-/*
+/*
BlueZ - Bluetooth protocol stack for Linux
Copyright (C) 2000-2001 Qualcomm Incorporated
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
- CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
+ WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
- COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
+ ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
+ COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
SOFTWARE IS DISCLAIMED.
*/
/* Bluetooth HCI sockets. */
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
+#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/kernel.h>
-#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/poll.h>
#include <linux/fcntl.h>
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
+#include <linux/compat.h>
#include <linux/socket.h>
#include <linux/ioctl.h>
#include <net/sock.h>
/* Packet types */
0x10,
/* Events */
- { 0x1000d9fe, 0x0000300c },
+ { 0x1000d9fe, 0x0000b00c },
/* Commands */
{
{ 0x0 },
/* OGF_LINK_CTL */
- { 0xbe000006, 0x00000001, 0x0000, 0x00 },
+ { 0xbe000006, 0x00000001, 0x00000000, 0x00 },
/* OGF_LINK_POLICY */
- { 0x00005200, 0x00000000, 0x0000, 0x00 },
+ { 0x00005200, 0x00000000, 0x00000000, 0x00 },
/* OGF_HOST_CTL */
- { 0xaab00200, 0x2b402aaa, 0x0154, 0x00 },
+ { 0xaab00200, 0x2b402aaa, 0x05220154, 0x00 },
/* OGF_INFO_PARAM */
- { 0x000002be, 0x00000000, 0x0000, 0x00 },
+ { 0x000002be, 0x00000000, 0x00000000, 0x00 },
/* OGF_STATUS_PARAM */
- { 0x000000ea, 0x00000000, 0x0000, 0x00 }
+ { 0x000000ea, 0x00000000, 0x00000000, 0x00 }
}
};
/* Apply filter */
flt = &hci_pi(sk)->filter;
- if (!test_bit((skb->pkt_type == HCI_VENDOR_PKT) ?
- 0 : (skb->pkt_type & HCI_FLT_TYPE_BITS), &flt->type_mask))
+ if (!test_bit((bt_cb(skb)->pkt_type == HCI_VENDOR_PKT) ?
+ 0 : (bt_cb(skb)->pkt_type & HCI_FLT_TYPE_BITS), &flt->type_mask))
continue;
- if (skb->pkt_type == HCI_EVENT_PKT) {
+ if (bt_cb(skb)->pkt_type == HCI_EVENT_PKT) {
register int evt = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS);
if (!hci_test_bit(evt, &flt->event_mask))
continue;
- if (flt->opcode && ((evt == HCI_EV_CMD_COMPLETE &&
- flt->opcode != *(__u16 *)(skb->data + 3)) ||
- (evt == HCI_EV_CMD_STATUS &&
- flt->opcode != *(__u16 *)(skb->data + 4))))
+ if (flt->opcode &&
+ ((evt == HCI_EV_CMD_COMPLETE &&
+ flt->opcode !=
+ get_unaligned((__le16 *)(skb->data + 3))) ||
+ (evt == HCI_EV_CMD_STATUS &&
+ flt->opcode !=
+ get_unaligned((__le16 *)(skb->data + 4)))))
continue;
}
continue;
/* Put type byte before the data */
- memcpy(skb_push(nskb, 1), &nskb->pkt_type, 1);
+ memcpy(skb_push(nskb, 1), &bt_cb(nskb)->pkt_type, 1);
if (sock_queue_rcv_skb(sk, nskb))
kfree_skb(nskb);
static int hci_sock_release(struct socket *sock)
{
struct sock *sk = sock->sk;
- struct hci_dev *hdev = hci_pi(sk)->hdev;
+ struct hci_dev *hdev;
BT_DBG("sock %p sk %p", sock, sk);
if (!sk)
return 0;
+ hdev = hci_pi(sk)->hdev;
+
bt_sock_unlink(&hci_sk_list, sk);
if (hdev) {
return 0;
}
-/* Ioctls that require bound socket */
+/* Ioctls that require bound socket */
static inline int hci_sock_bound_ioctl(struct sock *sk, unsigned int cmd, unsigned long arg)
{
struct hci_dev *hdev = hci_pi(sk)->hdev;
{
struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
struct sock *sk = sock->sk;
+ struct hci_dev *hdev = hci_pi(sk)->hdev;
BT_DBG("sock %p sk %p", sock, sk);
+ if (!hdev)
+ return -EBADFD;
+
lock_sock(sk);
*addr_len = sizeof(*haddr);
haddr->hci_family = AF_BLUETOOTH;
- haddr->hci_dev = hci_pi(sk)->hdev->id;
+ haddr->hci_dev = hdev->id;
release_sock(sk);
