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//=============================================================================

//

//      sntp.c

//

//      Helper functions to access the interface information

//

//=============================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 2003 Andrew Lunn

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation; either version 2 or (at your option) any later version.

//

// eCos is distributed in the hope that it will be useful, but WITHOUT ANY

// WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// You should have received a copy of the GNU General Public License along

// with eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//=============================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   andrew.lunn

// Contributors:

// Date:        2003-02-22

// Description: Provides helper functions to access the network interface

//              information.

//####DESCRIPTIONEND####

//

//=============================================================================

#include <pkgconf/system.h>

#include <sys/param.h>

#include <sys/socket.h>

#include <sys/time.h>

#include <net/if.h>

#include <net/if.h>

/* How many interfaces are there? */

#ifdef CYGPKG_NET_FREEBSD_STACK

struct ifaddr **ifnet_addrs;

long cyg_snmp_num_interfaces(void) {

  long long_ret=0;

  int cnt = if_index;

  while (cnt > 0) {

    if (ifnet_addrs[cnt] != 0) {

      long_ret++;

    }

    cnt--;

  }

  return long_ret;

}

struct ifnet *cyg_snmp_get_if(int if_num) {

  int index = 0;

  struct ifnet *ifp;

  do {

    while(0 == ifnet_addrs[index])

      index++;

    ifp = ifnet_addrs[index]->ifa_ifp;

    if_num--;

  } while (if_num);

  return ifp;

}

#endif

#ifdef CYGPKG_NET_OPENBSD_STACK

long cyg_snmp_num_interfaces(void) {

  register struct ifnet *ifp;

  long long_ret = 0;

  for (ifp = ifnet.tqh_first; ifp != 0; ifp = ifp->if_list.tqe_next)

    long_ret++;

  return long_ret;

}

struct ifnet *cyg_snmp_get_if(int if_num) {

  struct ifnet *ifp;

  for ( ifp = ifnet.tqh_first;

        if_num > 1 && ifp != 0;

          if_num-- )

        ifp = ifp->if_list.tqe_next;

  return ifp;

}

#endif