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 dp_results {
  46         DP_INSTALL_SUCCESS,
  47         DP_INSTALL_FAILURE,
  48         DP_DELETE_SUCCESS,
  49         DP_DELETE_FAILURE,
  50 };
  51
  52 enum dp_req_result {
  53         DP_REQUEST_QUEUED,
  54         DP_REQUEST_SUCCESS,
  55         DP_REQUEST_FAILURE,
  56 };
  57
  58 /*
  59  * Install/delete the specified prefix p from the kernel
  60  *
  61  * old = NULL, new = pointer - Install new
  62  * old = pointer, new = pointer - Route replace Old w/ New
  63  * old = pointer, new = NULL, - Route Delete
  64  *
  65  * Please note not all kernels support route replace
  66  * semantics so we will end up with a delete than
  67  * a re-add.
  68  */
  69 extern enum dp_req_result kernel_route_rib(struct route_node *rn,
  70                                            struct prefix *p,
  71                                            struct prefix *src_p,
  72                                            struct route_entry *old,
  73                                            struct route_entry *new);
  74
  75 /*
  76  * So route install/failure may not be immediately known
  77  * so let's separate it out and allow the result to
  78  * be passed back up.
  79  */
  80 extern void kernel_route_rib_pass_fail(struct route_node *rn, struct prefix *p,
  81                                        struct route_entry *re,
  82                                        enum dp_results res);
  83
  84 extern int kernel_address_add_ipv4(struct interface *, struct connected *);
  85 extern int kernel_address_delete_ipv4(struct interface *, struct connected *);
  86 extern int kernel_address_add_ipv6(struct interface *, struct connected *);
  87 extern int kernel_address_delete_ipv6(struct interface *, struct connected *);
  88 extern int kernel_neigh_update(int cmd, int ifindex, uint32_t addr, char *lla,
  89                                int llalen, ns_id_t ns_id);
  90 extern int kernel_interface_set_master(struct interface *master,
  91                                        struct interface *slave);
  92
  93 extern enum dp_req_result kernel_add_lsp(zebra_lsp_t *lsp);
  94 extern enum dp_req_result kernel_upd_lsp(zebra_lsp_t *lsp);
  95 extern enum dp_req_result kernel_del_lsp(zebra_lsp_t *lsp);
  96
  97 /*
  98  * Add the ability to pass back up the lsp install/delete
  99  * success/failure.
 100  *
 101  * This functions goal is similiar to kernel_route_rib_pass_fail
 102  * in that we are separating out the mechanics for
 103  * the install/failure to set/unset flags and to notify
 104  * as needed.
 105  */
 106 extern void kernel_lsp_pass_fail(zebra_lsp_t *lsp, enum dp_results res);
 107
 108 extern int mpls_kernel_init(void);
 109
 110 extern uint32_t kernel_get_speed(struct interface *ifp);
 111 extern int kernel_get_ipmr_sg_stats(struct zebra_vrf *zvrf, void *mroute);
 112 extern int kernel_add_vtep(vni_t vni, struct interface *ifp,
 113                            struct in_addr *vtep_ip);
 114 extern int kernel_del_vtep(vni_t vni, struct interface *ifp,
 115                            struct in_addr *vtep_ip);
 116 extern int kernel_add_mac(struct interface *ifp, vlanid_t vid,
 117                           struct ethaddr *mac, struct in_addr vtep_ip,
 118                           uint8_t sticky);
 119 extern int kernel_del_mac(struct interface *ifp, vlanid_t vid,
 120                           struct ethaddr *mac, struct in_addr vtep_ip,
 121                           int local);
 122
 123 extern int kernel_add_neigh(struct interface *ifp, struct ipaddr *ip,
 124                             struct ethaddr *mac);
 125 extern int kernel_del_neigh(struct interface *ifp, struct ipaddr *ip);
 126
 127 /*
 128  * Southbound Initialization routines to get initial starting
 129  * state.
 130  */
 131 extern void interface_list(struct zebra_ns *zns);
 132 extern void kernel_init(struct zebra_ns *zns);
 133 extern void kernel_terminate(struct zebra_ns *zns);
 134 extern void macfdb_read(struct zebra_ns *zns);
 135 extern void macfdb_read_for_bridge(struct zebra_ns *zns, struct interface *ifp,
 136                                    struct interface *br_if);
 137 extern void neigh_read(struct zebra_ns *zns);
 138 extern void neigh_read_for_vlan(struct zebra_ns *zns, struct interface *ifp);
 139 extern void route_read(struct zebra_ns *zns);
 140
 141 #endif /* _ZEBRA_RT_H */