DLPX-25998 TCP congestion control is inadequate
Reviewed at: http://reviews.delphix.com/r/34808/

@@ -19,10 +19,11 @@
  * CDDL HEADER END
  */
 
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2017 by Delphix. All rights reserved.
  */
 
 #ifndef _INET_TCP_STACK_H
 #define _INET_TCP_STACK_H
 

@@ -112,10 +113,12 @@
 
         /* Listener connection limit configuration. */
         kmutex_t        tcps_listener_conf_lock;
         list_t          tcps_listener_conf;
 
+        struct cc_algo  *tcps_default_cc_algo;
+
         /*
          * Per CPU stats
          *
          * tcps_sc: array of pointer to per CPU stats.  The i-th element in the
          *    array represents the stats of the CPU with cpu_seqid.