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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 19:22:33 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 19:22:33 -0700
commitf09cc910fe3af7e63298105bc0482653eb534c3c (patch)
treea09dca8a3d033352edff6cb1d911f3cd0e980f1f /drivers
parent8b0eaccab4584ace24d233214bfee3cb50e49a60 (diff)
parentea2c47b42f12dadbad9d879fb6df102b9003ab82 (diff)
downloadkernel-crypto-f09cc910fe3af7e63298105bc0482653eb534c3c.tar.gz
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kernel-crypto-f09cc910fe3af7e63298105bc0482653eb534c3c.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: (30 commits) [IPSEC] IPV6: Fix to add tunnel mode SA correctly. [NET]: Cut off the queue_mapping field from sk_buff [NET]: Hide the queue_mapping field inside netif_subqueue_stopped [NET]: Make and use skb_get_queue_mapping [NET]: Use the skb_set_queue_mapping where appropriate [INET]: Use MODULE_ALIAS_NET_PF_PROTO_TYPE where possible. [INET]: Let inet_diag and friends autoload [NIU]: Cleanup PAGE_SIZE checks a bit [NET]: Fix SKB_WITH_OVERHEAD calculation [ATM]: Fix clip module reload crash. [TG3]: Update version to 3.85 [TG3]: PCI command adjustment [TG3]: Add management FW version to ethtool report [TG3]: Add 5723 support [Bluetooth] Convert RFCOMM to use kthread API [Bluetooth] Add constant for Bluetooth socket options level [Bluetooth] Add support for handling simple eSCO links [Bluetooth] Add address and channel attribute to RFCOMM TTY device [Bluetooth] Fix wrong argument in debug code of HIDP [Bluetooth] Add generic driver for Bluetooth USB devices ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/bluetooth/Kconfig35
-rw-r--r--drivers/bluetooth/Makefile4
-rw-r--r--drivers/bluetooth/bluecard_cs.c5
-rw-r--r--drivers/bluetooth/bpa10x.c624
-rw-r--r--drivers/bluetooth/bt3c_cs.c5
-rw-r--r--drivers/bluetooth/btsdio.c406
-rw-r--r--drivers/bluetooth/btuart_cs.c5
-rw-r--r--drivers/bluetooth/btusb.c564
-rw-r--r--drivers/bluetooth/dtl1_cs.c5
-rw-r--r--drivers/bluetooth/hci_bcsp.c3
-rw-r--r--drivers/bluetooth/hci_ldisc.c8
-rw-r--r--drivers/bluetooth/hci_ll.c531
-rw-r--r--drivers/bluetooth/hci_uart.h8
-rw-r--r--drivers/net/cpmac.c2
-rw-r--r--drivers/net/niu.c34
-rw-r--r--drivers/net/tg3.c95
-rw-r--r--drivers/net/tg3.h11
17 files changed, 1912 insertions, 433 deletions
diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig
index b9fbe6e7f9a..075598e1c50 100644
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -22,6 +22,30 @@ config BT_HCIUSB_SCO
Say Y here to compile support for SCO over HCI USB.
+config BT_HCIBTUSB
+ tristate "HCI USB driver (alternate version)"
+ depends on USB && EXPERIMENTAL && BT_HCIUSB=n
+ help
+ Bluetooth HCI USB driver.
+ This driver is required if you want to use Bluetooth devices with
+ USB interface.
+
+ This driver is still experimental and has no SCO support.
+
+ Say Y here to compile support for Bluetooth USB devices into the
+ kernel or say M to compile it as module (btusb).
+
+config BT_HCIBTSDIO
+ tristate "HCI SDIO driver"
+ depends on MMC
+ help
+ Bluetooth HCI SDIO driver.
+ This driver is required if you want to use Bluetooth device with
+ SDIO interface.
+
+ Say Y here to compile support for Bluetooth SDIO devices into the
+ kernel or say M to compile it as module (btsdio).
+
config BT_HCIUART
tristate "HCI UART driver"
help
@@ -55,6 +79,17 @@ config BT_HCIUART_BCSP
Say Y here to compile support for HCI BCSP protocol.
+config BT_HCIUART_LL
+ bool "HCILL protocol support"
+ depends on BT_HCIUART
+ help
+ HCILL (HCI Low Level) is a serial protocol for communication
+ between Bluetooth device and host. This protocol is required for
+ serial Bluetooth devices that are based on Texas Instruments'
+ BRF chips.
+
+ Say Y here to compile support for HCILL protocol.
+
config BT_HCIBCM203X
tristate "HCI BCM203x USB driver"
depends on USB
diff --git a/drivers/bluetooth/Makefile b/drivers/bluetooth/Makefile
index 08c10e178e0..77444afbf10 100644
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -13,7 +13,11 @@ obj-$(CONFIG_BT_HCIBT3C) += bt3c_cs.o
obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o
obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o
+obj-$(CONFIG_BT_HCIBTUSB) += btusb.o
+obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o
+
hci_uart-y := hci_ldisc.o
hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o
hci_uart-$(CONFIG_BT_HCIUART_BCSP) += hci_bcsp.o
+hci_uart-$(CONFIG_BT_HCIUART_LL) += hci_ll.o
hci_uart-objs := $(hci_uart-y)
diff --git a/drivers/bluetooth/bluecard_cs.c b/drivers/bluetooth/bluecard_cs.c
index 851de4d5b7d..bcf57927b7a 100644
--- a/drivers/bluetooth/bluecard_cs.c
+++ b/drivers/bluetooth/bluecard_cs.c
@@ -503,10 +503,7 @@ static irqreturn_t bluecard_interrupt(int irq, void *dev_inst)
unsigned int iobase;
unsigned char reg;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
- return IRQ_NONE;
- }
+ BUG_ON(!info->hdev);
if (!test_bit(CARD_READY, &(info->hw_state)))
return IRQ_HANDLED;
diff --git a/drivers/bluetooth/bpa10x.c b/drivers/bluetooth/bpa10x.c
index e8ebd5d3de8..1375b5345a0 100644
--- a/drivers/bluetooth/bpa10x.c
+++ b/drivers/bluetooth/bpa10x.c
@@ -2,7 +2,7 @@
*
* Digianswer Bluetooth USB driver
*
- * Copyright (C) 2004-2005 Marcel Holtmann <marcel@holtmann.org>
+ * Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
@@ -21,13 +21,14 @@
*
*/
-#include <linux/module.h>
-
#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
+#include <linux/sched.h>
#include <linux/errno.h>
+#include <linux/skbuff.h>
#include <linux/usb.h>
@@ -39,7 +40,7 @@
#define BT_DBG(D...)
#endif
-#define VERSION "0.8"
+#define VERSION "0.9"
static int ignore = 0;
@@ -52,393 +53,285 @@ static struct usb_device_id bpa10x_table[] = {
MODULE_DEVICE_TABLE(usb, bpa10x_table);
-#define BPA10X_CMD_EP 0x00
-#define BPA10X_EVT_EP 0x81
-#define BPA10X_TX_EP 0x02
-#define BPA10X_RX_EP 0x82
-
-#define BPA10X_CMD_BUF_SIZE 252
-#define BPA10X_EVT_BUF_SIZE 16
-#define BPA10X_TX_BUF_SIZE 384
-#define BPA10X_RX_BUF_SIZE 384
-
struct bpa10x_data {
- struct hci_dev *hdev;
- struct usb_device *udev;
+ struct hci_dev *hdev;
+ struct usb_device *udev;
- rwlock_t lock;
+ struct usb_anchor tx_anchor;
+ struct usb_anchor rx_anchor;
- struct sk_buff_head cmd_queue;
- struct urb *cmd_urb;
- struct urb *evt_urb;
- struct sk_buff *evt_skb;
- unsigned int evt_len;
-
- struct sk_buff_head tx_queue;
- struct urb *tx_urb;
- struct urb *rx_urb;
+ struct sk_buff *rx_skb[2];
};
-#define HCI_VENDOR_HDR_SIZE 5
+#define HCI_VENDOR_HDR_SIZE 5
struct hci_vendor_hdr {
- __u8 type;
- __le16 snum;
- __le16 dlen;
+ __u8 type;
+ __le16 snum;
+ __le16 dlen;
} __attribute__ ((packed));
-static void bpa10x_recv_bulk(struct bpa10x_data *data, unsigned char *buf, int count)
+static int bpa10x_recv(struct hci_dev *hdev, int queue, void *buf, int count)
{
- struct hci_acl_hdr *ah;
- struct hci_sco_hdr *sh;
- struct hci_vendor_hdr *vh;
- struct sk_buff *skb;
- int len;
+ struct bpa10x_data *data = hdev->driver_data;
+
+ 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) {
- switch (*buf++) {
- case HCI_ACLDATA_PKT:
- ah = (struct hci_acl_hdr *) buf;
- len = HCI_ACL_HDR_SIZE + __le16_to_cpu(ah->dlen);
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (skb) {
- memcpy(skb_put(skb, len), buf, len);
- skb->dev = (void *) data->hdev;
- bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
- hci_recv_frame(skb);
- }
- break;
+ struct sk_buff *skb = data->rx_skb[queue];
+ struct { __u8 type; int expect; } *scb;
+ int type, len = 0;
- case HCI_SCODATA_PKT:
- sh = (struct hci_sco_hdr *) buf;
- len = HCI_SCO_HDR_SIZE + sh->dlen;
- skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (skb) {
- memcpy(skb_put(skb, len), buf, len);
- skb->dev = (void *) data->hdev;
- bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
- hci_recv_frame(skb);
+ 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;
}
- break;
- case HCI_VENDOR_PKT:
- vh = (struct hci_vendor_hdr *) buf;
- len = HCI_VENDOR_HDR_SIZE + __le16_to_cpu(vh->dlen);
skb = bt_skb_alloc(len, GFP_ATOMIC);
- if (skb) {
- memcpy(skb_put(skb, len), buf, len);
