13175 Add support for IP_RECVTOS
13182 CMSG_ macros should have man pages
Change-ID: I784aa36cfd3c17e3cccbf1fd329fa7e69b663ef9

*** 21,30 ****
--- 21,31 ----
  /*
   * Copyright (c) 1991, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright (c) 2011, Joyent, Inc. All rights reserved.
   * Copyright (c) 2011 Nexenta Systems, Inc. All rights reserved.
   * Copyright (c) 2014, 2017 by Delphix. All rights reserved.
+  * Copyright 2020 OmniOS Community Edition (OmniOSce) Association.
   */
  /* Copyright (c) 1990 Mentat Inc. */
  
  #ifndef _INET_TCP_H
  #define _INET_TCP_H
*** 374,383 ****
--- 375,385 ----
          mblk_t          *tcp_ordrel_mp;         /* T_ordrel_ind mblk */
          t_uscalar_t     tcp_acceptor_id;        /* ACCEPTOR_id */
  
          int             tcp_ipsec_overhead;
  
+         uint_t          tcp_recvtos;    /* Last received IP_RECVTOS */
          uint_t          tcp_recvifindex; /* Last received IPV6_RCVPKTINFO */
          uint_t          tcp_recvhops;   /* Last received IPV6_RECVHOPLIMIT */
          uint_t          tcp_recvtclass; /* Last received IPV6_RECVTCLASS */
          ip6_hbh_t       *tcp_hopopts;   /* Last received IPV6_RECVHOPOPTS */
          ip6_dest_t      *tcp_dstopts;   /* Last received IPV6_RECVDSTOPTS */