1 files changed, 8 insertions, 1 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7ec6a28305c0..1f57c5363492 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -763,10 +763,17 @@ enum tcp_ca_event {
         CA_EVENT_CWND_RESTART,  /* congestion window restart */
         CA_EVENT_COMPLETE_CWR,  /* end of congestion recovery */
         CA_EVENT_LOSS,          /* loss timeout */
+        CA_EVENT_ECN_NO_CE,     /* ECT set, but not CE marked */
+        CA_EVENT_ECN_IS_CE,     /* received CE marked IP packet */
+        CA_EVENT_DELAYED_ACK,   /* Delayed ack is sent */
+        CA_EVENT_NON_DELAYED_ACK,
 };
 
+/* Information about inbound ACK, passed to cong_ops->in_ack_event() */
 enum tcp_ca_ack_event_flags {
-        CA_ACK_SLOWPATH = (1 << 0),
+        CA_ACK_SLOWPATH         = (1 << 0),     /* In slow path processing */
+        CA_ACK_WIN_UPDATE       = (1 << 1),     /* ACK updated window */
+        CA_ACK_ECE              = (1 << 2),     /* ECE bit is set on ack */
 };
 
 /*