From 2ea664822af6705574dfbbf8c77fc7d75a94e9b3 Mon Sep 17 00:00:00 2001 From: Mat Martineau Date: Wed, 2 Nov 2011 16:18:30 -0700 Subject: Bluetooth: Add channel policy to getsockopt/setsockopt Each channel has a policy to require BR/EDR (the default), prefer BR/EDR, or prefer AMP. Check for valid policy value and L2CAP mode. Signed-off-by: Mat Martineau Acked-by: Marcel Holtmann Acked-by: Andrei Emeltchenko Signed-off-by: Gustavo F. Padovan --- net/bluetooth/l2cap_sock.c | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) (limited to 'net/bluetooth/l2cap_sock.c') diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 9ed6501d90f6..664762e89ecf 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -467,6 +467,16 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch break; + case BT_CHANNEL_POLICY: + if (!enable_hs) { + err = -ENOPROTOOPT; + break; + } + + if (put_user(chan->chan_policy, (u32 __user *) optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break; @@ -690,6 +700,31 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch clear_bit(FLAG_FORCE_ACTIVE, &chan->flags); break; + case BT_CHANNEL_POLICY: + if (!enable_hs) { + err = -ENOPROTOOPT; + break; + } + + if (get_user(opt, (u32 __user *) optval)) { + err = -EFAULT; + break; + } + + if (opt > BT_CHANNEL_POLICY_AMP_PREFERRED) { + err = -EINVAL; + break; + } + + if (chan->mode != L2CAP_MODE_ERTM && + chan->mode != L2CAP_MODE_STREAMING) { + err = -EOPNOTSUPP; + break; + } + + chan->chan_policy = (u8) opt; + break; + default: err = -ENOPROTOOPT; break; -- cgit v1.2.1