From eab2404ba798a8efda2a970f44071c3406d94e57 Mon Sep 17 00:00:00 2001 From: Luiz Augusto von Dentz Date: Fri, 14 Feb 2020 10:08:57 -0800 Subject: Bluetooth: Add BT_PHY socket option This adds BT_PHY socket option (read-only) which can be used to read the PHYs in use by the underline connection. Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Marcel Holtmann --- net/bluetooth/l2cap_sock.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'net/bluetooth/l2cap_sock.c') diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 390a9afab647..9fb47b2b13c9 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -499,6 +499,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, struct l2cap_chan *chan = l2cap_pi(sk)->chan; struct bt_security sec; struct bt_power pwr; + u32 phys; int len, err = 0; BT_DBG("sk %p", sk); @@ -603,6 +604,18 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, err = -EFAULT; break; + case BT_PHY: + if (sk->sk_state == BT_CONNECTED) { + err = -ENOTCONN; + break; + } + + phys = hci_conn_get_phy(chan->conn->hcon); + + if (put_user(phys, (u32 __user *) optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break; -- cgit v1.2.3-58-ga151