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[Bluetooth]: Track page scan repetition mode changes

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The HCI page scan repetition mode change event contains the actual
page scan repetition mode for the remote device. It is the same
value that is received from an inquiry response and it can be used
to make further reconnections faster.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcel Holtmann 2005-08-09 20:28:02 -07:00 committed by David S. Miller
parent 45bb4bf08b
commit 85a1e930bf
2 changed files with 28 additions and 0 deletions
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6
include/net/bluetooth/hci.h
View file

@ -593,6 +593,12 @@ struct hci_ev_clock_offset {
__u16 clock_offset;
} __attribute__ ((packed));
#define HCI_EV_PSCAN_REP_MODE 0x20
struct hci_ev_pscan_rep_mode {
bdaddr_t bdaddr;
__u8 pscan_rep_mode;
} __attribute__ ((packed));
/* Internal events generated by Bluetooth stack */
#define HCI_EV_STACK_INTERNAL 0xFD
struct hci_ev_stack_internal {

22
net/bluetooth/hci_event.c
View file

@ -894,6 +894,24 @@ static inline void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_dev_unlock(hdev);
}
/* Page Scan Repetition Mode */
static inline void hci_pscan_rep_mode_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_pscan_rep_mode *ev = (struct hci_ev_pscan_rep_mode *) skb->data;
struct inquiry_entry *ie;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if ((ie = hci_inquiry_cache_lookup(hdev, &ev->bdaddr))) {
ie->data.pscan_rep_mode = ev->pscan_rep_mode;
ie->timestamp = jiffies;
}
hci_dev_unlock(hdev);
}
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_event_hdr *hdr = (struct hci_event_hdr *) skb->data;
@ -966,6 +984,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_clock_offset_evt(hdev, skb);
break;
case HCI_EV_PSCAN_REP_MODE:
hci_pscan_rep_mode_evt(hdev, skb);
break;
case HCI_EV_CMD_STATUS:
cs = (struct hci_ev_cmd_status *) skb->data;
skb_pull(skb, sizeof(cs));