vipnsinit.c

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/********************************************************
 * Myricom VI-GM  networking software and documentation *
 * Copyright (c) 2001 by Myricom, Inc.                  *
 * All rights reserved.                                 *
 * See the file `COPYING' for copyright notice.         *
 ********************************************************/

#include "vipl_priv.h"


VIP_ENTRY_POINT VIP_RETURN
VipNSInit (VIP_NIC_HANDLE NicHandle, VIP_PVOID NSInitInfo)
{
  VIP_NIC *vip_nic_ptr;
  VIP_DEBUG_LABEL (("VipNSInit"));


  /* check NSInitInfo */
  if (NSInitInfo != NULL)
    {
      VIP_DEBUG (("Invalid NSInitInfo (should be NULL)"));
      return VIP_INVALID_PARAMETER;
    }

  /* check nic handle */
  vip_nic_ptr = (VIP_NIC *) NicHandle;
  if (VIP_INVALID_NIC_HANDLE (vip_nic_ptr))
    {
      VIP_DEBUG (("Invalid NIC handle"));
      return VIP_INVALID_PARAMETER;
    }
  VIP_MUTEX_LOCK (&(vip_nic_ptr->lock));

  /* check if the name service was alreadyinitialized */
  if (vip_nic_ptr->ns_initialized == VIP_TRUE)
    {
      VIP_DEBUG (("Name service was previously initialized"));
      VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
      return VIP_ERROR_NAMESERVICE;
    }

  vip_nic_ptr->ns_initialized = VIP_TRUE;
  VIP_DEBUG (("Success"));
  VIP_MUTEX_UNLOCK (&(vip_nic_ptr->lock));
  return VIP_SUCCESS;
}