;
if (conn->type == ACL_LINK)
mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
}
if (conn->type == ACL_LINK)
hci_sco_setup(conn, ev->status);

11
net/bluetooth/mgmt.c
View File

@ -1227,3 +1227,14 @@ int mgmt_disconnect_failed(u16 index)
return err;
}
int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
{
struct mgmt_ev_connect_failed ev;
put_unaligned_le16(index, &ev.index);
bacpy(&ev.bdaddr, bdaddr);
ev.status = status;
return mgmt_event(MGMT_EV_CONNECT_FAILED, &ev, sizeof(ev), NULL);
}