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[Bluetooth] Add timestamp support to L2CAP, RFCOMM and SCO

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Enable the common timestamp functionality that the network subsystem
provides for L2CAP, RFCOMM and SCO sockets. It is possible to either
use SO_TIMESTAMP or the IOCTLs to retrieve the timestamp of the
current packet.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann
2008-07-14 20:13:50 +02:00
parent 40be492fe4
commit 3241ad820d
5 changed files with 42 additions and 6 deletions
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28
net/bluetooth/af_bluetooth.c
View File

@@ -36,6 +36,7 @@
#include <linux/init.h>
#include <linux/poll.h>
#include <net/sock.h>
#include <asm/ioctls.h>
#if defined(CONFIG_KMOD)
#include <linux/kmod.h>
@@ -266,6 +267,8 @@ int bt_sock_recvmsg(struct kiocb *iocb, struct socket *sock,
skb_reset_transport_header(skb);
err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
if (err == 0)
sock_recv_timestamp(msg, sk, skb);
skb_free_datagram(sk, skb);
@@ -329,6 +332,31 @@ unsigned int bt_sock_poll(struct file * file, struct socket *sock, poll_table *w
}
EXPORT_SYMBOL(bt_sock_poll);
int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
struct sock *sk = sock->sk;
int err;
BT_DBG("sk %p cmd %x arg %lx", sk, cmd, arg);
switch (cmd) {
case SIOCGSTAMP:
err = sock_get_timestamp(sk, (struct timeval __user *) arg);
break;
case SIOCGSTAMPNS:
err = sock_get_timestampns(sk, (struct timespec __user *) arg);
break;
default:
err = -ENOIOCTLCMD;
break;
}
return err;
}
EXPORT_SYMBOL(bt_sock_ioctl);
int bt_sock_wait_state(struct sock *sk, int state, unsigned long timeo)
{
DECLARE_WAITQUEUE(wait, current);