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Diffstat (limited to 'include/net/bluetooth/l2cap.h')
-rw-r--r--include/net/bluetooth/l2cap.h87
1 files changed, 54 insertions, 33 deletions
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index b1664ed884e6..9b242c6bf55b 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -45,11 +45,11 @@
#define L2CAP_DEFAULT_SDU_ITIME 0xFFFFFFFF
#define L2CAP_DEFAULT_ACC_LAT 0xFFFFFFFF
-#define L2CAP_DISC_TIMEOUT (100)
-#define L2CAP_DISC_REJ_TIMEOUT (5000) /* 5 seconds */
-#define L2CAP_ENC_TIMEOUT (5000) /* 5 seconds */
-#define L2CAP_CONN_TIMEOUT (40000) /* 40 seconds */
-#define L2CAP_INFO_TIMEOUT (4000) /* 4 seconds */
+#define L2CAP_DISC_TIMEOUT msecs_to_jiffies(100)
+#define L2CAP_DISC_REJ_TIMEOUT msecs_to_jiffies(5000)
+#define L2CAP_ENC_TIMEOUT msecs_to_jiffies(5000)
+#define L2CAP_CONN_TIMEOUT msecs_to_jiffies(40000)
+#define L2CAP_INFO_TIMEOUT msecs_to_jiffies(4000)
/* L2CAP socket address */
struct sockaddr_l2 {
@@ -492,51 +492,56 @@ struct l2cap_chan {
struct sk_buff_head srej_q;
struct list_head srej_l;
- struct list_head list;
- struct list_head global_l;
+ struct list_head list;
+ struct list_head global_l;
- void *data;
- struct l2cap_ops *ops;
+ void *data;
+ struct l2cap_ops *ops;
+ struct mutex lock;
};
struct l2cap_ops {
- char *name;
+ char *name;
struct l2cap_chan *(*new_connection) (void *data);
int (*recv) (void *data, struct sk_buff *skb);
void (*close) (void *data);
void (*state_change) (void *data, int state);
+ struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan,
+ unsigned long len, int nb, int *err);
+
};
struct l2cap_conn {
- struct hci_conn *hcon;
- struct hci_chan *hchan;
+ struct hci_conn *hcon;
+ struct hci_chan *hchan;
- bdaddr_t *dst;
- bdaddr_t *src;
+ bdaddr_t *dst;
+ bdaddr_t *src;
- unsigned int mtu;
+ unsigned int mtu;
- __u32 feat_mask;
+ __u32 feat_mask;
+ __u8 fixed_chan_mask;
- __u8 info_state;
- __u8 info_ident;
+ __u8 info_state;
+ __u8 info_ident;
- struct delayed_work info_timer;
+ struct delayed_work info_timer;
- spinlock_t lock;
+ spinlock_t lock;
- struct sk_buff *rx_skb;
- __u32 rx_len;
- __u8 tx_ident;
+ struct sk_buff *rx_skb;
+ __u32 rx_len;
+ __u8 tx_ident;
- __u8 disc_reason;
+ __u8 disc_reason;
- struct delayed_work security_timer;
- struct smp_chan *smp_chan;
+ struct delayed_work security_timer;
+ struct smp_chan *smp_chan;
- struct list_head chan_l;
- struct mutex chan_lock;
+ struct list_head chan_l;
+ struct mutex chan_lock;
};
#define L2CAP_INFO_CL_MTU_REQ_SENT 0x01
@@ -551,9 +556,9 @@ struct l2cap_conn {
#define l2cap_pi(sk) ((struct l2cap_pinfo *) sk)
struct l2cap_pinfo {
- struct bt_sock bt;
+ struct bt_sock bt;
struct l2cap_chan *chan;
- struct sk_buff *rx_busy_skb;
+ struct sk_buff *rx_busy_skb;
};
enum {
@@ -606,21 +611,37 @@ static inline void l2cap_chan_put(struct l2cap_chan *c)
kfree(c);
}
+static inline void l2cap_chan_lock(struct l2cap_chan *chan)
+{
+ mutex_lock(&chan->lock);
+}
+
+static inline void l2cap_chan_unlock(struct l2cap_chan *chan)
+{
+ mutex_unlock(&chan->lock);
+}
+
static inline void l2cap_set_timer(struct l2cap_chan *chan,
struct delayed_work *work, long timeout)
{
- BT_DBG("chan %p state %d timeout %ld", chan, chan->state, timeout);
+ BT_DBG("chan %p state %s timeout %ld", chan,
+ state_to_string(chan->state), timeout);
if (!cancel_delayed_work(work))
l2cap_chan_hold(chan);
schedule_delayed_work(work, timeout);
}
-static inline void l2cap_clear_timer(struct l2cap_chan *chan,
+static inline bool l2cap_clear_timer(struct l2cap_chan *chan,
struct delayed_work *work)
{
- if (cancel_delayed_work(work))
+ bool ret;
+
+ ret = cancel_delayed_work(work);
+ if (ret)
l2cap_chan_put(chan);
+
+ return ret;
}
#define __set_chan_timer(c, t) l2cap_set_timer(c, &c->chan_timer, (t))