NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
SMB-11 SMB2 message parse & dispatch
SMB-12 SMB2 Negotiate Protocol
SMB-13 SMB2 Session Setup
SMB-14 SMB2 Logoff
SMB-15 SMB2 Tree Connect
SMB-16 SMB2 Tree Disconnect
SMB-17 SMB2 Create
SMB-18 SMB2 Close
SMB-19 SMB2 Flush
SMB-20 SMB2 Read
SMB-21 SMB2 Write
SMB-22 SMB2 Lock/Unlock
SMB-23 SMB2 Ioctl
SMB-24 SMB2 Cancel
SMB-25 SMB2 Echo
SMB-26 SMB2 Query Dir
SMB-27 SMB2 Change Notify
SMB-28 SMB2 Query Info
SMB-29 SMB2 Set Info
SMB-30 SMB2 Oplocks
SMB-53 SMB2 Create Context options
(SMB2 code review cleanup 1, 2, 3)
SMB-49 Codenomicon error with SMB echo

*** 20,30 ****
   */
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   *
!  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <smbsrv/smb_kproto.h>
  
  /*
--- 20,30 ----
   */
  /*
   * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   *
!  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
   */
  
  #include <smbsrv/smb_kproto.h>
  
  /*
*** 37,54 ****
   * no data. If echo-count is zero, no response is sent.
   */
  smb_sdrc_t
  smb_pre_echo(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__Echo__start, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_echo(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__Echo__done, smb_request_t *, sr);
  }
  
  static unsigned short smb_max_echo = 10;
  
  smb_sdrc_t
--- 37,54 ----
   * no data. If echo-count is zero, no response is sent.
   */
  smb_sdrc_t
  smb_pre_echo(smb_request_t *sr)
  {
!         DTRACE_SMB_START(op__Echo, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_echo(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__Echo, smb_request_t *, sr);
  }
  
  static unsigned short smb_max_echo = 10;
  
  smb_sdrc_t