12513 SMB 3.1.1 support for server

*** 20,29 ****
--- 20,30 ----
   */
  
  /*
   * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2019 Nexenta Systems, Inc.  All rights reserved.
+  * Copyright 2020 RackTop Systems, Inc.
   */
  
  #ifndef _LIBSMB_H
  #define _LIBSMB_H
  
*** 158,167 ****
--- 159,169 ----
          SMB_CI_MAXIMUM_CREDITS,
          SMB_CI_MAX_PROTOCOL,
          SMB_CI_ENCRYPT,
          SMB_CI_MIN_PROTOCOL,
          SMB_CI_BYPASS_TRAVERSE_CHECKING,
+         SMB_CI_ENCRYPT_CIPHER,
  
          SMB_CI_MAX
  } smb_cfg_id_t;
  
  /* SMF helper functions */
*** 219,228 ****
--- 221,231 ----
  
  extern int smb_config_check_protocol(char *);
  extern uint32_t smb_config_get_max_protocol(void);
  extern uint32_t smb_config_get_min_protocol(void);
  extern void smb_config_upgrade(void);
+ extern uint16_t smb31_config_get_encrypt_cipher(void);
  
  extern smb_cfg_val_t smb_config_get_require(smb_cfg_id_t);
  
  extern void smb_load_kconfig(smb_kmod_cfg_t *kcfg);
  extern uint32_t smb_crc_gen(uint8_t *, size_t);