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path: root/drivers/bluetooth/bpa10x.c
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Diffstat (limited to 'drivers/bluetooth/bpa10x.c')
-rw-r--r--drivers/bluetooth/bpa10x.c186
1 files changed, 66 insertions, 120 deletions
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index 8a319913c..49c397e21 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -35,7 +35,9 @@
#include <net/bluetooth/bluetooth.h>
#include <net/bluetooth/hci_core.h>
-#define VERSION "0.10"
+#include "hci_uart.h"
+
+#define VERSION "0.11"
static const struct usb_device_id bpa10x_table[] = {
/* Tektronix BPA 100/105 (Digianswer) */
@@ -56,112 +58,6 @@ struct bpa10x_data {
struct sk_buff *rx_skb[2];
};
-#define HCI_VENDOR_HDR_SIZE 5
-
-struct hci_vendor_hdr {
- __u8 type;
- __le16 snum;
- __le16 dlen;
-} __packed;
-
-static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
-{
- struct bpa10x_data *data = hci_get_drvdata(hdev);
-
- BT_DBG("%s queue %d buffer %p count %d", hdev->name,
- queue, buf, count);
-
- if (queue < 0 || queue > 1)
- return -EILSEQ;
-
- hdev->stat.byte_rx += count;
-
- while (count) {
- struct sk_buff *skb = data->rx_skb[queue];
- struct { __u8 type; int expect; } *scb;
- int type, len = 0;
-
- if (!skb) {
- /* Start of the frame */
-
- type = *((__u8 *) buf);
- count--; buf++;
-
- switch (type) {
- case HCI_EVENT_PKT:
- if (count >= HCI_EVENT_HDR_SIZE) {
- struct hci_event_hdr *h = buf;
- len = HCI_EVENT_HDR_SIZE + h->plen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_ACLDATA_PKT:
- if (count >= HCI_ACL_HDR_SIZE) {
- struct hci_acl_hdr *h = buf;
- len = HCI_ACL_HDR_SIZE +
- __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
-
- case HCI_SCODATA_PKT:
- if (count >= HCI_SCO_HDR_SIZE) {
- struct hci_sco_hdr *h = buf;
- len = HCI_SCO_HDR_SIZE + h->dlen;
- } else
- return -EILSEQ;
- break;
-
- case HCI_VENDOR_PKT:
- if (count >= HCI_VENDOR_HDR_SIZE) {
- struct hci_vendor_hdr *h = buf;
- len = HCI_VENDOR_HDR_SIZE +
- __le16_to_cpu(h->dlen);
- } else
- return -EILSEQ;
- break;
- }
-
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for packet", hdev->name);
- return -ENOMEM;
- }
-
- data->rx_skb[queue] = skb;
-
- scb = (void *) skb->cb;
- scb->type = type;
- scb->expect = len;
- } else {
- /* Continuation */
-
- scb = (void *) skb->cb;
- len = scb->expect;
- }
-
- len = min(len, count);
-
- memcpy(skb_put(skb, len), buf, len);
-
- scb->expect -= len;
-
- if (scb->expect == 0) {
- /* Complete frame */
-
- data->rx_skb[queue] = NULL;
-
- bt_cb(skb)->pkt_type = scb->type;
- hci_recv_frame(hdev, skb);
- }
-
- count -= len; buf += len;
- }
-
- return 0;
-}
-
static void bpa10x_tx_complete(struct urb *urb)
{
struct sk_buff *skb = urb->context;
@@ -184,6 +80,22 @@ done:
kfree_skb(skb);
}
+#define HCI_VENDOR_HDR_SIZE 5
+
+#define HCI_RECV_VENDOR \
+ .type = HCI_VENDOR_PKT, \
+ .hlen = HCI_VENDOR_HDR_SIZE, \
+ .loff = 3, \
+ .lsize = 2, \
+ .maxlen = HCI_MAX_FRAME_SIZE
+
+static const struct h4_recv_pkt bpa10x_recv_pkts[] = {
+ { H4_RECV_ACL, .recv = hci_recv_frame },
+ { H4_RECV_SCO, .recv = hci_recv_frame },
+ { H4_RECV_EVENT, .recv = hci_recv_frame },
+ { HCI_RECV_VENDOR, .recv = hci_recv_diag },
+};
+
static void bpa10x_rx_complete(struct urb *urb)
{
struct hci_dev *hdev = urb->context;
@@ -197,11 +109,17 @@ static void bpa10x_rx_complete(struct urb *urb)
return;
if (urb->status == 0) {
- if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe),
+ bool idx = usb_pipebulk(urb->pipe);
+
+ data->rx_skb[idx] = h4_recv_buf(hdev, data->rx_skb[idx],
urb->transfer_buffer,
- urb->actual_length) < 0) {
+ urb->actual_length,
+ bpa10x_recv_pkts,
+ ARRAY_SIZE(bpa10x_recv_pkts));
+ if (IS_ERR(data->rx_skb[idx])) {
BT_ERR("%s corrupted event packet", hdev->name);
hdev->stat.err_rx++;
+ data->rx_skb[idx] = NULL;
}
}
@@ -304,9 +222,6 @@ static int bpa10x_open(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
err = bpa10x_submit_intr_urb(hdev);
if (err < 0)
goto error;
@@ -320,8 +235,6 @@ static int bpa10x_open(struct hci_dev *hdev)
error:
usb_kill_anchored_urbs(&data->rx_anchor);
- clear_bit(HCI_RUNNING, &hdev->flags);
-
return err;
}
@@ -331,9 +244,6 @@ static int bpa10x_close(struct hci_dev *hdev)
BT_DBG("%s", hdev->name);
- if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
- return 0;
-
usb_kill_anchored_urbs(&data->rx_anchor);
return 0;
@@ -350,6 +260,24 @@ static int bpa10x_flush(struct hci_dev *hdev)
return 0;
}
+static int bpa10x_setup(struct hci_dev *hdev)
+{
+ const u8 req[] = { 0x07 };
+ struct sk_buff *skb;
+
+ BT_DBG("%s", hdev->name);
+
+ /* Read revision string */
+ skb = __hci_cmd_sync(hdev, 0xfc0e, sizeof(req), req, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ BT_INFO("%s: %s", hdev->name, (char *)(skb->data + 1));
+
+ kfree_skb(skb);
+ return 0;
+}
+
static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct bpa10x_data *data = hci_get_drvdata(hdev);
@@ -360,9 +288,6 @@ static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s", hdev->name);
- if (!test_bit(HCI_RUNNING, &hdev->flags))
- return -EBUSY;
-
skb->dev = (void *) hdev;
urb = usb_alloc_urb(0, GFP_ATOMIC);
@@ -431,6 +356,25 @@ static int bpa10x_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
return 0;
}
+static int bpa10x_set_diag(struct hci_dev *hdev, bool enable)
+{
+ const u8 req[] = { 0x00, enable };
+ struct sk_buff *skb;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -ENETDOWN;
+
+ /* Enable sniffer operation */
+ skb = __hci_cmd_sync(hdev, 0xfc0e, sizeof(req), req, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ kfree_skb(skb);
+ return 0;
+}
+
static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
struct bpa10x_data *data;
@@ -465,7 +409,9 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
hdev->open = bpa10x_open;
hdev->close = bpa10x_close;
hdev->flush = bpa10x_flush;
+ hdev->setup = bpa10x_setup;
hdev->send = bpa10x_send_frame;
+ hdev->set_diag = bpa10x_set_diag;
set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-06 05:53:53 +0000