Bluetooth: Implement 'Send IorRRorRNR' event

After receive a RR with P bit set ERTM shall use this funcion to choose
what type of frame to reply with F bit = 1.

Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
Reviewed-by: João Paulo Rechi Vita <jprvita@profusion.mobi>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

1 files changed, 11 insertions, 9 deletions

diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 17a689f27a6a..d9c20c3d6f3d 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -320,7 +320,7 @@ struct l2cap_pinfo {
         __u8            conf_req[64];
         __u8            conf_len;
         __u8            conf_state;
-        __u8            conn_state;
+        __u16           conn_state;
 
         __u8            next_tx_seq;
         __u8            expected_ack_seq;
@@ -328,6 +328,7 @@ struct l2cap_pinfo {
         __u8            buffer_seq;
         __u8            buffer_seq_srej;
         __u8            srej_save_reqseq;
+        __u8            frames_sent;
         __u8            unacked_frames;
         __u8            retry_count;
         __u8            num_to_ack;
@@ -367,14 +368,15 @@ struct l2cap_pinfo {
 #define L2CAP_CONF_MAX_CONF_REQ 2
 #define L2CAP_CONF_MAX_CONF_RSP 2
 
-#define L2CAP_CONN_SAR_SDU         0x01
-#define L2CAP_CONN_SREJ_SENT       0x02
-#define L2CAP_CONN_WAIT_F          0x04
-#define L2CAP_CONN_SREJ_ACT        0x08
-#define L2CAP_CONN_SEND_PBIT       0x10
-#define L2CAP_CONN_REMOTE_BUSY     0x20
-#define L2CAP_CONN_LOCAL_BUSY      0x40
-#define L2CAP_CONN_REJ_ACT         0x80
+#define L2CAP_CONN_SAR_SDU         0x0001
+#define L2CAP_CONN_SREJ_SENT       0x0002
+#define L2CAP_CONN_WAIT_F          0x0004
+#define L2CAP_CONN_SREJ_ACT        0x0008
+#define L2CAP_CONN_SEND_PBIT       0x0010
+#define L2CAP_CONN_REMOTE_BUSY     0x0020
+#define L2CAP_CONN_LOCAL_BUSY      0x0040
+#define L2CAP_CONN_REJ_ACT         0x0080
+#define L2CAP_CONN_SEND_FBIT       0x0100
 
 #define __mod_retrans_timer() mod_timer(&l2cap_pi(sk)->retrans_timer, \
                 jiffies +  msecs_to_jiffies(L2CAP_DEFAULT_RETRANS_TO));