Bluetooth: Add basic constants for L2CAP ERTM support and use them

This adds the basic constants required to add support for L2CAP Enhanced
Retransmission feature.

Based on a patch from Nathan Holstein <nathan@lampreynetworks.com>

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index f6a82f203fd2..338295007c4b 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -52,7 +52,7 @@
 
 #define VERSION "2.13"
 
-static u32 l2cap_feat_mask = 0x0080;
+static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
 static u8 l2cap_fixed_chan[8] = { 0x02, };
 
 static const struct proto_ops l2cap_sock_ops;
@@ -1747,7 +1747,7 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data)
                 len -= l2cap_get_conf_opt(&req, &type, &olen, &val);
 
                 hint  = type & L2CAP_CONF_HINT;
-                type &= 0x7f;
+                type &= L2CAP_CONF_MASK;
 
                 switch (type) {
                 case L2CAP_CONF_MTU:
@@ -2244,7 +2244,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
         if (type == L2CAP_IT_FEAT_MASK) {
                 conn->feat_mask = get_unaligned_le32(rsp->data);
 
-                if (conn->feat_mask & 0x0080) {
+                if (conn->feat_mask & L2CAP_FEAT_FIXED_CHAN) {
                         struct l2cap_info_req req;
                         req.type = cpu_to_le16(L2CAP_IT_FIXED_CHAN);