- skb->dev = (void *) data->hdev;
- bt_cb(skb)->pkt_type = HCI_VENDOR_PKT;
- hci_recv_frame(skb);
+ if (!skb) {
+ BT_ERR("%s no memory for packet", hdev->name);
+ return -ENOMEM;
}
- break;
-
- default:
- len = count - 1;
- break;
- }
- buf += len;
- count -= (len + 1);
- }
-}
-
-static int bpa10x_recv_event(struct bpa10x_data *data, unsigned char *buf, int size)
-{
- BT_DBG("data %p buf %p size %d", data, buf, size);
+ skb->dev = (void *) hdev;
- if (data->evt_skb) {
- struct sk_buff *skb = data->evt_skb;
+ data->rx_skb[queue] = skb;
- memcpy(skb_put(skb, size), buf, size);
+ scb = (void *) skb->cb;
+ scb->type = type;
+ scb->expect = len;
+ } else {
+ /* Continuation */
- if (skb->len == data->evt_len) {
- data->evt_skb = NULL;
- data->evt_len = 0;
- hci_recv_frame(skb);
- }
- } else {
- struct sk_buff *skb;
- struct hci_event_hdr *hdr;
- unsigned char pkt_type;
- int pkt_len = 0;
-
- if (size < HCI_EVENT_HDR_SIZE + 1) {
- BT_ERR("%s event packet block with size %d is too short",
- data->hdev->name, size);
- return -EILSEQ;
+ scb = (void *) skb->cb;
+ len = scb->expect;
}
- pkt_type = *buf++;
- size--;
-
- if (pkt_type != HCI_EVENT_PKT) {
- BT_ERR("%s unexpected event packet start byte 0x%02x",
- data->hdev->name, pkt_type);
- return -EPROTO;
- }
+ len = min(len, count);
- hdr = (struct hci_event_hdr *) buf;
- pkt_len = HCI_EVENT_HDR_SIZE + hdr->plen;
+ memcpy(skb_put(skb, len), buf, len);
- skb = bt_skb_alloc(pkt_len, GFP_ATOMIC);
- if (!skb) {
- BT_ERR("%s no memory for new event packet",
- data->hdev->name);
- return -ENOMEM;
- }
+ scb->expect -= len;
- skb->dev = (void *) data->hdev;
- bt_cb(skb)->pkt_type = pkt_type;
+ if (scb->expect == 0) {
+ /* Complete frame */
- memcpy(skb_put(skb, size), buf, size);
+ data->rx_skb[queue] = NULL;
- if (pkt_len == size) {
+ bt_cb(skb)->pkt_type = scb->type;
hci_recv_frame(skb);
- } else {
- data->evt_skb = skb;
- data->evt_len = pkt_len;
}
+
+ count -= len; buf += len;
}
return 0;
}
-static void bpa10x_wakeup(struct bpa10x_data *data)
+static void bpa10x_tx_complete(struct urb *urb)
{
- struct urb *urb;
- struct sk_buff *skb;
- int err;
+ struct sk_buff *skb = urb->context;
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
- BT_DBG("data %p", data);
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
- urb = data->cmd_urb;
- if (urb->status == -EINPROGRESS)
- skb = NULL;
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ if (!urb->status)
+ hdev->stat.byte_tx += urb->transfer_buffer_length;
else
- skb = skb_dequeue(&data->cmd_queue);
+ hdev->stat.err_tx++;
- if (skb) {
- struct usb_ctrlrequest *cr;
+done:
+ kfree(urb->setup_packet);
- if (skb->len > BPA10X_CMD_BUF_SIZE) {
- BT_ERR("%s command packet with size %d is too big",
- data->hdev->name, skb->len);
- kfree_skb(skb);
- return;
- }
+ kfree_skb(skb);
+}
+
+static void bpa10x_rx_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct bpa10x_data *data = hdev->driver_data;
+ int err;
- cr = (struct usb_ctrlrequest *) urb->setup_packet;
- cr->wLength = __cpu_to_le16(skb->len);
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
- skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
- urb->transfer_buffer_length = skb->len;
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err < 0 && err != -ENODEV) {
- BT_ERR("%s submit failed for command urb %p with error %d",
- data->hdev->name, urb, err);
- skb_queue_head(&data->cmd_queue, skb);
- } else
- kfree_skb(skb);
+ if (urb->status == 0) {
+ if (bpa10x_recv(hdev, usb_pipebulk(urb->pipe),
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ BT_ERR("%s corrupted event packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
}
- urb = data->tx_urb;
- if (urb->status == -EINPROGRESS)
- skb = NULL;
- else
- skb = skb_dequeue(&data->tx_queue);
-
- if (skb) {
- skb_copy_from_linear_data(skb, urb->transfer_buffer, skb->len);
- urb->transfer_buffer_length = skb->len;
-
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err < 0 && err != -ENODEV) {
- BT_ERR("%s submit failed for command urb %p with error %d",
- data->hdev->name, urb, err);
- skb_queue_head(&data->tx_queue, skb);
- } else
- kfree_skb(skb);
+ usb_anchor_urb(urb, &data->rx_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
}
}
-static void bpa10x_complete(struct urb *urb)
+static inline int bpa10x_submit_intr_urb(struct hci_dev *hdev)
{
- struct bpa10x_data *data = urb->context;
- unsigned char *buf = urb->transfer_buffer;
- int err, count = urb->actual_length;
+ struct bpa10x_data *data = hdev->driver_data;
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size = 16;
- BT_DBG("data %p urb %p buf %p count %d", data, urb, buf, count);
+ BT_DBG("%s", hdev->name);
- read_lock(&data->lock);
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return -ENOMEM;
- if (!test_bit(HCI_RUNNING, &data->hdev->flags))
- goto unlock;
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
- if (urb->status < 0 || !count)
- goto resubmit;
+ pipe = usb_rcvintpipe(data->udev, 0x81);
- if (usb_pipein(urb->pipe)) {
- data->hdev->stat.byte_rx += count;
+ usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+ bpa10x_rx_complete, hdev, 1);
- if (usb_pipetype(urb->pipe) == PIPE_INTERRUPT)
- bpa10x_recv_event(data, buf, count);
+ urb->transfer_flags |= URB_FREE_BUFFER;
- if (usb_pipetype(urb->pipe) == PIPE_BULK)
- bpa10x_recv_bulk(data, buf, count);
- } else {
- data->hdev->stat.byte_tx += count;
+ usb_anchor_urb(urb, &data->rx_anchor);
- bpa10x_wakeup(data);
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ kfree(buf);
}
-resubmit:
- if (usb_pipein(urb->pipe)) {
- err = usb_submit_urb(urb, GFP_ATOMIC);
- if (err < 0 && err != -ENODEV) {
- BT_ERR("%s urb %p type %d resubmit status %d",
- data->hdev->name, urb, usb_pipetype(urb->pipe), err);
- }
- }
+ usb_free_urb(urb);
-unlock:
- read_unlock(&data->lock);
+ return err;
}
-static inline struct urb *bpa10x_alloc_urb(struct usb_device *udev, unsigned int pipe,
- size_t size, gfp_t flags, void *data)
+static inline int bpa10x_submit_bulk_urb(struct hci_dev *hdev)
{
+ struct bpa10x_data *data = hdev->driver_data;
struct urb *urb;
- struct usb_ctrlrequest *cr;
unsigned char *buf;
+ unsigned int pipe;
+ int err, size = 64;
- BT_DBG("udev %p data %p", udev, data);
+ BT_DBG("%s", hdev->name);
- urb = usb_alloc_urb(0, flags);
+ urb = usb_alloc_urb(0, GFP_KERNEL);
if (!urb)
- return NULL;
+ return -ENOMEM;
- buf = kmalloc(size, flags);
+ buf = kmalloc(size, GFP_KERNEL);
if (!buf) {
usb_free_urb(urb);
- return NULL;
+ return -ENOMEM;
}
- switch (usb_pipetype(pipe)) {
- case PIPE_CONTROL:
- cr = kmalloc(sizeof(*cr), flags);
- if (!cr) {
- kfree(buf);
- usb_free_urb(urb);
- return NULL;
- }
+ pipe = usb_rcvbulkpipe(data->udev, 0x82);
- cr->bRequestType = USB_TYPE_VENDOR;
- cr->bRequest = 0;
- cr->wIndex = 0;
- cr->wValue = 0;
- cr->wLength = __cpu_to_le16(0);
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ buf, size, bpa10x_rx_complete, hdev);
- usb_fill_control_urb(urb, udev, pipe, (void *) cr, buf, 0, bpa10x_complete, data);
- break;
+ urb->transfer_flags |= URB_FREE_BUFFER;
- case PIPE_INTERRUPT:
- usb_fill_int_urb(urb, udev, pipe, buf, size, bpa10x_complete, data, 1);
- break;
+ usb_anchor_urb(urb, &data->rx_anchor);
- case PIPE_BULK:
- usb_fill_bulk_urb(urb, udev, pipe, buf, size, bpa10x_complete, data);
- break;
-
- default:
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
kfree(buf);
- usb_free_urb(urb);
- return NULL;
}
- return urb;
-}
-
-static inline void bpa10x_free_urb(struct urb *urb)
-{
- BT_DBG("urb %p", urb);
-
- if (!urb)
- return;
-
- kfree(urb->setup_packet);
- kfree(urb->transfer_buffer);
-
usb_free_urb(urb);
+
+ return err;
}
static int bpa10x_open(struct hci_dev *hdev)
{
struct bpa10x_data *data = hdev->driver_data;
- struct usb_device *udev = data->udev;
- unsigned long flags;
int err;
- BT_DBG("hdev %p data %p", hdev, data);
+ BT_DBG("%s", hdev->name);
if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
return 0;
- data->cmd_urb = bpa10x_alloc_urb(udev, usb_sndctrlpipe(udev, BPA10X_CMD_EP),
- BPA10X_CMD_BUF_SIZE, GFP_KERNEL, data);
- if (!data->cmd_urb) {
- err = -ENOMEM;
