zebra/rt.h

   1 /*
   2  * kernel routing table update prototype.
   3  * Copyright (C) 1998 Kunihiro Ishiguro
   4  *
   5  * This file is part of GNU Zebra.
   6  *
   7  * GNU Zebra is free software; you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation; either version 2, or (at your option) any
  10  * later version.
  11  *
  12  * GNU Zebra is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program; see the file COPYING; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #ifndef _ZEBRA_RT_H
  23 #define _ZEBRA_RT_H
  24
  25 #include "prefix.h"
  26 #include "if.h"
  27 #include "vlan.h"
  28 #include "vxlan.h"
  29 #include "zebra/rib.h"
  30 #include "zebra/zebra_ns.h"
  31 #include "zebra/zebra_mpls.h"
  32
  33 /*
  34  * Philosophy Note:
  35  *
  36  * Flags being SET/UNSET do not belong in the South Bound
  37  * Interface.  This Setting belongs at the calling level
  38  * because we can and will have multiple different interfaces
  39  * and we will have potentially multiple different
  40  * modules/filters to call.  As such Setting/Unsetting
  41  * success failure should be handled by the caller.
  42  */
  43
  44
  45 enum southbound_results {
  46         SOUTHBOUND_INSTALL_SUCCESS,
  47         SOUTHBOUND_INSTALL_FAILURE,
  48         SOUTHBOUND_DELETE_SUCCESS,
  49         SOUTHBOUND_DELETE_FAILURE,
  50 };
  51
  52 /*
  53  * Install/delete the specified prefix p from the kernel
  54  *
  55  * old = NULL, new = pointer - Install new
  56  * old = pointer, new = pointer - Route replace Old w/ New
  57  * old = pointer, new = NULL, - Route Delete
  58  *
  59  * Please note not all kernels support route replace
  60  * semantics so we will end up with a delete than
  61  * a re-add.
  62  */
  63 extern void kernel_route_rib(struct prefix *p, struct prefix *src_p,
  64                              struct route_entry *old, struct route_entry *new);
  65
  66 /*
  67  * So route install/failure may not be immediately known
  68  * so let's separate it out and allow the result to
  69  * be passed back up.
  70  */
  71 extern void kernel_route_rib_pass_fail(struct prefix *p,
  72                                        struct route_entry *re,
  73                                        enum southbound_results res);
  74
  75 extern int kernel_address_add_ipv4(struct interface *, struct connected *);
  76 extern int kernel_address_delete_ipv4(struct interface *, struct connected *);
  77 extern int kernel_address_add_ipv6 (struct interface *, struct connected *);
  78 extern int kernel_address_delete_ipv6 (struct interface *, struct connected *);
  79 extern int kernel_neigh_update(int, int, uint32_t, char *, int);
  80 extern int kernel_interface_set_master(struct interface *master,
  81                                        struct interface *slave);
  82
  83 extern void kernel_add_lsp(zebra_lsp_t *lsp);
  84 extern void kernel_upd_lsp(zebra_lsp_t *lsp);
  85 extern void kernel_del_lsp(zebra_lsp_t *lsp);
  86
  87 /*
  88  * Add the ability to pass back up the lsp install/delete
  89  * success/failure.
  90  *
  91  * This functions goal is similiar to kernel_route_rib_pass_fail
  92  * in that we are separating out the mechanics for
  93  * the install/failure to set/unset flags and to notify
  94  * as needed.
  95  */
  96 extern void kernel_lsp_pass_fail(zebra_lsp_t *lsp,
  97                                  enum southbound_results res);
  98
  99 extern int mpls_kernel_init(void);
 100
 101 extern int kernel_get_ipmr_sg_stats(struct zebra_vrf *zvrf, void *mroute);
 102 extern int kernel_add_vtep(vni_t vni, struct interface *ifp,
 103                            struct in_addr *vtep_ip);
 104 extern int kernel_del_vtep(vni_t vni, struct interface *ifp,
 105                            struct in_addr *vtep_ip);
 106 extern int kernel_add_mac(struct interface *ifp, vlanid_t vid,
 107                           struct ethaddr *mac, struct in_addr vtep_ip,
 108                           u_char sticky);
 109 extern int kernel_del_mac(struct interface *ifp, vlanid_t vid,
 110                           struct ethaddr *mac, struct in_addr vtep_ip,
 111                           int local);
 112
 113 extern int kernel_add_neigh(struct interface *ifp, struct ipaddr *ip,
 114                             struct ethaddr *mac);
 115 extern int kernel_del_neigh(struct interface *ifp, struct ipaddr *ip);
 116
 117 /*
 118  * Southbound Initialization routines to get initial starting
 119  * state.
 120  */
 121 extern void interface_list(struct zebra_ns *zns);
 122 extern void kernel_init(struct zebra_ns *zns);
 123 extern void kernel_terminate(struct zebra_ns *zns);
 124 extern void macfdb_read(struct zebra_ns *zns);
 125 extern void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp,
 126                                    struct interface *br_if);
 127 extern void neigh_read(struct zebra_ns *zns);
 128 extern void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *ifp);
 129 extern void route_read(struct zebra_ns *zns);
 130
 131 #endif /* _ZEBRA_RT_H */