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authorLuiz Augusto von Dentz <luiz.von.dentz@intel.com>2020-02-14 21:08:57 +0300
committerMarcel Holtmann <marcel@holtmann.org>2020-02-14 21:15:30 +0300
commiteab2404ba798a8efda2a970f44071c3406d94e57 (patch)
tree577b8b7c2a49eacd4382310c4f77236f301735b3 /net/bluetooth/l2cap_sock.c
parentcee5f20fece32cd1722230cb05333f39db860698 (diff)
downloadlinux-eab2404ba798a8efda2a970f44071c3406d94e57.tar.xz
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 <luiz.von.dentz@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c13
1 files changed, 13 insertions, 0 deletions
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;