- goto done;
- }
-
- data->evt_urb = bpa10x_alloc_urb(udev, usb_rcvintpipe(udev, BPA10X_EVT_EP),
- BPA10X_EVT_BUF_SIZE, GFP_KERNEL, data);
- if (!data->evt_urb) {
- bpa10x_free_urb(data->cmd_urb);
- err = -ENOMEM;
- goto done;
- }
-
- data->rx_urb = bpa10x_alloc_urb(udev, usb_rcvbulkpipe(udev, BPA10X_RX_EP),
- BPA10X_RX_BUF_SIZE, GFP_KERNEL, data);
- if (!data->rx_urb) {
- bpa10x_free_urb(data->evt_urb);
- bpa10x_free_urb(data->cmd_urb);
- err = -ENOMEM;
- goto done;
- }
-
- data->tx_urb = bpa10x_alloc_urb(udev, usb_sndbulkpipe(udev, BPA10X_TX_EP),
- BPA10X_TX_BUF_SIZE, GFP_KERNEL, data);
- if (!data->rx_urb) {
- bpa10x_free_urb(data->rx_urb);
- bpa10x_free_urb(data->evt_urb);
- bpa10x_free_urb(data->cmd_urb);
- err = -ENOMEM;
- goto done;
- }
+ err = bpa10x_submit_intr_urb(hdev);
+ if (err < 0)
+ goto error;
- write_lock_irqsave(&data->lock, flags);
+ err = bpa10x_submit_bulk_urb(hdev);
+ if (err < 0)
+ goto error;
- err = usb_submit_urb(data->evt_urb, GFP_ATOMIC);
- if (err < 0) {
- BT_ERR("%s submit failed for event urb %p with error %d",
- data->hdev->name, data->evt_urb, err);
- } else {
- err = usb_submit_urb(data->rx_urb, GFP_ATOMIC);
- if (err < 0) {
- BT_ERR("%s submit failed for rx urb %p with error %d",
- data->hdev->name, data->evt_urb, err);
- usb_kill_urb(data->evt_urb);
- }
- }
+ return 0;
- write_unlock_irqrestore(&data->lock, flags);
+error:
+ usb_kill_anchored_urbs(&data->rx_anchor);
-done:
- if (err < 0)
- clear_bit(HCI_RUNNING, &hdev->flags);
+ clear_bit(HCI_RUNNING, &hdev->flags);
return err;
}
@@ -446,27 +339,13 @@ done:
static int bpa10x_close(struct hci_dev *hdev)
{
struct bpa10x_data *data = hdev->driver_data;
- unsigned long flags;
- BT_DBG("hdev %p data %p", hdev, data);
+ BT_DBG("%s", hdev->name);
if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
return 0;
- write_lock_irqsave(&data->lock, flags);
-
- skb_queue_purge(&data->cmd_queue);
- usb_kill_urb(data->cmd_urb);
- usb_kill_urb(data->evt_urb);
- usb_kill_urb(data->rx_urb);
- usb_kill_urb(data->tx_urb);
-
- write_unlock_irqrestore(&data->lock, flags);
-
- bpa10x_free_urb(data->cmd_urb);
- bpa10x_free_urb(data->evt_urb);
- bpa10x_free_urb(data->rx_urb);
- bpa10x_free_urb(data->tx_urb);
+ usb_kill_anchored_urbs(&data->rx_anchor);
return 0;
}
@@ -475,9 +354,9 @@ static int bpa10x_flush(struct hci_dev *hdev)
{
struct bpa10x_data *data = hdev->driver_data;
- BT_DBG("hdev %p data %p", hdev, data);
+ BT_DBG("%s", hdev->name);
- skb_queue_purge(&data->cmd_queue);
+ usb_kill_anchored_urbs(&data->tx_anchor);
return 0;
}
@@ -485,45 +364,78 @@ static int bpa10x_flush(struct hci_dev *hdev)
static int bpa10x_send_frame(struct sk_buff *skb)
{
struct hci_dev *hdev = (struct hci_dev *) skb->dev;
- struct bpa10x_data *data;
-
- BT_DBG("hdev %p skb %p type %d len %d", hdev, skb, bt_cb(skb)->pkt_type, skb->len);
+ struct bpa10x_data *data = hdev->driver_data;
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+ unsigned int pipe;
+ int err;
- if (!hdev) {
- BT_ERR("Frame for unknown HCI device");
- return -ENODEV;
- }
+ BT_DBG("%s", hdev->name);
if (!test_bit(HCI_RUNNING, &hdev->flags))
return -EBUSY;
- data = hdev->driver_data;
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
/* Prepend skb with frame type */
- memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+ *skb_push(skb, 1) = bt_cb(skb)->pkt_type;
switch (bt_cb(skb)->pkt_type) {
case HCI_COMMAND_PKT:
+ dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+ if (!dr) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ dr->bRequestType = USB_TYPE_VENDOR;
+ dr->bRequest = 0;
+ dr->wIndex = 0;
+ dr->wValue = 0;
+ dr->wLength = __cpu_to_le16(skb->len);
+
+ pipe = usb_sndctrlpipe(data->udev, 0x00);
+
+ usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+ skb->data, skb->len, bpa10x_tx_complete, skb);
+
hdev->stat.cmd_tx++;
- skb_queue_tail(&data->cmd_queue, skb);
break;
case HCI_ACLDATA_PKT:
+ pipe = usb_sndbulkpipe(data->udev, 0x02);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, bpa10x_tx_complete, skb);
+
hdev->stat.acl_tx++;
- skb_queue_tail(&data->tx_queue, skb);
break;
case HCI_SCODATA_PKT:
+ pipe = usb_sndbulkpipe(data->udev, 0x02);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, bpa10x_tx_complete, skb);
+
hdev->stat.sco_tx++;
- skb_queue_tail(&data->tx_queue, skb);
break;
- };
- read_lock(&data->lock);
+ default:
+ return -EILSEQ;
+ }
+
+ usb_anchor_urb(urb, &data->tx_anchor);
- bpa10x_wakeup(data);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed", hdev->name, urb);
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ }
- read_unlock(&data->lock);
+ usb_free_urb(urb);
return 0;
}
@@ -532,16 +444,17 @@ static void bpa10x_destruct(struct hci_dev *hdev)
{
struct bpa10x_data *data = hdev->driver_data;
- BT_DBG("hdev %p data %p", hdev, data);
+ BT_DBG("%s", hdev->name);
+ kfree(data->rx_skb[0]);
+ kfree(data->rx_skb[1]);
kfree(data);
}
static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
- struct usb_device *udev = interface_to_usbdev(intf);
- struct hci_dev *hdev;
struct bpa10x_data *data;
+ struct hci_dev *hdev;
int err;
BT_DBG("intf %p id %p", intf, id);
@@ -549,48 +462,43 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
if (ignore)
return -ENODEV;
- if (intf->cur_altsetting->desc.bInterfaceNumber > 0)
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
return -ENODEV;
data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data) {
- BT_ERR("Can't allocate data structure");
+ if (!data)
return -ENOMEM;
- }
-
- data->udev = udev;
- rwlock_init(&data->lock);
+ data->udev = interface_to_usbdev(intf);
- skb_queue_head_init(&data->cmd_queue);
- skb_queue_head_init(&data->tx_queue);
+ init_usb_anchor(&data->tx_anchor);
+ init_usb_anchor(&data->rx_anchor);
hdev = hci_alloc_dev();
if (!hdev) {
- BT_ERR("Can't allocate HCI device");
kfree(data);
return -ENOMEM;
}
- data->hdev = hdev;
-
hdev->type = HCI_USB;
hdev->driver_data = data;
+
+ data->hdev = hdev;
+
SET_HCIDEV_DEV(hdev, &intf->dev);
- hdev->open = bpa10x_open;
- hdev->close = bpa10x_close;
- hdev->flush = bpa10x_flush;
- hdev->send = bpa10x_send_frame;
- hdev->destruct = bpa10x_destruct;
+ hdev->open = bpa10x_open;
+ hdev->close = bpa10x_close;
+ hdev->flush = bpa10x_flush;
+ hdev->send = bpa10x_send_frame;
+ hdev->destruct = bpa10x_destruct;
hdev->owner = THIS_MODULE;
err = hci_register_dev(hdev);
if (err < 0) {
- BT_ERR("Can't register HCI device");
- kfree(data);
hci_free_dev(hdev);
+ kfree(data);
return err;
}
@@ -602,19 +510,17 @@ static int bpa10x_probe(struct usb_interface *intf, const struct usb_device_id *
static void bpa10x_disconnect(struct usb_interface *intf)
{
struct bpa10x_data *data = usb_get_intfdata(intf);
- struct hci_dev *hdev = data->hdev;
BT_DBG("intf %p", intf);
- if (!hdev)
+ if (!data)
return;
usb_set_intfdata(intf, NULL);
- if (hci_unregister_dev(hdev) < 0)
- BT_ERR("Can't unregister HCI device %s", hdev->name);
+ hci_unregister_dev(data->hdev);
- hci_free_dev(hdev);
+ hci_free_dev(data->hdev);
}
static struct usb_driver bpa10x_driver = {
@@ -626,15 +532,9 @@ static struct usb_driver bpa10x_driver = {
static int __init bpa10x_init(void)
{
- int err;
-
BT_INFO("Digianswer Bluetooth USB driver ver %s", VERSION);
- err = usb_register(&bpa10x_driver);
- if (err < 0)
- BT_ERR("Failed to register USB driver");
-
- return err;
+ return usb_register(&bpa10x_driver);
}
static void __exit bpa10x_exit(void)
diff --git a/drivers/bluetooth/bt3c_cs.c b/drivers/bluetooth/bt3c_cs.c
index 39516074636..a18f9b8c9e1 100644
--- a/drivers/bluetooth/bt3c_cs.c
+++ b/drivers/bluetooth/bt3c_cs.c
@@ -344,10 +344,7 @@ static irqreturn_t bt3c_interrupt(int irq, void *dev_inst)
unsigned int iobase;
int iir;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
- return IRQ_NONE;
- }
+ BUG_ON(!info->hdev);
iobase = info->p_dev->io.BasePort1;
diff --git a/drivers/bluetooth/btsdio.c b/drivers/bluetooth/btsdio.c
new file mode 100644
index 00000000000..b786f618790
--- /dev/null
+++ b/drivers/bluetooth/btsdio.c
@@ -0,0 +1,406 @@
+/*
+ *
+ * Generic Bluetooth SDIO driver
+ *
+ * Copyright (C) 2007 Cambridge Silicon Radio Ltd.
