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authorMarcel Holtmann <marcel@holtmann.org>2008-07-14 20:13:50 +0200
committerMarcel Holtmann <marcel@holtmann.org>2008-07-14 20:13:50 +0200
commit3241ad820dbb172021e0268b5611031991431626 (patch)
tree628c3fbdc88f9de6c996358ebcb551176da38f1f /net/bluetooth/af_bluetooth.c
parent40be492fe4fab829951681860c2bb26fa1d5fe4a (diff)
[Bluetooth] Add timestamp support to L2CAP, RFCOMM and SCO
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>
Diffstat (limited to 'net/bluetooth/af_bluetooth.c')
-rw-r--r--net/bluetooth/af_bluetooth.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index d366423c8392..88afe25003d8 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -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);