zebra/rt_netlink.h

   1 /* Header file exported by rt_netlink.c to zebra.
   2  * Copyright (C) 1997, 98, 99 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #ifndef _ZEBRA_RT_NETLINK_H
  22 #define _ZEBRA_RT_NETLINK_H
  23
  24 #ifdef HAVE_NETLINK
  25
  26 #include "zebra/zebra_mpls.h"
  27 #include "zebra/zebra_dplane.h"
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 #define NL_DEFAULT_ROUTE_METRIC 20
  34
  35 /*
  36  * Additional protocol strings to push into routes
  37  * If we add anything new here please make sure
  38  * to update:
  39  * zebra2proto                 Function
  40  * proto2zebra                 Function
  41  * is_selfroute                Function
  42  * tools/frr                   To flush the route upon exit
  43  *
  44  * Finally update this file to allow iproute2 to
  45  * know about this new route.
  46  * tools/etc/iproute2/rt_protos.d
  47  */
  48 #define RTPROT_BGP         186
  49 #define RTPROT_ISIS        187
  50 #define RTPROT_OSPF        188
  51 #define RTPROT_RIP         189
  52 #define RTPROT_RIPNG       190
  53 #if !defined(RTPROT_BABEL)
  54 #define RTPROT_BABEL        42
  55 #endif
  56 #define RTPROT_NHRP        191
  57 #define RTPROT_EIGRP       192
  58 #define RTPROT_LDP         193
  59 #define RTPROT_SHARP       194
  60 #define RTPROT_PBR         195
  61 #define RTPROT_ZSTATIC     196
  62 #define RTPROT_OPENFABRIC  197
  63 #define RTPROT_SRTE        198
  64
  65 void rt_netlink_init(void);
  66
  67 /* MPLS label forwarding table change, using dataplane context information. */
  68 extern ssize_t netlink_mpls_multipath_msg_encode(int cmd,
  69                                                  struct zebra_dplane_ctx *ctx,
  70                                                  void *buf, size_t buflen);
  71
  72 extern ssize_t netlink_route_multipath_msg_encode(int cmd,
  73                                                   struct zebra_dplane_ctx *ctx,
  74                                                   uint8_t *data, size_t datalen,
  75                                                   bool fpm, bool force_nhg);
  76 extern ssize_t netlink_macfdb_update_ctx(struct zebra_dplane_ctx *ctx,
  77                                          void *data, size_t datalen);
  78
  79 extern int netlink_route_change(struct nlmsghdr *h, ns_id_t ns_id, int startup);
  80 extern int netlink_route_read(struct zebra_ns *zns);
  81
  82 extern int netlink_nexthop_change(struct nlmsghdr *h, ns_id_t ns_id,
  83                                   int startup);
  84 extern int netlink_nexthop_read(struct zebra_ns *zns);
  85 extern ssize_t netlink_nexthop_msg_encode(uint16_t cmd,
  86                                           const struct zebra_dplane_ctx *ctx,
  87                                           void *buf, size_t buflen);
  88
  89 extern ssize_t netlink_lsp_msg_encoder(struct zebra_dplane_ctx *ctx, void *buf,
  90                                        size_t buflen);
  91
  92 extern int netlink_neigh_change(struct nlmsghdr *h, ns_id_t ns_id);
  93 extern int netlink_macfdb_read(struct zebra_ns *zns);
  94 extern int netlink_macfdb_read_for_bridge(struct zebra_ns *zns,
  95                                           struct interface *ifp,
  96                                           struct interface *br_if);
  97 extern int netlink_neigh_read(struct zebra_ns *zns);
  98 extern int netlink_neigh_read_for_vlan(struct zebra_ns *zns,
  99                                        struct interface *vlan_if);
 100 extern int netlink_macfdb_read_specific_mac(struct zebra_ns *zns,
 101                                             struct interface *br_if,
 102                                             const struct ethaddr *mac,
 103                                             uint16_t vid);
 104 extern int netlink_neigh_read_specific_ip(const struct ipaddr *ip,
 105                                           struct interface *vlan_if);
 106 extern vrf_id_t vrf_lookup_by_table(uint32_t table_id, ns_id_t ns_id);
 107
 108 struct nl_batch;
 109 extern enum netlink_msg_status
 110 netlink_put_route_update_msg(struct nl_batch *bth,
 111                              struct zebra_dplane_ctx *ctx);
 112 extern enum netlink_msg_status
 113 netlink_put_nexthop_update_msg(struct nl_batch *bth,
 114                                struct zebra_dplane_ctx *ctx);
 115 extern enum netlink_msg_status
 116 netlink_put_mac_update_msg(struct nl_batch *bth, struct zebra_dplane_ctx *ctx);
 117 extern enum netlink_msg_status
 118 netlink_put_neigh_update_msg(struct nl_batch *bth,
 119                              struct zebra_dplane_ctx *ctx);
 120 extern enum netlink_msg_status
 121 netlink_put_lsp_update_msg(struct nl_batch *bth, struct zebra_dplane_ctx *ctx);
 122 extern enum netlink_msg_status
 123 netlink_put_pw_update_msg(struct nl_batch *bth, struct zebra_dplane_ctx *ctx);
 124
 125 #ifdef NETLINK_DEBUG
 126 const char *nlmsg_type2str(uint16_t type);
 127 const char *af_type2str(int type);
 128 const char *ifi_type2str(int type);
 129 const char *rta_type2str(int type);
 130 const char *rtm_type2str(int type);
 131 const char *rtm_protocol2str(int type);
 132 const char *rtm_scope2str(int type);
 133 const char *rtm_rta2str(int type);
 134 const char *neigh_rta2str(int type);
 135 const char *ifa_rta2str(int type);
 136 const char *nhm_rta2str(int type);
 137 const char *nlmsg_flags2str(uint16_t flags, char *buf, size_t buflen);
 138 const char *if_flags2str(uint32_t flags, char *buf, size_t buflen);
 139 const char *rtm_flags2str(uint32_t flags, char *buf, size_t buflen);
 140 const char *neigh_state2str(uint32_t flags, char *buf, size_t buflen);
 141 const char *neigh_flags2str(uint32_t flags, char *buf, size_t buflen);
 142 const char *ifa_flags2str(uint32_t flags, char *buf, size_t buflen);
 143 const char *nh_flags2str(uint32_t flags, char *buf, size_t buflen);
 144
 145 void nl_dump(void *msg, size_t msglen);
 146 #endif /* NETLINK_DEBUG */
 147
 148 #ifdef __cplusplus
 149 }
 150 #endif
 151
 152 #endif /* HAVE_NETLINK */
 153
 154 #endif /* _ZEBRA_RT_NETLINK_H */