+ * Copyright (C) 2007 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+
+#include <linux/mmc/sdio_ids.h>
+#include <linux/mmc/sdio_func.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#ifndef CONFIG_BT_HCIBTSDIO_DEBUG
+#undef BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "0.1"
+
+static const struct sdio_device_id btsdio_table[] = {
+ /* Generic Bluetooth Type-A SDIO device */
+ { SDIO_DEVICE_CLASS(SDIO_CLASS_BT_A) },
+
+ /* Generic Bluetooth Type-B SDIO device */
+ { SDIO_DEVICE_CLASS(SDIO_CLASS_BT_B) },
+
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(sdio, btsdio_table);
+
+struct btsdio_data {
+ struct hci_dev *hdev;
+ struct sdio_func *func;
+
+ struct work_struct work;
+
+ struct sk_buff_head txq;
+};
+
+#define REG_RDAT 0x00 /* Receiver Data */
+#define REG_TDAT 0x00 /* Transmitter Data */
+#define REG_PC_RRT 0x10 /* Read Packet Control */
+#define REG_PC_WRT 0x11 /* Write Packet Control */
+#define REG_RTC_STAT 0x12 /* Retry Control Status */
+#define REG_RTC_SET 0x12 /* Retry Control Set */
+#define REG_INTRD 0x13 /* Interrupt Indication */
+#define REG_CL_INTRD 0x13 /* Interrupt Clear */
+#define REG_EN_INTRD 0x14 /* Interrupt Enable */
+#define REG_MD_STAT 0x20 /* Bluetooth Mode Status */
+
+static int btsdio_tx_packet(struct btsdio_data *data, struct sk_buff *skb)
+{
+ int err;
+
+ BT_DBG("%s", data->hdev->name);
+
+ /* Prepend Type-A header */
+ skb_push(skb, 4);
+ skb->data[0] = (skb->len & 0x0000ff);
+ skb->data[1] = (skb->len & 0x00ff00) >> 8;
+ skb->data[2] = (skb->len & 0xff0000) >> 16;
+ skb->data[3] = bt_cb(skb)->pkt_type;
+
+ err = sdio_writesb(data->func, REG_TDAT, skb->data, skb->len);
+ if (err < 0) {
+ sdio_writeb(data->func, 0x01, REG_PC_WRT, NULL);
+ return err;
+ }
+
+ data->hdev->stat.byte_tx += skb->len;
+
+ kfree_skb(skb);
+
+ return 0;
+}
+
+static void btsdio_work(struct work_struct *work)
+{
+ struct btsdio_data *data = container_of(work, struct btsdio_data, work);
+ struct sk_buff *skb;
+ int err;
+
+ BT_DBG("%s", data->hdev->name);
+
+ sdio_claim_host(data->func);
+
+ while ((skb = skb_dequeue(&data->txq))) {
+ err = btsdio_tx_packet(data, skb);
+ if (err < 0) {
+ data->hdev->stat.err_tx++;
+ skb_queue_head(&data->txq, skb);
+ break;
+ }
+ }
+
+ sdio_release_host(data->func);
+}
+
+static int btsdio_rx_packet(struct btsdio_data *data)
+{
+ u8 hdr[4] __attribute__ ((aligned(4)));
+ struct sk_buff *skb;
+ int err, len;
+
+ BT_DBG("%s", data->hdev->name);
+
+ err = sdio_readsb(data->func, hdr, REG_RDAT, 4);
+ if (err < 0)
+ return err;
+
+ len = hdr[0] | (hdr[1] << 8) | (hdr[2] << 16);
+ if (len < 4 || len > 65543)
+ return -EILSEQ;
+
+ skb = bt_skb_alloc(len - 4, GFP_KERNEL);
+ if (!skb) {
+ /* Out of memory. Prepare a read retry and just
+ * return with the expectation that the next time
+ * we're called we'll have more memory. */
+ return -ENOMEM;
+ }
+
+ skb_put(skb, len - 4);
+
+ err = sdio_readsb(data->func, skb->data, REG_RDAT, len - 4);
+ if (err < 0) {
+ kfree(skb);
+ return err;
+ }
+
+ data->hdev->stat.byte_rx += len;
+
+ skb->dev = (void *) data->hdev;
+ bt_cb(skb)->pkt_type = hdr[3];
+
+ err = hci_recv_frame(skb);
+ if (err < 0) {
+ kfree(skb);
+ return err;
+ }
+
+ sdio_writeb(data->func, 0x00, REG_PC_RRT, NULL);
+
+ return 0;
+}
+
+static void btsdio_interrupt(struct sdio_func *func)
+{
+ struct btsdio_data *data = sdio_get_drvdata(func);
+ int intrd;
+
+ BT_DBG("%s", data->hdev->name);
+
+ intrd = sdio_readb(func, REG_INTRD, NULL);
+ if (intrd & 0x01) {
+ sdio_writeb(func, 0x01, REG_CL_INTRD, NULL);
+
+ if (btsdio_rx_packet(data) < 0) {
+ data->hdev->stat.err_rx++;
+ sdio_writeb(data->func, 0x01, REG_PC_RRT, NULL);
+ }
+ }
+}
+
+static int btsdio_open(struct hci_dev *hdev)
+{
+ struct btsdio_data *data = hdev->driver_data;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+ return 0;
+
+ sdio_claim_host(data->func);
+
+ err = sdio_enable_func(data->func);
+ if (err < 0) {
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ goto release;
+ }
+
+ err = sdio_claim_irq(data->func, btsdio_interrupt);
+ if (err < 0) {
+ sdio_disable_func(data->func);
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ goto release;
+ }
+
+ if (data->func->class == SDIO_CLASS_BT_B)
+ sdio_writeb(data->func, 0x00, REG_MD_STAT, NULL);
+
+ sdio_writeb(data->func, 0x01, REG_EN_INTRD, NULL);
+
+release:
+ sdio_release_host(data->func);
+
+ return err;
+}
+
+static int btsdio_close(struct hci_dev *hdev)
+{
+ struct btsdio_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+ return 0;
+
+ sdio_claim_host(data->func);
+
+ sdio_writeb(data->func, 0x00, REG_EN_INTRD, NULL);
+
+ sdio_release_irq(data->func);
+ sdio_disable_func(data->func);
+
+ sdio_release_host(data->func);
+
+ return 0;
+}
+
+static int btsdio_flush(struct hci_dev *hdev)
+{
+ struct btsdio_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ skb_queue_purge(&data->txq);
+
+ return 0;
+}
+
+static int btsdio_send_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ struct btsdio_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -EBUSY;
+
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ hdev->stat.cmd_tx++;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ hdev->stat.acl_tx++;
+ break;
+
+ case HCI_SCODATA_PKT:
+ hdev->stat.sco_tx++;
+ break;
+
+ default:
+ return -EILSEQ;
+ }
+
+ skb_queue_tail(&data->txq, skb);
+
+ schedule_work(&data->work);
+
+ return 0;
+}
+
+static void btsdio_destruct(struct hci_dev *hdev)
+{
+ struct btsdio_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ kfree(data);
+}
+
+static int btsdio_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ struct btsdio_data *data;
+ struct hci_dev *hdev;
+ struct sdio_func_tuple *tuple = func->tuples;
+ int err;
+
+ BT_DBG("func %p id %p class 0x%04x", func, id, func->class);
+
+ while (tuple) {
+ BT_DBG("code 0x%x size %d", tuple->code, tuple->size);
+ tuple = tuple->next;
+ }
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->func = func;
+
+ INIT_WORK(&data->work, btsdio_work);
+
+ skb_queue_head_init(&data->txq);
+
+ hdev = hci_alloc_dev();
+ if (!hdev) {
+ kfree(data);
+ return -ENOMEM;
+ }
+
+ hdev->type = HCI_SDIO;
+ hdev->driver_data = data;
+
+ data->hdev = hdev;
+
+ SET_HCIDEV_DEV(hdev, &func->dev);
+
+ hdev->open = btsdio_open;
+ hdev->close = btsdio_close;
+ hdev->flush = btsdio_flush;
+ hdev->send = btsdio_send_frame;
+ hdev->destruct = btsdio_destruct;
+
+ hdev->owner = THIS_MODULE;
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ kfree(data);
+ return err;
+ }
+
+ sdio_set_drvdata(func, data);
+
+ return 0;
+}
+
+static void btsdio_remove(struct sdio_func *func)
+{
+ struct btsdio_data *data = sdio_get_drvdata(func);
+ struct hci_dev *hdev;
+
+ BT_DBG("func %p", func);
+
+ if (!data)
+ return;
+
+ hdev = data->hdev;
+
+ sdio_set_drvdata(func, NULL);
+
+ hci_unregister_dev(hdev);
+
+ hci_free_dev(hdev);
+}
+
+static struct sdio_driver btsdio_driver = {
+ .name = "btsdio",
+ .probe = btsdio_probe,
+ .remove = btsdio_remove,
+ .id_table = btsdio_table,
+};
+
+static int __init btsdio_init(void)
+{
+ BT_INFO("Generic Bluetooth SDIO driver ver %s", VERSION);
+
+ return sdio_register_driver(&btsdio_driver);
+}
+
+static void __exit btsdio_exit(void)
+{
+ sdio_unregister_driver(&btsdio_driver);
+}
+
+module_init(btsdio_init);
+module_exit(btsdio_exit);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Generic Bluetooth SDIO driver ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/btuart_cs.c b/drivers/bluetooth/btuart_cs.c
index d7d2ea0d86a..08f48d577ab 100644
--- a/drivers/bluetooth/btuart_cs.c
+++ b/drivers/bluetooth/btuart_cs.c
@@ -294,10 +294,7 @@ static irqreturn_t btuart_interrupt(int irq, void *dev_inst)
int boguscount = 0;
int iir, lsr;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
- return IRQ_NONE;
- }
+ BUG_ON(!info->hdev);
iobase = info->p_dev->io.BasePort1;
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
new file mode 100644
index 00000000000..12e108914f1
--- /dev/null
+++ b/drivers/bluetooth/btusb.c
@@ -0,0 +1,564 @@
+/*
+ *
+ * Generic Bluetooth USB driver
+ *
+ * Copyright (C) 2005-2007 Marcel Holtmann <marcel@holtmann.org>
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+
+#include <linux/usb.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+//#define CONFIG_BT_HCIBTUSB_DEBUG
+#ifndef CONFIG_BT_HCIBTUSB_DEBUG
+#undef BT_DBG
+#define BT_DBG(D...)
