Bluetooth: Allow setting of L2CAP ERTM via socket option

To enable Enhanced Retransmission mode it needs to be set via a socket
option. A different mode can be set on a socket, but on listen() and
connect() the mode is checked and ERTM is only allowed if it is enabled
via the module parameter.

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

1 files changed, 5 insertions, 3 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index e919fca1072a..06b072fd6d54 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -190,7 +190,7 @@ struct l2cap_conf_rfc {
 #define L2CAP_MODE_RETRANS      0x01
 #define L2CAP_MODE_FLOWCTL      0x02
 #define L2CAP_MODE_ERTM         0x03
-#define L2CAP_MODE_STREAM       0x04
+#define L2CAP_MODE_STREAMING    0x04
 
 struct l2cap_disconn_req {
         __le16     dcid;
@@ -271,9 +271,11 @@ struct l2cap_pinfo {
         __u16           imtu;
         __u16           omtu;
         __u16           flush_to;
-        __u8            sec_level;
+        __u8            mode;
+        __u8            fcs;
+        __u8            sec_level;
         __u8            role_switch;
-        __u8            force_reliable;
+        __u8            force_reliable;
 
         __u8            conf_req[64];
         __u8            conf_len;