From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Adds support for Number Of Completed Data Blocks Event. Highly
modified version of Code Aurora code.
Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
---
include/net/bluetooth/hci.h | 7 +++++
net/bluetooth/hci_event.c | 61 +++++++++++++++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index 9490c2c..0a6193e 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -1149,6 +1149,13 @@ struct hci_ev_le_meta {
__u8 subevent;
} __packed;
+#define HCI_EV_NUM_COMP_BLOCKS 0x48
+struct hci_ev_num_comp_blocks {
+ __le16 num_blocks;
+ __u8 num_hndl;
+ /* variable length part */
+} __packed;
+
/* Low energy meta events */
#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index fd7e6b5..26e4d38 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2325,6 +2325,63 @@ static inline void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *s
tasklet_enable(&hdev->tx_task);
}
+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;
+ __le16 *ptr;
+ int i;
+
+ skb_pull(skb, sizeof(*ev));
+
+ BT_DBG("%s num_blocks %d num_hndl %d", hdev->name, ev->num_blocks,
+ ev->num_hndl);
+
+ if (skb->len < ev->num_hndl * 6) {
+ BT_DBG("%s bad parameters", hdev->name);
+ return;
+ }
+
+ if (hdev->dev_type != HCI_BREDR)
+ return;
+
+ tasklet_disable(&hdev->tx_task);
+
+ for (i = 0, ptr = (__le16 *) skb->data; i < ev->num_hndl; i++) {
+ struct hci_conn *conn;
+ __u16 handle, block_count;
+
+ handle = get_unaligned_le16(ptr++);
+
+ /* Skip packet count*/
+ ptr++;
+
+ block_count = get_unaligned_le16(ptr++);
+
+ 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("Not implemented for type %d", conn->type);
+ break;
+ }
+ }
+
+ tasklet_schedule(&hdev->tx_task);
+
+ tasklet_enable(&hdev->tx_task);
+}
+
static inline void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_mode_change *ev = (void *) skb->data;
@@ -3264,6 +3321,10 @@ 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;
--
1.7.4.1
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