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Bluetooth: Provide hdev parameter to hci_recv_frame() driver callback 

To avoid casting skb->dev into hdev, just let the drivers provide
the hdev directly when calling hci_recv_frame() function.

This patch also fixes up all drivers to provide the hdev.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
This commit is contained in:
Marcel Holtmann 2013-10-10 16:52:43 -07:00 committed by Johan Hedberg
parent 8909f6d2c4
commit e1a2617069
15 changed files with 24 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/bluetooth/bfusb.c
View File

@ -318,7 +318,6 @@ static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned ch
return -ENOMEM;
}
skb->dev = (void *) data->hdev;
bt_cb(skb)->pkt_type = pkt_type;
data->reassembly = skb;
@ -333,7 +332,7 @@ static inline int bfusb_recv_block(struct bfusb_data *data, int hdr, unsigned ch
memcpy(skb_put(data->reassembly, len), buf, len);
if (hdr & 0x08) {
hci_recv_frame(data->reassembly);
hci_recv_frame(data->hdev, data->reassembly);
data->reassembly = NULL;
}

3
drivers/bluetooth/bluecard_cs.c
View File

@ -399,7 +399,6 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset)
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
info->rx_skb->dev = (void *) info->hdev;
bt_cb(info->rx_skb)->pkt_type = buf[i];
switch (bt_cb(info->rx_skb)->pkt_type) {
@ -477,7 +476,7 @@ static void bluecard_receive(bluecard_info_t *info, unsigned int offset)
break;
case RECV_WAIT_DATA:
hci_recv_frame(info->rx_skb);
hci_recv_frame(info->hdev, info->rx_skb);
info->rx_skb = NULL;
break;

4
drivers/bluetooth/bpa10x.c
View File

@ -129,8 +129,6 @@ static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
return -ENOMEM;
}
skb->dev = (void *) hdev;
data->rx_skb[queue] = skb;
scb = (void *) skb->cb;
@ -155,7 +153,7 @@ static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
data->rx_skb[queue] = NULL;
bt_cb(skb)->pkt_type = scb->type;
hci_recv_frame(skb);
hci_recv_frame(hdev, skb);
}
count -= len; buf += len;

3
drivers/bluetooth/bt3c_cs.c
View File

@ -247,7 +247,6 @@ static void bt3c_receive(bt3c_info_t *info)
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
info->rx_skb->dev = (void *) info->hdev;
bt_cb(info->rx_skb)->pkt_type = inb(iobase + DATA_L);
inb(iobase + DATA_H);
//printk("bt3c: PACKET_TYPE=%02x\n", bt_cb(info->rx_skb)->pkt_type);
@ -318,7 +317,7 @@ static void bt3c_receive(bt3c_info_t *info)
break;
case RECV_WAIT_DATA:
hci_recv_frame(info->rx_skb);
hci_recv_frame(info->hdev, info->rx_skb);
info->rx_skb = NULL;
break;

8
drivers/bluetooth/btmrvl_sdio.c
View File

@ -600,15 +600,14 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv)
case HCI_SCODATA_PKT:
case HCI_EVENT_PKT:
bt_cb(skb)->pkt_type = type;
skb->dev = (void *)hdev;
skb_put(skb, buf_len);
skb_pull(skb, SDIO_HEADER_LEN);
if (type == HCI_EVENT_PKT) {
if (btmrvl_check_evtpkt(priv, skb))
hci_recv_frame(skb);
hci_recv_frame(hdev, skb);
} else {
hci_recv_frame(skb);
hci_recv_frame(hdev, skb);
}
hdev->stat.byte_rx += buf_len;
@ -616,12 +615,11 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv)
case MRVL_VENDOR_PKT:
bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
skb->dev = (void *)hdev;
skb_put(skb, buf_len);
skb_pull(skb, SDIO_HEADER_LEN);
if (btmrvl_process_event(priv, skb))
hci_recv_frame(skb);
hci_recv_frame(hdev, skb);
hdev->stat.byte_rx += buf_len;
break;

3
drivers/bluetooth/btsdio.c
View File

@ -157,10 +157,9 @@ static int btsdio_rx_packet(struct btsdio_data *data)
data->hdev->stat.byte_rx += len;
skb->dev = (void *) data->hdev;
bt_cb(skb)->pkt_type = hdr[3];
err = hci_recv_frame(skb);
err = hci_recv_frame(data->hdev, skb);
if (err < 0)
return err;

3
drivers/bluetooth/btuart_cs.c
View File

@ -198,7 +198,6 @@ static void btuart_receive(btuart_info_t *info)
if (info->rx_state == RECV_WAIT_PACKET_TYPE) {
info->rx_skb->dev = (void *) info->hdev;
bt_cb(info->rx_skb)->pkt_type = inb(iobase + UART_RX);
switch (bt_cb(info->rx_skb)->pkt_type) {
@ -265,7 +264,7 @@ static void btuart_receive(btuart_info_t *info)
break;
case RECV_WAIT_DATA:
hci_recv_frame(info->rx_skb);
hci_recv_frame(info->hdev, info->rx_skb);
info->rx_skb = NULL;
break;

4
drivers/bluetooth/btwilink.c
View File

@ -108,10 +108,8 @@ static long st_receive(void *priv_data, struct sk_buff *skb)
return -EFAULT;
}
skb->dev = (void *) lhst->hdev;
/* Forward skb to HCI core layer */
err = hci_recv_frame(skb);
err = hci_recv_frame(lhst->hdev, skb);
if (err < 0) {
BT_ERR("Unable to push skb to HCI core(%d)", err);
return err;

