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Bluetooth: Process num completed data blocks event 

Adds support for Number Of Completed Data Blocks Event.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Andrei Emeltchenko 2012-01-04 12:41:58 +02:00 committed by Johan Hedberg
parent 5e41862322
commit 25e89e99b4
2 changed files with 67 additions and 0 deletions
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13
include/net/bluetooth/hci.h
View File

@ -1168,6 +1168,19 @@ struct hci_ev_le_meta {
__u8 subevent;
} __packed;
#define HCI_EV_NUM_COMP_BLOCKS 0x48
struct hci_comp_blocks_info {
__le16 handle;
__le16 pkts;
__le16 blocks;
} __packed;
struct hci_ev_num_comp_blocks {
__le16 num_blocks;
__u8 num_hndl;
struct hci_comp_blocks_info handles[0];
} __packed;
/* Low energy meta events */
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {

54
net/bluetooth/hci_event.c
View File

@ -2408,6 +2408,56 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
queue_work(hdev->workqueue, &hdev->tx_work);
}
static inline void hci_num_comp_blocks_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_num_comp_blocks *ev = (void *) skb->data;
int i;
if (hdev->flow_ctl_mode != HCI_FLOW_CTL_MODE_BLOCK_BASED) {
BT_ERR("Wrong event for mode %d", hdev->flow_ctl_mode);
return;
}
if (skb->len < sizeof(*ev) || skb->len < sizeof(*ev) +
ev->num_hndl * sizeof(struct hci_comp_blocks_info)) {
BT_DBG("%s bad parameters", hdev->name);
return;
}
BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
ev->num_hndl);
for (i = 0; i < ev->num_hndl; i++) {
struct hci_comp_blocks_info *info = &ev->handles[i];
struct hci_conn *conn;
__u16 handle, block_count;
handle = __le16_to_cpu(info->handle);
block_count = __le16_to_cpu(info->blocks);
conn = hci_conn_hash_lookup_handle(hdev, handle);
if (!conn)
continue;
conn->sent -= block_count;
switch (conn->type) {
case ACL_LINK:
hdev->block_cnt += block_count;
if (hdev->block_cnt > hdev->num_blocks)
hdev->block_cnt = hdev->num_blocks;
break;
default:
BT_ERR("Unknown type %d conn %p", conn->type, conn);
break;
}
}
queue_work(hdev->workqueue, &hdev->tx_work);
}
static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_mode_change *ev = (void *) skb->data;
@ -3386,6 +3436,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_remote_oob_data_request_evt(hdev, skb);
break;
case HCI_EV_NUM_COMP_BLOCKS:
hci_num_comp_blocks_evt(hdev, skb);
break;
default:
BT_DBG("%s event 0x%x", hdev->name, event);
break;