eigrpd/eigrp_macros.h

   1 /*
   2  * EIGRP Macros Definition.
   3  * Copyright (C) 2013-2014
   4  * Authors:
   5  *   Donnie Savage
   6  *   Jan Janovic
   7  *   Matej Perina
   8  *   Peter Orsag
   9  *   Peter Paluch
  10  *
  11  * This file is part of GNU Zebra.
  12  *
  13  * GNU Zebra is free software; you can redistribute it and/or modify it
  14  * under the terms of the GNU General Public License as published by the
  15  * Free Software Foundation; either version 2, or (at your option) any
  16  * later version.
  17  *
  18  * GNU Zebra is distributed in the hope that it will be useful, but
  19  * WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  21  * General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License
  24  * along with GNU Zebra; see the file COPYING.  If not, write to the Free
  25  * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  26  * 02111-1307, USA.
  27  */
  28
  29 #ifndef _ZEBRA_EIGRP_MACROS_H_
  30 #define _ZEBRA_EIGRP_MACROS_H_
  31
  32 #define DECLARE_IF_PARAM(T, P) T P; u_char P##__config:1
  33 #define IF_EIGRP_IF_INFO(I) ((struct eigrp_if_info *)((I)->info))
  34 #define IF_OIFS(I)  (IF_EIGRP_IF_INFO (I)->eifs)
  35 #define IF_OIFS_PARAMS(I) (IF_EIGRP_IF_INFO (I)->params)
  36
  37 #define SET_IF_PARAM(S, P) ((S)->P##__config) = 1
  38 #define IF_DEF_PARAMS(I) (IF_EIGRP_IF_INFO (I)->def_params)
  39
  40 #define UNSET_IF_PARAM(S, P) ((S)->P##__config) = 0
  41
  42 #define EIGRP_IF_PARAM_CONFIGURED(S, P) ((S) && (S)->P##__config)
  43 #define EIGRP_IF_PARAM(O, P) \
  44         (EIGRP_IF_PARAM_CONFIGURED ((O)->params, P)?\
  45                         (O)->params->P:IF_DEF_PARAMS((O)->ifp)->P)
  46
  47 #define EIGRP_IF_PASSIVE_STATUS(O) \
  48        (EIGRP_IF_PARAM_CONFIGURED((O)->params, passive_interface) ? \
  49          (O)->params->passive_interface : \
  50          (EIGRP_IF_PARAM_CONFIGURED(IF_DEF_PARAMS((O)->ifp), passive_interface) ? \
  51            IF_DEF_PARAMS((O)->ifp)->passive_interface : \
  52            (O)->eigrp->passive_interface_default))
  53
  54 //------------------------------------------------------------------------------------------------------------------------------------
  55
  56 #define EIGRP_IF_STRING_MAXLEN  40
  57 #define IF_NAME(I)      eigrp_if_name_string ((I))
  58
  59 //------------------------------------------------------------------------------------------------------------------------------------
  60
  61 /*Macros for EIGRP interface multicast membership*/
  62 #define EI_MEMBER_FLAG(M) (1 << (M))
  63 #define EI_MEMBER_COUNT(O,M) (IF_EIGRP_IF_INFO(ei->ifp)->membership_counts[(M)])
  64 #define EI_MEMBER_CHECK(O,M) \
  65     (CHECK_FLAG((O)->multicast_memberships, EI_MEMBER_FLAG(M)))
  66 #define EI_MEMBER_JOINED(O,M) \
  67   do { \
  68     SET_FLAG ((O)->multicast_memberships, EI_MEMBER_FLAG(M)); \
  69     IF_EIGRP_IF_INFO((O)->ifp)->membership_counts[(M)]++; \
  70   } while (0)
  71 #define EI_MEMBER_LEFT(O,M) \
  72   do { \
  73     UNSET_FLAG ((O)->multicast_memberships, EI_MEMBER_FLAG(M)); \
  74     IF_EIGRP_IF_INFO((O)->ifp)->membership_counts[(M)]--; \
  75   } while (0)
  76
  77 //-----------------------------------------------------------------------------------------------------------------------------------
  78 /* Topology Macros */
  79
  80
  81 /* FSM macros*/
  82 #define EIGRP_FSM_EVENT_SCHEDULE(I,E) \
  83       thread_add_event (master, eigrp_fsm_event, (I), (E))
  84
  85 #endif /* _ZEBRA_EIGRP_MACROS_H_ */