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authorMat Martineau <mathewm@codeaurora.org>2011-11-02 16:18:30 -0700
committerGustavo F. Padovan <padovan@profusion.mobi>2011-11-07 17:25:00 -0200
commit2ea664822af6705574dfbbf8c77fc7d75a94e9b3 (patch)
tree7fd806a991ac52244b2cb233b8e0798b5c84fde5 /net/bluetooth/l2cap_sock.c
parentd7c4d11c649ae694b78f145120ed693a004fe496 (diff)
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 <mathewm@codeaurora.org> Acked-by: Marcel Holtmann <marcel@holtmann.org> Acked-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Diffstat (limited to 'net/bluetooth/l2cap_sock.c')
-rw-r--r--net/bluetooth/l2cap_sock.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 9ed6501d90f..664762e89ec 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;