+#endif
+
+#define VERSION "0.1"
+
+static struct usb_device_id btusb_table[] = {
+ /* Generic Bluetooth USB device */
+ { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
+
+ { } /* Terminating entry */
+};
+
+MODULE_DEVICE_TABLE(usb, btusb_table);
+
+static struct usb_device_id blacklist_table[] = {
+ { } /* Terminating entry */
+};
+
+#define BTUSB_INTR_RUNNING 0
+#define BTUSB_BULK_RUNNING 1
+
+struct btusb_data {
+ struct hci_dev *hdev;
+ struct usb_device *udev;
+
+ spinlock_t lock;
+
+ unsigned long flags;
+
+ struct work_struct work;
+
+ struct usb_anchor tx_anchor;
+ struct usb_anchor intr_anchor;
+ struct usb_anchor bulk_anchor;
+
+ struct usb_endpoint_descriptor *intr_ep;
+ struct usb_endpoint_descriptor *bulk_tx_ep;
+ struct usb_endpoint_descriptor *bulk_rx_ep;
+};
+
+static void btusb_intr_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hdev->driver_data;
+ int err;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+ if (urb->status == 0) {
+ if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ BT_ERR("%s corrupted event packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
+ }
+
+ if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->intr_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static inline int btusb_submit_intr_urb(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size;
+
+ BT_DBG("%s", hdev->name);
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+
+ buf = kmalloc(size, GFP_ATOMIC);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
+
+ usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+ btusb_intr_complete, hdev,
+ data->intr_ep->bInterval);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_anchor_urb(urb, &data->intr_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ kfree(buf);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_bulk_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = hdev->driver_data;
+ int err;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+ if (urb->status == 0) {
+ if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ BT_ERR("%s corrupted ACL packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
+ }
+
+ if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->bulk_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static inline int btusb_submit_bulk_urb(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size;
+
+ BT_DBG("%s", hdev->name);
+
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ return -ENOMEM;
+
+ size = le16_to_cpu(data->bulk_rx_ep->wMaxPacketSize);
+
+ buf = kmalloc(size, GFP_KERNEL);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ buf, size, btusb_bulk_complete, hdev);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_anchor_urb(urb, &data->bulk_anchor);
+
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ kfree(buf);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_tx_complete(struct urb *urb)
+{
+ struct sk_buff *skb = urb->context;
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+
+ BT_DBG("%s urb %p status %d count %d", hdev->name,
+ urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ if (!urb->status)
+ hdev->stat.byte_tx += urb->transfer_buffer_length;
+ else
+ hdev->stat.err_tx++;
+
+done:
+ kfree(urb->setup_packet);
+
+ kfree_skb(skb);
+}
+
+static int btusb_open(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+ return 0;
+
+ if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
+ return 0;
+
+ err = btusb_submit_intr_urb(hdev);
+ if (err < 0) {
+ clear_bit(BTUSB_INTR_RUNNING, &hdev->flags);
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ }
+
+ return err;
+}
+
+static int btusb_close(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+ return 0;
+
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->bulk_anchor);
+
+ clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->intr_anchor);
+
+ return 0;
+}
+
+static int btusb_flush(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ usb_kill_anchored_urbs(&data->tx_anchor);
+
+ return 0;
+}
+
+static int btusb_send_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ struct btusb_data *data = hdev->driver_data;
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+ unsigned int pipe;
+ int err;
+
+ BT_DBG("%s", hdev->name);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -EBUSY;
+
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+ if (!dr) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ dr->bRequestType = USB_TYPE_CLASS;
+ dr->bRequest = 0;
+ dr->wIndex = 0;
+ dr->wValue = 0;
+ dr->wLength = __cpu_to_le16(skb->len);
+
+ pipe = usb_sndctrlpipe(data->udev, 0x00);
+
+ usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ hdev->stat.cmd_tx++;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ pipe = usb_sndbulkpipe(data->udev,
+ data->bulk_tx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ hdev->stat.acl_tx++;
+ break;
+
+ case HCI_SCODATA_PKT:
+ hdev->stat.sco_tx++;
+ kfree_skb(skb);
+ return 0;
+
+ default:
+ return -EILSEQ;
+ }
+
+ usb_anchor_urb(urb, &data->tx_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ BT_ERR("%s urb %p submission failed", hdev->name, urb);
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_destruct(struct hci_dev *hdev)
+{
+ struct btusb_data *data = hdev->driver_data;
+
+ BT_DBG("%s", hdev->name);
+
+ kfree(data);
+}
+
+static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
+{
+ struct btusb_data *data = hdev->driver_data;
+
+ BT_DBG("%s evt %d", hdev->name, evt);
+
+ if (evt == HCI_NOTIFY_CONN_ADD || evt == HCI_NOTIFY_CONN_DEL)
+ schedule_work(&data->work);
+}
+
+static void btusb_work(struct work_struct *work)
+{
+ struct btusb_data *data = container_of(work, struct btusb_data, work);
+ struct hci_dev *hdev = data->hdev;
+
+ if (hdev->conn_hash.acl_num == 0) {
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ usb_kill_anchored_urbs(&data->bulk_anchor);
+ return;
+ }
+
+ if (!test_and_set_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+ if (btusb_submit_bulk_urb(hdev) < 0)
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ else
+ btusb_submit_bulk_urb(hdev);
+ }
+}
+
+static int btusb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct usb_endpoint_descriptor *ep_desc;
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+ int i, err;
+
+ BT_DBG("intf %p id %p", intf, id);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return -ENODEV;
+
+ if (!id->driver_info) {
+ const struct usb_device_id *match;
+ match = usb_match_id(intf, blacklist_table);
+ if (match)
+ id = match;
+ }
+
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
+ data->intr_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+ data->bulk_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+ data->bulk_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
+ kfree(data);
+ return -ENODEV;
+ }
+
+ data->udev = interface_to_usbdev(intf);
+
+ spin_lock_init(&data->lock);
+
+ INIT_WORK(&data->work, btusb_work);
+
