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authorMarcel Holtmann <marcel@holtmann.org>2007-10-20 13:38:51 +0200
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-22 11:59:42 +0200
commitf0709e03ac3552b1b048ee171cb96ecaacc6813c (patch)
tree65c888eb7c1d6ad1f34276232a8cddbbcf163c28 /net
parent[Bluetooth] Retrieve L2CAP features mask on connection setup (diff)
downloadlinux-f0709e03ac3552b1b048ee171cb96ecaacc6813c.tar.xz
linux-f0709e03ac3552b1b048ee171cb96ecaacc6813c.zip
[Bluetooth] Advertise L2CAP features mask support
Indicate the support for the L2CAP features mask value when the remote entity tries to negotiate Bluetooth 1.2 specific features. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net')
-rw-r--r--net/bluetooth/l2cap.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index 896ae5a9c07a..733c95dbd07e 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -55,7 +55,9 @@
#define BT_DBG(D...)
#endif
-#define VERSION "2.8"
+#define VERSION "2.9"
+
+static u32 l2cap_feat_mask = 0x0000;
static const struct proto_ops l2cap_sock_ops;
@@ -1775,16 +1777,27 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd
static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data)
{
struct l2cap_info_req *req = (struct l2cap_info_req *) data;
- struct l2cap_info_rsp rsp;
u16 type;
type = __le16_to_cpu(req->type);
BT_DBG("type 0x%4.4x", type);
- rsp.type = cpu_to_le16(type);
- rsp.result = cpu_to_le16(L2CAP_IR_NOTSUPP);
- l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(rsp), &rsp);
+ if (type == L2CAP_IT_FEAT_MASK) {
+ u8 buf[8];
+ struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
+ rsp->type = cpu_to_le16(L2CAP_IT_FEAT_MASK);
+ rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS);
+ put_unaligned(cpu_to_le32(l2cap_feat_mask), (__le32 *) rsp->data);
+ l2cap_send_cmd(conn, cmd->ident,
+ L2CAP_INFO_RSP, sizeof(buf), buf);
+ } else {
+ struct l2cap_info_rsp rsp;
+ rsp.type = cpu_to_le16(type);
+ rsp.result = cpu_to_le16(L2CAP_IR_NOTSUPP);
+ l2cap_send_cmd(conn, cmd->ident,
+ L2CAP_INFO_RSP, sizeof(rsp), &rsp);
+ }
return 0;
}