return 0;
{
__u32 mask = hci_pi(sk)->cmsg_mask;
- if (mask & HCI_CMSG_DIR)
- put_cmsg(msg, SOL_HCI, HCI_CMSG_DIR, sizeof(int), &bt_cb(skb)->incoming);
+ if (mask & HCI_CMSG_DIR) {
+ int incoming = bt_cb(skb)->incoming;
+ put_cmsg(msg, SOL_HCI, HCI_CMSG_DIR, sizeof(incoming), &incoming);
+ }
+
+ if (mask & HCI_CMSG_TSTAMP) {
+ struct timeval tv;
+ void *data;
+ int len;
+
+ skb_get_timestamp(skb, &tv);
+
+ data = &tv;
+ len = sizeof(tv);
+#ifdef CONFIG_COMPAT
+ if (msg->msg_flags & MSG_CMSG_COMPAT) {
+ struct compat_timeval ctv;
+ ctv.tv_sec = tv.tv_sec;
+ ctv.tv_usec = tv.tv_usec;
+ data = &ctv;
+ len = sizeof(ctv);
+ }
+#endif
- if (mask & HCI_CMSG_TSTAMP)
- put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, sizeof(skb->stamp), &skb->stamp);
+ put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, len, data);
+ }
}
-
-static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
+
+static int hci_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len, int flags)
{
int noblock = flags & MSG_DONTWAIT;
copied = len;
}
- skb->h.raw = skb->data;
+ skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
hci_sock_cmsg(sk, msg, skb);
return err ? : copied;
}
-static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
+static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
goto drop;
}
- skb->pkt_type = *((unsigned char *) skb->data);
+ bt_cb(skb)->pkt_type = *((unsigned char *) skb->data);
skb_pull(skb, 1);
skb->dev = (void *) hdev;
- if (skb->pkt_type == HCI_COMMAND_PKT) {
- u16 opcode = __le16_to_cpu(get_unaligned((u16 *)skb->data));
+ if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
+ u16 opcode = __le16_to_cpu(get_unaligned((__le16 *) skb->data));
u16 ogf = hci_opcode_ogf(opcode);
u16 ocf = hci_opcode_ocf(opcode);
break;
case HCI_FILTER:
+ {
+ struct hci_filter *f = &hci_pi(sk)->filter;
+
+ uf.type_mask = f->type_mask;
+ uf.opcode = f->opcode;
+ uf.event_mask[0] = *((u32 *) f->event_mask + 0);
+ uf.event_mask[1] = *((u32 *) f->event_mask + 1);
+ }
+
len = min_t(unsigned int, len, sizeof(uf));
if (copy_from_user(&uf, optval, len)) {
err = -EFAULT;
*((u32 *) f->event_mask + 0) = uf.event_mask[0];
*((u32 *) f->event_mask + 1) = uf.event_mask[1];
}
- break;
+ break;
default:
err = -ENOPROTOOPT;
{
struct hci_ufilter uf;
struct sock *sk = sock->sk;
- int len, opt;
+ int len, opt;
if (get_user(len, optlen))
return -EFAULT;
case HCI_DATA_DIR:
if (hci_pi(sk)->cmsg_mask & HCI_CMSG_DIR)
opt = 1;
- else
+ else
opt = 0;
if (put_user(opt, optval))
case HCI_TIME_STAMP:
if (hci_pi(sk)->cmsg_mask & HCI_CMSG_TSTAMP)
opt = 1;
- else
+ else
opt = 0;
if (put_user(opt, optval))
return 0;
}
-static struct proto_ops hci_sock_ops = {
+static const struct proto_ops hci_sock_ops = {
.family = PF_BLUETOOTH,
.owner = THIS_MODULE,
.release = hci_sock_release,
.obj_size = sizeof(struct hci_pinfo)
};
-static int hci_sock_create(struct socket *sock, int protocol)
+static int hci_sock_create(struct net *net, struct socket *sock, int protocol)
{
struct sock *sk;
sock->ops = &hci_sock_ops;
- sk = sk_alloc(PF_BLUETOOTH, GFP_KERNEL, &hci_sk_proto, 1);
+ sk = sk_alloc(net, PF_BLUETOOTH, GFP_ATOMIC, &hci_sk_proto, 1);
if (!sk)
return -ENOMEM;
/* Detach sockets from device */
read_lock(&hci_sk_list.lock);
sk_for_each(sk, node, &hci_sk_list.head) {
- bh_lock_sock(sk);
+ local_bh_disable();
+ bh_lock_sock_nested(sk);
if (hci_pi(sk)->hdev == hdev) {
hci_pi(sk)->hdev = NULL;
sk->sk_err = EPIPE;
hci_dev_put(hdev);
}
bh_unlock_sock(sk);
+ local_bh_enable();
}
read_unlock(&hci_sk_list.lock);
}