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Bluetooth: Rename bt_cb()->req into bt_cb()->hci

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The SKB context buffer for HCI request is really not just for requests,
information in their are preserved for the whole HCI layer. So it makes
more sense to actually rename it into bt_cb()->hci and also call it then
struct hci_ctrl.

In addition that allows moving the decoded opcode for outgoing packets
into that struct. So far it was just consuming valuable space from the
main shared items. And opcode are not valid for L2CAP packets.

Signed-off-by: Marcel Holtmann <[email protected]>
Signed-off-by: Johan Hedberg <[email protected]>
This commit is contained in:
Marcel Holtmann 2015-10-25 22:45:53 +01:00 • committed by Johan Hedberg
commit 242c0ebd37
5 changed files with 24 additions and 24 deletions
Download patch file Download diff file Expand all files Collapse all files

18
net/bluetooth/hci_core.c
View file

@ -3650,7 +3650,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen,
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
bt_cb(skb)->req.start = true;
bt_cb(skb)->hci.req_start = true;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);
@ -4347,7 +4347,7 @@ static bool hci_req_is_complete(struct hci_dev *hdev)
if (!skb)
return true;
return bt_cb(skb)->req.start;
return bt_cb(skb)->hci.req_start;
}
static void hci_resend_last(struct hci_dev *hdev)
@ -4407,26 +4407,26 @@ void hci_req_cmd_complete(struct hci_dev *hdev, u16 opcode, u8 status,
* callback would be found in hdev->sent_cmd instead of the
* command queue (hdev->cmd_q).
*/
if (bt_cb(hdev->sent_cmd)->req.complete) {
*req_complete = bt_cb(hdev->sent_cmd)->req.complete;
if (bt_cb(hdev->sent_cmd)->hci.req_complete) {
*req_complete = bt_cb(hdev->sent_cmd)->hci.req_complete;
return;
}
if (bt_cb(hdev->sent_cmd)->req.complete_skb) {
*req_complete_skb = bt_cb(hdev->sent_cmd)->req.complete_skb;
if (bt_cb(hdev->sent_cmd)->hci.req_complete_skb) {
*req_complete_skb = bt_cb(hdev->sent_cmd)->hci.req_complete_skb;
return;
}
/* Remove all pending commands belonging to this request */
spin_lock_irqsave(&hdev->cmd_q.lock, flags);
while ((skb = __skb_dequeue(&hdev->cmd_q))) {
if (bt_cb(skb)->req.start) {
if (bt_cb(skb)->hci.req_start) {
__skb_queue_head(&hdev->cmd_q, skb);
break;
}
*req_complete = bt_cb(skb)->req.complete;
*req_complete_skb = bt_cb(skb)->req.complete_skb;
*req_complete = bt_cb(skb)->hci.req_complete;
*req_complete_skb = bt_cb(skb)->hci.req_complete_skb;
kfree_skb(skb);
}
spin_unlock_irqrestore(&hdev->cmd_q.lock, flags);

4
net/bluetooth/hci_event.c
View file

@ -3138,7 +3138,7 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb,
* complete event).
*/
if (ev->status ||
(hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->req.event))
(hdev->sent_cmd && !bt_cb(hdev->sent_cmd)->hci.req_event))
hci_req_cmd_complete(hdev, *opcode, ev->status, req_complete,
req_complete_skb);
@ -5209,7 +5209,7 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
u8 status = 0, event = hdr->evt, req_evt = 0;
u16 opcode = HCI_OP_NOP;
if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->req.event == event) {
if (hdev->sent_cmd && bt_cb(hdev->sent_cmd)->hci.req_event == event) {
struct hci_command_hdr *cmd_hdr = (void *) hdev->sent_cmd->data;
opcode = __le16_to_cpu(cmd_hdr->opcode);
hci_req_cmd_complete(hdev, opcode, status, &req_complete,

10
net/bluetooth/hci_request.c
View file

@ -56,8 +56,8 @@ static int req_run(struct hci_request *req, hci_req_complete_t complete,
return -ENODATA;
skb = skb_peek_tail(&req->cmd_q);
bt_cb(skb)->req.complete = complete;
bt_cb(skb)->req.complete_skb = complete_skb;
bt_cb(skb)->hci.req_complete = complete;
bt_cb(skb)->hci.req_complete_skb = complete_skb;
spin_lock_irqsave(&hdev->cmd_q.lock, flags);
skb_queue_splice_tail(&req->cmd_q, &hdev->cmd_q);
@ -99,7 +99,7 @@ struct sk_buff *hci_prepare_cmd(struct hci_dev *hdev, u16 opcode, u32 plen,
BT_DBG("skb len %d", skb->len);
bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
bt_cb(skb)->opcode = opcode;
bt_cb(skb)->hci.opcode = opcode;
return skb;
}
@ -128,9 +128,9 @@ void hci_req_add_ev(struct hci_request *req, u16 opcode, u32 plen,
}
if (skb_queue_empty(&req->cmd_q))
bt_cb(skb)->req.start = true;
bt_cb(skb)->hci.req_start = true;
bt_cb(skb)->req.event = event;
bt_cb(skb)->hci.req_event = event;
skb_queue_tail(&req->cmd_q, skb);
}

2
net/bluetooth/hci_sock.c
View file

@ -1249,7 +1249,7 @@ static int hci_sock_sendmsg(struct socket *sock, struct msghdr *msg,
/* Stand-alone HCI commands must be flagged as
* single-command requests.
*/
bt_cb(skb)->req.start = true;
bt_cb(skb)->hci.req_start = true;
skb_queue_tail(&hdev->cmd_q, skb);
queue_work(hdev->workqueue, &hdev->cmd_work);