11553 Want pluggable TCP congestion control algorithms
Portions contributed by: Cody Peter Mello <cody.mello@joyent.com>
Reviewed by: Dan McDonald <danmcd@joyent.com>
Reviewed by: Robert Mustacchi <robert.mustacchi@joyent.com>

@@ -20,11 +20,11 @@
  */
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  * Copyright 2019 Joyent, Inc.
  * Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
- * Copyright (c) 2013, 2016 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2017 by Delphix. All rights reserved.
  */
 
 #ifndef _INET_TCP_IMPL_H
 #define _INET_TCP_IMPL_H
 

@@ -560,10 +560,12 @@
                                         tcps_propinfo_tbl[56].prop_min_uval
 #define tcps_wroff_xtra                 tcps_propinfo_tbl[57].prop_cur_uval
 #define tcps_dev_flow_ctl               tcps_propinfo_tbl[58].prop_cur_bval
 #define tcps_reass_timeout              tcps_propinfo_tbl[59].prop_cur_uval
 #define tcps_iss_incr                   tcps_propinfo_tbl[65].prop_cur_uval
+#define tcps_abc                        tcps_propinfo_tbl[67].prop_cur_bval
+#define tcps_abc_l_var                  tcps_propinfo_tbl[68].prop_cur_uval
 
 
 /*
  * As defined in RFC 6298, the RTO is the average estimates (SRTT) plus a
  * multiple of the deviation estimates (K * RTTVAR):

@@ -731,10 +733,11 @@
                     mblk_t **, uint32_t, boolean_t, uint32_t *, boolean_t);
 
 /*
  * Input related functions in tcp_input.c.
  */
+extern void     cc_cong_signal(tcp_t *, uint32_t, uint32_t);
 extern void     tcp_icmp_input(void *, mblk_t *, void *, ip_recv_attr_t *);
 extern void     tcp_input_data(void *, mblk_t *, void *, ip_recv_attr_t *);
 extern void     tcp_input_listener_unbound(void *, mblk_t *, void *,
                     ip_recv_attr_t *);
 extern boolean_t        tcp_paws_check(tcp_t *, const tcp_opt_t *);