+ init_usb_anchor(&data->tx_anchor);
+ init_usb_anchor(&data->intr_anchor);
+ init_usb_anchor(&data->bulk_anchor);
+
+ hdev = hci_alloc_dev();
+ if (!hdev) {
+ kfree(data);
+ return -ENOMEM;
+ }
+
+ hdev->type = HCI_USB;
+ hdev->driver_data = data;
+
+ data->hdev = hdev;
+
+ SET_HCIDEV_DEV(hdev, &intf->dev);
+
+ hdev->open = btusb_open;
+ hdev->close = btusb_close;
+ hdev->flush = btusb_flush;
+ hdev->send = btusb_send_frame;
+ hdev->destruct = btusb_destruct;
+ hdev->notify = btusb_notify;
+
+ hdev->owner = THIS_MODULE;
+
+ set_bit(HCI_QUIRK_RESET_ON_INIT, &hdev->quirks);
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ kfree(data);
+ return err;
+ }
+
+ usb_set_intfdata(intf, data);
+
+ return 0;
+}
+
+static void btusb_disconnect(struct usb_interface *intf)
+{
+ struct btusb_data *data = usb_get_intfdata(intf);
+ struct hci_dev *hdev;
+
+ BT_DBG("intf %p", intf);
+
+ if (!data)
+ return;
+
+ hdev = data->hdev;
+
+ usb_set_intfdata(intf, NULL);
+
+ hci_unregister_dev(hdev);
+
+ hci_free_dev(hdev);
+}
+
+static struct usb_driver btusb_driver = {
+ .name = "btusb",
+ .probe = btusb_probe,
+ .disconnect = btusb_disconnect,
+ .id_table = btusb_table,
+};
+
+static int __init btusb_init(void)
+{
+ BT_INFO("Generic Bluetooth USB driver ver %s", VERSION);
+
+ return usb_register(&btusb_driver);
+}
+
+static void __exit btusb_exit(void)
+{
+ usb_deregister(&btusb_driver);
+}
+
+module_init(btusb_init);
+module_exit(btusb_exit);
+
+MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
+MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
diff --git a/drivers/bluetooth/dtl1_cs.c b/drivers/bluetooth/dtl1_cs.c
index 7f9c54b9964..dae45cdf02b 100644
--- a/drivers/bluetooth/dtl1_cs.c
+++ b/drivers/bluetooth/dtl1_cs.c
@@ -298,10 +298,7 @@ static irqreturn_t dtl1_interrupt(int irq, void *dev_inst)
int boguscount = 0;
int iir, lsr;
- if (!info || !info->hdev) {
- BT_ERR("Call of irq %d for unknown device", irq);
- return IRQ_NONE;
- }
+ BUG_ON(!info->hdev);
iobase = info->p_dev->io.BasePort1;
diff --git a/drivers/bluetooth/hci_bcsp.c b/drivers/bluetooth/hci_bcsp.c
index d66064ccb31..696f7528f02 100644
--- a/drivers/bluetooth/hci_bcsp.c
+++ b/drivers/bluetooth/hci_bcsp.c
@@ -237,7 +237,8 @@ static struct sk_buff *bcsp_prepare_pkt(struct bcsp_struct *bcsp, u8 *data,
if (hciextn && chan == 5) {
struct hci_command_hdr *hdr = (struct hci_command_hdr *) data;
- if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == OGF_VENDOR_CMD) {
+ /* Vendor specific commands */
+ if (hci_opcode_ogf(__le16_to_cpu(hdr->opcode)) == 0x3f) {
u8 desc = *(data + HCI_COMMAND_HDR_SIZE);
if ((desc & 0xf0) == 0xc0) {
data += HCI_COMMAND_HDR_SIZE + 1;
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 6055b9c0ac0..e68821d074b 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -549,7 +549,10 @@ static int __init hci_uart_init(void)
#ifdef CONFIG_BT_HCIUART_BCSP
bcsp_init();
#endif
-
+#ifdef CONFIG_BT_HCIUART_LL
+ ll_init();
+#endif
+
return 0;
}
@@ -563,6 +566,9 @@ static void __exit hci_uart_exit(void)
#ifdef CONFIG_BT_HCIUART_BCSP
bcsp_deinit();
#endif
+#ifdef CONFIG_BT_HCIUART_LL
+ ll_deinit();
+#endif
/* Release tty registration of line discipline */
if ((err = tty_unregister_ldisc(N_HCI)))
diff --git a/drivers/bluetooth/hci_ll.c b/drivers/bluetooth/hci_ll.c
new file mode 100644
index 00000000000..8c3e62a17b4
--- /dev/null
+++ b/drivers/bluetooth/hci_ll.c
@@ -0,0 +1,531 @@
+/*
+ * Texas Instruments' Bluetooth HCILL UART protocol
+ *
+ * HCILL (HCI Low Level) is a Texas Instruments' power management
+ * protocol extension to H4.
+ *
+ * Copyright (C) 2007 Texas Instruments, Inc.
+ *
+ * Written by Ohad Ben-Cohen <ohad@bencohen.org>
+ *
+ * Acknowledgements:
+ * This file is based on hci_h4.c, which was written
+ * by Maxim Krasnyansky and Marcel Holtmann.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+
+#include <linux/init.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/ptrace.h>
+#include <linux/poll.h>
+
+#include <linux/slab.h>
+#include <linux/tty.h>
+#include <linux/errno.h>
+#include <linux/string.h>
+#include <linux/signal.h>
+#include <linux/ioctl.h>
+#include <linux/skbuff.h>
+
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+
+#include "hci_uart.h"
+
+/* HCILL commands */
+#define HCILL_GO_TO_SLEEP_IND 0x30
+#define HCILL_GO_TO_SLEEP_ACK 0x31
+#define HCILL_WAKE_UP_IND 0x32
+#define HCILL_WAKE_UP_ACK 0x33
+
+/* HCILL receiver States */
+#define HCILL_W4_PACKET_TYPE 0
+#define HCILL_W4_EVENT_HDR 1
+#define HCILL_W4_ACL_HDR 2
+#define HCILL_W4_SCO_HDR 3
+#define HCILL_W4_DATA 4
+
+/* HCILL states */
+enum hcill_states_e {
+ HCILL_ASLEEP,
+ HCILL_ASLEEP_TO_AWAKE,
+ HCILL_AWAKE,
+ HCILL_AWAKE_TO_ASLEEP
+};
+
+struct hcill_cmd {
+ u8 cmd;
+} __attribute__((packed));
+
+struct ll_struct {
+ unsigned long rx_state;
+ unsigned long rx_count;
+ struct sk_buff *rx_skb;
+ struct sk_buff_head txq;
+ spinlock_t hcill_lock; /* HCILL state lock */
+ unsigned long hcill_state; /* HCILL power state */
+ struct sk_buff_head tx_wait_q; /* HCILL wait queue */
+};
+
+/*
+ * Builds and sends an HCILL command packet.
+ * These are very simple packets with only 1 cmd byte
+ */
+static int send_hcill_cmd(u8 cmd, struct hci_uart *hu)
+{
+ int err = 0;
+ struct sk_buff *skb = NULL;
+ struct ll_struct *ll = hu->priv;
+ struct hcill_cmd *hcill_packet;
+
+ BT_DBG("hu %p cmd 0x%x", hu, cmd);
+
+ /* allocate packet */
+ skb = bt_skb_alloc(1, GFP_ATOMIC);
+ if (!skb) {
+ BT_ERR("cannot allocate memory for HCILL packet");
+ err = -ENOMEM;
+ goto out;
+ }
+
+ /* prepare packet */
+ hcill_packet = (struct hcill_cmd *) skb_put(skb, 1);
+ hcill_packet->cmd = cmd;
+ skb->dev = (void *) hu->hdev;
+
+ /* send packet */
+ skb_queue_tail(&ll->txq, skb);
+out:
+ return err;
+}
+
+/* Initialize protocol */
+static int ll_open(struct hci_uart *hu)
+{
+ struct ll_struct *ll;
+
+ BT_DBG("hu %p", hu);
+
+ ll = kzalloc(sizeof(*ll), GFP_ATOMIC);
+ if (!ll)
+ return -ENOMEM;
+
+ skb_queue_head_init(&ll->txq);
+ skb_queue_head_init(&ll->tx_wait_q);
+ spin_lock_init(&ll->hcill_lock);
+
+ ll->hcill_state = HCILL_AWAKE;
+
+ hu->priv = ll;
+
+ return 0;
+}
+
+/* Flush protocol data */
+static int ll_flush(struct hci_uart *hu)
+{
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p", hu);
+
+ skb_queue_purge(&ll->tx_wait_q);
+ skb_queue_purge(&ll->txq);
+
+ return 0;
+}
+
+/* Close protocol */
+static int ll_close(struct hci_uart *hu)
+{
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p", hu);
+
+ skb_queue_purge(&ll->tx_wait_q);
+ skb_queue_purge(&ll->txq);
+
+ if (ll->rx_skb)
+ kfree_skb(ll->rx_skb);
+
+ hu->priv = NULL;
+
+ kfree(ll);
+
+ return 0;
+}
+
+/*
+ * internal function, which does common work of the device wake up process:
+ * 1. places all pending packets (waiting in tx_wait_q list) in txq list.
+ * 2. changes internal state to HCILL_AWAKE.
+ * Note: assumes that hcill_lock spinlock is taken,
+ * shouldn't be called otherwise!
