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Commit 25e89e99 authored by Andrei Emeltchenko's avatar Andrei Emeltchenko Committed by Johan Hedberg
Browse files

Bluetooth: Process num completed data blocks event 



Adds support for Number Of Completed Data Blocks Event.

Signed-off-by: default avatarAndrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent 5e418623

include/net/bluetooth/hci.h

+13 −0
Original line number Diff line number Diff line
@@ -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 {

net/bluetooth/hci_event.c

+54 −0
Original line number Diff line number Diff line
@@ -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;