3
drivers/bluetooth/dtl1_cs.c
View File

@ -256,9 +256,8 @@ static void dtl1_receive(dtl1_info_t *info)
case 0x83:
case 0x84:
/* send frame to the HCI layer */
info->rx_skb->dev = (void *) info->hdev;
bt_cb(info->rx_skb)->pkt_type &= 0x0f;
hci_recv_frame(info->rx_skb);
hci_recv_frame(info->hdev, info->rx_skb);
break;
default:
/* unknown packet */

5
drivers/bluetooth/hci_bcsp.c
View File

@ -522,7 +522,7 @@ static void bcsp_complete_rx_pkt(struct hci_uart *hu)
memcpy(skb_push(bcsp->rx_skb, HCI_EVENT_HDR_SIZE), &hdr, HCI_EVENT_HDR_SIZE);
bt_cb(bcsp->rx_skb)->pkt_type = HCI_EVENT_PKT;
hci_recv_frame(bcsp->rx_skb);
hci_recv_frame(hu->hdev, bcsp->rx_skb);
} else {
BT_ERR ("Packet for unknown channel (%u %s)",
bcsp->rx_skb->data[1] & 0x0f,
@ -536,7 +536,7 @@ static void bcsp_complete_rx_pkt(struct hci_uart *hu)
/* Pull out BCSP hdr */
skb_pull(bcsp->rx_skb, 4);
hci_recv_frame(bcsp->rx_skb);
hci_recv_frame(hu->hdev, bcsp->rx_skb);
}
bcsp->rx_state = BCSP_W4_PKT_DELIMITER;
@ -655,7 +655,6 @@ static int bcsp_recv(struct hci_uart *hu, void *data, int count)
bcsp->rx_count = 0;
return 0;
}
bcsp->rx_skb->dev = (void *) hu->hdev;
break;
}
break;

2
drivers/bluetooth/hci_h5.c
View File

@ -340,7 +340,7 @@ static void h5_complete_rx_pkt(struct hci_uart *hu)
/* Remove Three-wire header */
skb_pull(h5->rx_skb, 4);
hci_recv_frame(h5->rx_skb);
hci_recv_frame(hu->hdev, h5->rx_skb);
h5->rx_skb = NULL;
break;

13
drivers/bluetooth/hci_ll.c
View File

@ -346,14 +346,14 @@ static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb)
return 0;
}
static inline int ll_check_data_len(struct ll_struct *ll, int len)
static inline int ll_check_data_len(struct hci_dev *hdev, struct ll_struct *ll, int len)
{
int room = skb_tailroom(ll->rx_skb);
BT_DBG("len %d room %d", len, room);
if (!len) {
hci_recv_frame(ll->rx_skb);
hci_recv_frame(hdev, ll->rx_skb);
} else if (len > room) {
BT_ERR("Data length is too large");
kfree_skb(ll->rx_skb);
@ -395,7 +395,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count)
switch (ll->rx_state) {
case HCILL_W4_DATA:
BT_DBG("Complete data");
hci_recv_frame(ll->rx_skb);
hci_recv_frame(hu->hdev, ll->rx_skb);
ll->rx_state = HCILL_W4_PACKET_TYPE;
ll->rx_skb = NULL;
@ -406,7 +406,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count)
BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen);
ll_check_data_len(ll, eh->plen);
ll_check_data_len(hu->hdev, ll, eh->plen);
continue;
case HCILL_W4_ACL_HDR:
@ -415,7 +415,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count)
BT_DBG("ACL header: dlen %d", dlen);
ll_check_data_len(ll, dlen);
ll_check_data_len(hu->hdev, ll, dlen);
continue;
case HCILL_W4_SCO_HDR:
@ -423,7 +423,7 @@ static int ll_recv(struct hci_uart *hu, void *data, int count)
BT_DBG("SCO header: dlen %d", sh->dlen);
ll_check_data_len(ll, sh->dlen);
ll_check_data_len(hu->hdev, ll, sh->dlen);
continue;
}
}
@ -494,7 +494,6 @@ static int ll_recv(struct hci_uart *hu, void *data, int count)
return -ENOMEM;
}
ll->rx_skb->dev = (void *) hu->hdev;
bt_cb(ll->rx_skb)->pkt_type = type;
}

3
drivers/bluetooth/hci_vhci.c
View File

@ -179,10 +179,9 @@ static inline ssize_t vhci_get_user(struct vhci_data *data,
return -ENODEV;
}
skb->dev = (void *) data->hdev;
bt_cb(skb)->pkt_type = pkt_type;
ret = hci_recv_frame(skb);
ret = hci_recv_frame(data->hdev, skb);
break;
case HCI_VENDOR_PKT:

2
include/net/bluetooth/hci_core.h
View File

@ -755,7 +755,7 @@ int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr);
void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_frame(struct sk_buff *skb);
int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb);
int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count);
int hci_recv_stream_fragment(struct hci_dev *hdev, void *data, int count);

6
net/bluetooth/hci_core.c
View File

@ -2485,9 +2485,8 @@ int hci_resume_dev(struct hci_dev *hdev)
EXPORT_SYMBOL(hci_resume_dev);
/* Receive frame from HCI drivers */
int hci_recv_frame(struct sk_buff *skb)
int hci_recv_frame(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
if (!hdev || (!test_bit(HCI_UP, &hdev->flags)
&& !test_bit(HCI_INIT, &hdev->flags))) {
kfree_skb(skb);
@ -2546,7 +2545,6 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
scb->expect = hlen;
scb->pkt_type = type;
skb->dev = (void *) hdev;
hdev->reassembly[index] = skb;
}
@ -2606,7 +2604,7 @@ static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
/* Complete frame */
bt_cb(skb)->pkt_type = type;
hci_recv_frame(skb);
hci_recv_frame(hdev, skb);
hdev->reassembly[index] = NULL;
return remain;