+ */
+static void __ll_do_awake(struct ll_struct *ll)
+{
+ struct sk_buff *skb = NULL;
+
+ while ((skb = skb_dequeue(&ll->tx_wait_q)))
+ skb_queue_tail(&ll->txq, skb);
+
+ ll->hcill_state = HCILL_AWAKE;
+}
+
+/*
+ * Called upon a wake-up-indication from the device
+ */
+static void ll_device_want_to_wakeup(struct hci_uart *hu)
+{
+ unsigned long flags;
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p", hu);
+
+ /* lock hcill state */
+ spin_lock_irqsave(&ll->hcill_lock, flags);
+
+ switch (ll->hcill_state) {
+ case HCILL_ASLEEP:
+ /* acknowledge device wake up */
+ if (send_hcill_cmd(HCILL_WAKE_UP_ACK, hu) < 0) {
+ BT_ERR("cannot acknowledge device wake up");
+ goto out;
+ }
+ break;
+ case HCILL_ASLEEP_TO_AWAKE:
+ /*
+ * this state means that a wake-up-indication
+ * is already on its way to the device,
+ * and will serve as the required wake-up-ack
+ */
+ BT_DBG("dual wake-up-indication");
+ break;
+ default:
+ /* any other state are illegal */
+ BT_ERR("received HCILL_WAKE_UP_IND in state %ld", ll->hcill_state);
+ break;
+ }
+
+ /* send pending packets and change state to HCILL_AWAKE */
+ __ll_do_awake(ll);
+
+out:
+ spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+ /* actually send the packets */
+ hci_uart_tx_wakeup(hu);
+}
+
+/*
+ * Called upon a sleep-indication from the device
+ */
+static void ll_device_want_to_sleep(struct hci_uart *hu)
+{
+ unsigned long flags;
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p", hu);
+
+ /* lock hcill state */
+ spin_lock_irqsave(&ll->hcill_lock, flags);
+
+ /* sanity check */
+ if (ll->hcill_state != HCILL_AWAKE)
+ BT_ERR("ERR: HCILL_GO_TO_SLEEP_IND in state %ld", ll->hcill_state);
+
+ /* acknowledge device sleep */
+ if (send_hcill_cmd(HCILL_GO_TO_SLEEP_ACK, hu) < 0) {
+ BT_ERR("cannot acknowledge device sleep");
+ goto out;
+ }
+
+ /* update state */
+ ll->hcill_state = HCILL_ASLEEP;
+
+out:
+ spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+ /* actually send the sleep ack packet */
+ hci_uart_tx_wakeup(hu);
+}
+
+/*
+ * Called upon wake-up-acknowledgement from the device
+ */
+static void ll_device_woke_up(struct hci_uart *hu)
+{
+ unsigned long flags;
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p", hu);
+
+ /* lock hcill state */
+ spin_lock_irqsave(&ll->hcill_lock, flags);
+
+ /* sanity check */
+ if (ll->hcill_state != HCILL_ASLEEP_TO_AWAKE)
+ BT_ERR("received HCILL_WAKE_UP_ACK in state %ld", ll->hcill_state);
+
+ /* send pending packets and change state to HCILL_AWAKE */
+ __ll_do_awake(ll);
+
+ spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+ /* actually send the packets */
+ hci_uart_tx_wakeup(hu);
+}
+
+/* Enqueue frame for transmittion (padding, crc, etc) */
+/* may be called from two simultaneous tasklets */
+static int ll_enqueue(struct hci_uart *hu, struct sk_buff *skb)
+{
+ unsigned long flags = 0;
+ struct ll_struct *ll = hu->priv;
+
+ BT_DBG("hu %p skb %p", hu, skb);
+
+ /* Prepend skb with frame type */
+ memcpy(skb_push(skb, 1), &bt_cb(skb)->pkt_type, 1);
+
+ /* lock hcill state */
+ spin_lock_irqsave(&ll->hcill_lock, flags);
+
+ /* act according to current state */
+ switch (ll->hcill_state) {
+ case HCILL_AWAKE:
+ BT_DBG("device awake, sending normally");
+ skb_queue_tail(&ll->txq, skb);
+ break;
+ case HCILL_ASLEEP:
+ BT_DBG("device asleep, waking up and queueing packet");
+ /* save packet for later */
+ skb_queue_tail(&ll->tx_wait_q, skb);
+ /* awake device */
+ if (send_hcill_cmd(HCILL_WAKE_UP_IND, hu) < 0) {
+ BT_ERR("cannot wake up device");
+ break;
+ }
+ ll->hcill_state = HCILL_ASLEEP_TO_AWAKE;
+ break;
+ case HCILL_ASLEEP_TO_AWAKE:
+ BT_DBG("device waking up, queueing packet");
+ /* transient state; just keep packet for later */
+ skb_queue_tail(&ll->tx_wait_q, skb);
+ break;
+ default:
+ BT_ERR("illegal hcill state: %ld (losing packet)", ll->hcill_state);
+ kfree_skb(skb);
+ break;
+ }
+
+ spin_unlock_irqrestore(&ll->hcill_lock, flags);
+
+ return 0;
+}
+
+static inline int ll_check_data_len(struct ll_struct *ll, int len)
+{
+ register int room = skb_tailroom(ll->rx_skb);
+
+ BT_DBG("len %d room %d", len, room);
+
+ if (!len) {
+ hci_recv_frame(ll->rx_skb);
+ } else if (len > room) {
+ BT_ERR("Data length is too large");
+ kfree_skb(ll->rx_skb);
+ } else {
+ ll->rx_state = HCILL_W4_DATA;
+ ll->rx_count = len;
+ return len;
+ }
+
+ ll->rx_state = HCILL_W4_PACKET_TYPE;
+ ll->rx_skb = NULL;
+ ll->rx_count = 0;
+
+ return 0;
+}
+
+/* Recv data */
+static int ll_recv(struct hci_uart *hu, void *data, int count)
+{
+ struct ll_struct *ll = hu->priv;
+ register char *ptr;
+ struct hci_event_hdr *eh;
+ struct hci_acl_hdr *ah;
+ struct hci_sco_hdr *sh;
+ register int len, type, dlen;
+
+ BT_DBG("hu %p count %d rx_state %ld rx_count %ld", hu, count, ll->rx_state, ll->rx_count);
+
+ ptr = data;
+ while (count) {
+ if (ll->rx_count) {
+ len = min_t(unsigned int, ll->rx_count, count);
+ memcpy(skb_put(ll->rx_skb, len), ptr, len);
+ ll->rx_count -= len; count -= len; ptr += len;
+
+ if (ll->rx_count)
+ continue;
+
+ switch (ll->rx_state) {
+ case HCILL_W4_DATA:
+ BT_DBG("Complete data");
+ hci_recv_frame(ll->rx_skb);
+
+ ll->rx_state = HCILL_W4_PACKET_TYPE;
+ ll->rx_skb = NULL;
+ continue;
+
+ case HCILL_W4_EVENT_HDR:
+ eh = (struct hci_event_hdr *) ll->rx_skb->data;
+
+ BT_DBG("Event header: evt 0x%2.2x plen %d", eh->evt, eh->plen);
+
+ ll_check_data_len(ll, eh->plen);
+ continue;
+
+ case HCILL_W4_ACL_HDR:
+ ah = (struct hci_acl_hdr *) ll->rx_skb->data;
+ dlen = __le16_to_cpu(ah->dlen);
+
+ BT_DBG("ACL header: dlen %d", dlen);
+
+ ll_check_data_len(ll, dlen);
+ continue;
+
+ case HCILL_W4_SCO_HDR:
+ sh = (struct hci_sco_hdr *) ll->rx_skb->data;
+
+ BT_DBG("SCO header: dlen %d", sh->dlen);
+
+ ll_check_data_len(ll, sh->dlen);
+ continue;
+ }
+ }
+
+ /* HCILL_W4_PACKET_TYPE */
+ switch (*ptr) {
+ case HCI_EVENT_PKT:
+ BT_DBG("Event packet");
+ ll->rx_state = HCILL_W4_EVENT_HDR;
+ ll->rx_count = HCI_EVENT_HDR_SIZE;
+ type = HCI_EVENT_PKT;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ BT_DBG("ACL packet");
+ ll->rx_state = HCILL_W4_ACL_HDR;
+ ll->rx_count = HCI_ACL_HDR_SIZE;
+ type = HCI_ACLDATA_PKT;
+ break;
+
+ case HCI_SCODATA_PKT:
+ BT_DBG("SCO packet");
+ ll->rx_state = HCILL_W4_SCO_HDR;
+ ll->rx_count = HCI_SCO_HDR_SIZE;
+ type = HCI_SCODATA_PKT;
+ break;
+
+ /* HCILL signals */
+ case HCILL_GO_TO_SLEEP_IND:
+ BT_DBG("HCILL_GO_TO_SLEEP_IND packet");
+ ll_device_want_to_sleep(hu);
+ ptr++; count--;
+ continue;
+
+ case HCILL_GO_TO_SLEEP_ACK:
+ /* shouldn't happen */
+ BT_ERR("received HCILL_GO_TO_SLEEP_ACK (in state %ld)", ll->hcill_state);
+ ptr++; count--;
+ continue;
+
+ case HCILL_WAKE_UP_IND:
+ BT_DBG("HCILL_WAKE_UP_IND packet");
+ ll_device_want_to_wakeup(hu);
+ ptr++; count--;
+ continue;
+
+ case HCILL_WAKE_UP_ACK:
+ BT_DBG("HCILL_WAKE_UP_ACK packet");
+ ll_device_woke_up(hu);
+ ptr++; count--;
+ continue;
+
+ default:
+ BT_ERR("Unknown HCI packet type %2.2x", (__u8)*ptr);
+ hu->hdev->stat.err_rx++;
+ ptr++; count--;
+ continue;
+ };
+
+ ptr++; count--;
+
+ /* Allocate packet */
+ ll->rx_skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+ if (!ll->rx_skb) {
+ BT_ERR("Can't allocate mem for new packet");
+ ll->rx_state = HCILL_W4_PACKET_TYPE;
+ ll->rx_count = 0;
+ return 0;
+ }
+
+ ll->rx_skb->dev = (void *) hu->hdev;
+ bt_cb(ll->rx_skb)->pkt_type = type;
+ }
+
+ return count;
+}
+
+static struct sk_buff *ll_dequeue(struct hci_uart *hu)
+{
+ struct ll_struct *ll = hu->priv;
+ return skb_dequeue(&ll->txq);
+}
+
+static struct hci_uart_proto llp = {
+ .id = HCI_UART_LL,
+ .open = ll_open,
+ .close = ll_close,
+ .recv = ll_recv,
+ .enqueue = ll_enqueue,
+ .dequeue = ll_dequeue,
+ .flush = ll_flush,
+};
+
