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Bluetooth: Convert disconn_cfm to be triggered through hci_cb

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This patch moves all the disconn_cfm callbacks to be based on the hci_cb
list. This means making l2cap_disconn_cfm private to l2cap_core.c and
sco_conn_cb private to sco.c respectively. Since the hci_conn type
filtering isn't done any more on the wrapper level the callbacks
themselves need to check that they were passed a relevant type of
connection.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2015-02-18 14:53:58 +02:00 committed by Marcel Holtmann
parent 539c496d88
commit 3a6d576be9
5 changed files with 28 additions and 32 deletions
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44
include/net/bluetooth/hci_core.h
View File

@ -504,11 +504,9 @@ extern struct mutex hci_cb_list_lock;
/* ----- HCI interface to upper protocols ----- */
int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr);
int l2cap_disconn_ind(struct hci_conn *hcon);
void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason);
int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags);
int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags);
void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason);
int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb);
/* ----- Inquiry cache ----- */
@ -1056,32 +1054,6 @@ static inline int hci_proto_disconn_ind(struct hci_conn *conn)
return l2cap_disconn_ind(conn);
}
static inline void hci_proto_disconn_cfm(struct hci_conn *conn, __u8 reason)
{
switch (conn->type) {
case ACL_LINK:
case LE_LINK:
l2cap_disconn_cfm(conn, reason);
break;
case SCO_LINK:
case ESCO_LINK:
sco_disconn_cfm(conn, reason);
break;
/* L2CAP would be handled for BREDR chan */
case AMP_LINK:
break;
default:
BT_ERR("unknown link type %d", conn->type);
break;
}
if (conn->disconn_cfm_cb)
conn->disconn_cfm_cb(conn, reason);
}
/* ----- HCI callbacks ----- */
struct hci_cb {
struct list_head list;
@ -1089,6 +1061,7 @@ struct hci_cb {
char *name;
void (*connect_cfm) (struct hci_conn *conn, __u8 status);
void (*disconn_cfm) (struct hci_conn *conn, __u8 status);
void (*security_cfm) (struct hci_conn *conn, __u8 status,
__u8 encrypt);
void (*key_change_cfm) (struct hci_conn *conn, __u8 status);
@ -1110,6 +1083,21 @@ static inline void hci_connect_cfm(struct hci_conn *conn, __u8 status)
conn->connect_cfm_cb(conn, status);
}
static inline void hci_disconn_cfm(struct hci_conn *conn, __u8 reason)
{
struct hci_cb *cb;
mutex_lock(&hci_cb_list_lock);
list_for_each_entry(cb, &hci_cb_list, list) {
if (cb->disconn_cfm)
cb->disconn_cfm(conn, reason);
}
mutex_unlock(&hci_cb_list_lock);
if (conn->disconn_cfm_cb)
conn->disconn_cfm_cb(conn, reason);
}
static inline void hci_auth_cfm(struct hci_conn *conn, __u8 status)
{
struct hci_cb *cb;

2
net/bluetooth/hci_conn.c
View File

@ -1151,7 +1151,7 @@ void hci_conn_hash_flush(struct hci_dev *hdev)
list_for_each_entry_safe(c, n, &h->list, list) {
c->state = BT_CLOSED;
hci_proto_disconn_cfm(c, HCI_ERROR_LOCAL_HOST_TERM);
hci_disconn_cfm(c, HCI_ERROR_LOCAL_HOST_TERM);
hci_conn_del(c);
}
}

2
net/bluetooth/hci_event.c
View File

@ -2444,7 +2444,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
type = conn->type;
hci_proto_disconn_cfm(conn, ev->reason);
hci_disconn_cfm(conn, ev->reason);
hci_conn_del(conn);
/* Re-enable advertising if necessary, since it might

6
net/bluetooth/l2cap_core.c
View File

@ -7324,8 +7324,11 @@ int l2cap_disconn_ind(struct hci_conn *hcon)
return conn->disc_reason;
}
void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
static void l2cap_disconn_cfm(struct hci_conn *hcon, u8 reason)
{
if (hcon->type != ACL_LINK && hcon->type != LE_LINK)
return;
BT_DBG("hcon %p reason %d", hcon, reason);
l2cap_conn_del(hcon, bt_to_errno(reason));
@ -7547,6 +7550,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags)
static struct hci_cb l2cap_cb = {
.name = "L2CAP",
.connect_cfm = l2cap_connect_cfm,
.disconn_cfm = l2cap_disconn_cfm,
.security_cfm = l2cap_security_cfm,
};

6
net/bluetooth/sco.c
View File

@ -1100,8 +1100,11 @@ static void sco_connect_cfm(struct hci_conn *hcon, __u8 status)
sco_conn_del(hcon, bt_to_errno(status));
}
void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
static void sco_disconn_cfm(struct hci_conn *hcon, __u8 reason)
{
if (hcon->type != SCO_LINK && hcon->type != ESCO_LINK)
return;
BT_DBG("hcon %p reason %d", hcon, reason);
sco_conn_del(hcon, bt_to_errno(reason));
@ -1129,6 +1132,7 @@ int sco_recv_scodata(struct hci_conn *hcon, struct sk_buff *skb)
static struct hci_cb sco_cb = {
.name = "SCO",
.connect_cfm = sco_connect_cfm,
.disconn_cfm = sco_disconn_cfm,
};
static int sco_debugfs_show(struct seq_file *f, void *p)