+int ll_init(void)
+{
+ int err = hci_uart_register_proto(&llp);
+
+ if (!err)
+ BT_INFO("HCILL protocol initialized");
+ else
+ BT_ERR("HCILL protocol registration failed");
+
+ return err;
+}
+
+int ll_deinit(void)
+{
+ return hci_uart_unregister_proto(&llp);
+}
diff --git a/drivers/bluetooth/hci_uart.h b/drivers/bluetooth/hci_uart.h
index 1097ce72393..50113db06b9 100644
--- a/drivers/bluetooth/hci_uart.h
+++ b/drivers/bluetooth/hci_uart.h
@@ -33,12 +33,13 @@
#define HCIUARTGETDEVICE _IOR('U', 202, int)
/* UART protocols */
-#define HCI_UART_MAX_PROTO 4
+#define HCI_UART_MAX_PROTO 5
#define HCI_UART_H4 0
#define HCI_UART_BCSP 1
#define HCI_UART_3WIRE 2
#define HCI_UART_H4DS 3
+#define HCI_UART_LL 4
struct hci_uart;
@@ -85,3 +86,8 @@ int h4_deinit(void);
int bcsp_init(void);
int bcsp_deinit(void);
#endif
+
+#ifdef CONFIG_BT_HCIUART_LL
+int ll_init(void);
+int ll_deinit(void);
+#endif
diff --git a/drivers/net/cpmac.c b/drivers/net/cpmac.c
index ed53aaab4c0..ae419736158 100644
--- a/drivers/net/cpmac.c
+++ b/drivers/net/cpmac.c
@@ -471,7 +471,7 @@ static int cpmac_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
len = max(skb->len, ETH_ZLEN);
- queue = skb->queue_mapping;
+ queue = skb_get_queue_mapping(skb);
#ifdef CONFIG_NETDEVICES_MULTIQUEUE
netif_stop_subqueue(dev, queue);
#else
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index ed1f9bbb2a3..112ab079ce7 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -3103,31 +3103,12 @@ static int niu_alloc_tx_ring_info(struct niu *np,
static void niu_size_rbr(struct niu *np, struct rx_ring_info *rp)
{
- u16 bs;
+ u16 bss;
- switch (PAGE_SIZE) {
- case 4 * 1024:
- case 8 * 1024:
- case 16 * 1024:
- case 32 * 1024:
- rp->rbr_block_size = PAGE_SIZE;
- rp->rbr_blocks_per_page = 1;
- break;
+ bss = min(PAGE_SHIFT, 15);
- default:
- if (PAGE_SIZE % (32 * 1024) == 0)
- bs = 32 * 1024;
- else if (PAGE_SIZE % (16 * 1024) == 0)
- bs = 16 * 1024;
- else if (PAGE_SIZE % (8 * 1024) == 0)
- bs = 8 * 1024;
- else if (PAGE_SIZE % (4 * 1024) == 0)
- bs = 4 * 1024;
- else
- BUG();
- rp->rbr_block_size = bs;
- rp->rbr_blocks_per_page = PAGE_SIZE / bs;
- }
+ rp->rbr_block_size = 1 << bss;
+ rp->rbr_blocks_per_page = 1 << (PAGE_SHIFT-bss);
rp->rbr_sizes[0] = 256;
rp->rbr_sizes[1] = 1024;
@@ -7902,12 +7883,7 @@ static int __init niu_init(void)
{
int err = 0;
- BUILD_BUG_ON((PAGE_SIZE < 4 * 1024) ||
- ((PAGE_SIZE > 32 * 1024) &&
- ((PAGE_SIZE % (32 * 1024)) != 0 &&
- (PAGE_SIZE % (16 * 1024)) != 0 &&
- (PAGE_SIZE % (8 * 1024)) != 0 &&
- (PAGE_SIZE % (4 * 1024)) != 0)));
+ BUILD_BUG_ON(PAGE_SIZE < 4 * 1024);
niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT);
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 014dc2cfe4d..09440d783e6 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -64,8 +64,8 @@
#define DRV_MODULE_NAME "tg3"
#define PFX DRV_MODULE_NAME ": "
-#define DRV_MODULE_VERSION "3.84"
-#define DRV_MODULE_RELDATE "October 12, 2007"
+#define DRV_MODULE_VERSION "3.85"
+#define DRV_MODULE_RELDATE "October 18, 2007"
#define TG3_DEF_MAC_MODE 0
#define TG3_DEF_RX_MODE 0
@@ -200,6 +200,7 @@ static struct pci_device_id tg3_pci_tbl[] = {
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5906M)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5784)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5764)},
+ {PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5723)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761)},
{PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5761E)},
{PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, PCI_DEVICE_ID_SYSKONNECT_9DXX)},
@@ -5028,10 +5029,7 @@ static int tg3_poll_fw(struct tg3 *tp)
/* Save PCI command register before chip reset */
static void tg3_save_pci_state(struct tg3 *tp)
{
- u32 val;
-
- pci_read_config_dword(tp->pdev, TG3PCI_COMMAND, &val);
- tp->pci_cmd = val;
+ pci_read_config_word(tp->pdev, PCI_COMMAND, &tp->pci_cmd);
}
/* Restore PCI state after chip reset */
@@ -5054,7 +5052,7 @@ static void tg3_restore_pci_state(struct tg3 *tp)
PCISTATE_ALLOW_APE_SHMEM_WR;
pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE, val);
- pci_write_config_dword(tp->pdev, TG3PCI_COMMAND, tp->pci_cmd);
+ pci_write_config_word(tp->pdev, PCI_COMMAND, tp->pci_cmd);
if (!(tp->tg3_flags2 & TG3_FLG2_PCI_EXPRESS)) {
pci_write_config_byte(tp->pdev, PCI_CACHE_LINE_SIZE,
@@ -10820,9 +10818,24 @@ out_not_found:
strcpy(tp->board_part_number, "none");
}
+static int __devinit tg3_fw_img_is_valid(struct tg3 *tp, u32 offset)
+{
+ u32 val;
+
+ if (tg3_nvram_read_swab(tp, offset, &val) ||
+ (val & 0xfc000000) != 0x0c000000 ||
+ tg3_nvram_read_swab(tp, offset + 4, &val) ||
+ val != 0)
+ return 0;
+
+ return 1;
+}
+
static void __devinit tg3_read_fw_ver(struct tg3 *tp)
{
u32 val, offset, start;
+ u32 ver_offset;
+ int i, bcnt;
if (tg3_nvram_read_swab(tp, 0, &val))
return;
@@ -10835,29 +10848,71 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
return;
offset = tg3_nvram_logical_addr(tp, offset);
- if (tg3_nvram_read_swab(tp, offset, &val))
+
+ if (!tg3_fw_img_is_valid(tp, offset) ||
+ tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
return;
- if ((val & 0xfc000000) == 0x0c000000) {
- u32 ver_offset, addr;
- int i;
+ offset = offset + ver_offset - start;
+ for (i = 0; i < 16; i += 4) {
+ if (tg3_nvram_read(tp, offset + i, &val))
+ return;
- if (tg3_nvram_read_swab(tp, offset + 4, &val) ||
- tg3_nvram_read_swab(tp, offset + 8, &ver_offset))
+ val = le32_to_cpu(val);
+ memcpy(tp->fw_ver + i, &val, 4);
+ }
+
+ if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF) ||
+ (tp->tg3_flags & TG3_FLG3_ENABLE_APE))
+ return;
+
+ for (offset = TG3_NVM_DIR_START;
+ offset < TG3_NVM_DIR_END;
+ offset += TG3_NVM_DIRENT_SIZE) {
+ if (tg3_nvram_read_swab(tp, offset, &val))
return;
- if (val != 0)
+ if ((val >> TG3_NVM_DIRTYPE_SHIFT) == TG3_NVM_DIRTYPE_ASFINI)
+ break;
+ }
+
+ if (offset == TG3_NVM_DIR_END)
+ return;
+
+ if (!(tp->tg3_flags2 & TG3_FLG2_5705_PLUS))
+ start = 0x08000000;
+ else if (tg3_nvram_read_swab(tp, offset - 4, &start))
+ return;
+
+ if (tg3_nvram_read_swab(tp, offset + 4, &offset) ||
+ !tg3_fw_img_is_valid(tp, offset) ||
+ tg3_nvram_read_swab(tp, offset + 8, &val))
+ return;
+
+ offset += val - start;
+
+ bcnt = strlen(tp->fw_ver);
+
+ tp->fw_ver[bcnt++] = ',';
+ tp->fw_ver[bcnt++] = ' ';
+
+ for (i = 0; i < 4; i++) {
+ if (tg3_nvram_read(tp, offset, &val))
return;
- addr = offset + ver_offset - start;
- for (i = 0; i < 16; i += 4) {
- if (tg3_nvram_read(tp, addr + i, &val))
- return;
+ val = le32_to_cpu(val);
+ offset += sizeof(val);
- val = cpu_to_le32(val);
- memcpy(tp->fw_ver + i, &val, 4);
+ if (bcnt > TG3_VER_SIZE - sizeof(val)) {
+ memcpy(&tp->fw_ver[bcnt], &val, TG3_VER_SIZE - bcnt);
+ break;
}
+
+ memcpy(&tp->fw_ver[bcnt], &val, sizeof(val));
+ bcnt += sizeof(val);
}
+
+ tp->fw_ver[TG3_VER_SIZE - 1] = 0;
}
static struct pci_dev * __devinit tg3_find_peer(struct tg3 *);
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index 6dbdad2b8f8..1d5b2a3dd29 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1540,6 +1540,12 @@
#define TG3_EEPROM_MAGIC_HW 0xabcd
#define TG3_EEPROM_MAGIC_HW_MSK 0xffff
+#define TG3_NVM_DIR_START 0x18
+#define TG3_NVM_DIR_END 0x78
+#define TG3_NVM_DIRENT_SIZE 0xc
+#define TG3_NVM_DIRTYPE_SHIFT 24
+#define TG3_NVM_DIRTYPE_ASFINI 1
+
/* 32K Window into NIC internal memory */
#define NIC_SRAM_WIN_BASE 0x00008000
@@ -2415,10 +2421,11 @@ struct tg3 {
#define PHY_REV_BCM5411_X0 0x1 /* Found on Netgear GA302T */
u32 led_ctrl;
- u32 pci_cmd;
+ u16 pci_cmd;
char board_part_number[24];
- char fw_ver[16];
+#define TG3_VER_SIZE 32
+ char fw_ver[TG3_VER_SIZE];
u32 nic_sram_data_cfg;
u32 pci_clock_ctrl;
struct pci_dev *pdev_peer;