src/vnet/ip/ip6_neighbor.h

   1 /*
   2  *
   3  * ip6_neighboor.h: ip6 neighbor structures
   4  *
   5  * Copyright (c) 2016 Cisco and/or its affiliates.
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at:
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 #ifndef included_ip6_neighbor_h
  20 #define included_ip6_neighbor_h
  21
  22 #include <vnet/fib/fib_types.h>
  23
  24 typedef struct
  25 {
  26   ip6_address_t ip6_address;
  27   u32 sw_if_index;
  28   u32 pad;
  29 } ip6_neighbor_key_t;
  30
  31 typedef enum ip6_neighbor_flags_t_
  32 {
  33   IP6_NEIGHBOR_FLAG_STATIC = (1 << 0),
  34   IP6_NEIGHBOR_FLAG_DYNAMIC = (1 << 1),
  35   IP6_NEIGHBOR_FLAG_NO_FIB_ENTRY = (1 << 2),
  36 } __attribute__ ((packed)) ip6_neighbor_flags_t;
  37
  38 typedef struct
  39 {
  40   ip6_neighbor_key_t key;
  41   u8 link_layer_address[8];
  42   ip6_neighbor_flags_t flags;
  43   f64 time_last_updated;
  44   fib_node_index_t fib_entry_index;
  45 } ip6_neighbor_t;
  46
  47 extern ip6_neighbor_t *ip6_neighbors_pool (void);
  48
  49 extern ip6_neighbor_t *ip6_neighbors_entries (u32 sw_if_index);
  50
  51 extern int ip6_neighbor_ra_config (vlib_main_t * vm, u32 sw_if_index,
  52                                    u8 suppress, u8 managed, u8 other,
  53                                    u8 ll_option, u8 send_unicast, u8 cease,
  54                                    u8 use_lifetime, u32 lifetime,
  55                                    u32 initial_count, u32 initial_interval,
  56                                    u32 max_interval, u32 min_interval,
  57                                    u8 is_no);
  58
  59 extern int ip6_neighbor_ra_prefix (vlib_main_t * vm, u32 sw_if_index,
  60                                    ip6_address_t * prefix_addr, u8 prefix_len,
  61                                    u8 use_default, u32 val_lifetime,
  62                                    u32 pref_lifetime, u8 no_advertise,
  63                                    u8 off_link, u8 no_autoconfig,
  64                                    u8 no_onlink, u8 is_no);
  65
  66 extern clib_error_t *ip6_set_neighbor_limit (u32 neighbor_limit);
  67
  68 extern void vnet_register_ip6_neighbor_resolution_event (vnet_main_t * vnm,
  69                                                          void *address_arg,
  70                                                          uword node_index,
  71                                                          uword type_opaque,
  72                                                          uword data);
  73
  74 extern int vnet_set_ip6_ethernet_neighbor (vlib_main_t * vm,
  75                                            u32 sw_if_index,
  76                                            ip6_address_t * a,
  77                                            u8 * link_layer_address,
  78                                            uword n_bytes_link_layer_address,
  79                                            int is_static,
  80                                            int is_no_fib_entry);
  81
  82 extern int vnet_unset_ip6_ethernet_neighbor (vlib_main_t * vm,
  83                                              u32 sw_if_index,
  84                                              ip6_address_t * a,
  85                                              u8 * link_layer_address,
  86                                              uword
  87                                              n_bytes_link_layer_address);
  88
  89 extern int ip6_neighbor_proxy_add_del (u32 sw_if_index,
  90                                        ip6_address_t * addr, u8 is_add);
  91
  92 u32 ip6_neighbor_sw_interface_add_del (vnet_main_t * vnm, u32 sw_if_index,
  93                                        u32 is_add);
  94 typedef struct
  95 {
  96   u32 sw_if_index;
  97   ip6_address_t ip6;
  98   u8 mac[6];
  99 } wc_nd_report_t;
 100
 101 void wc_nd_set_publisher_node (uword node_index, uword event_type);
 102
 103 typedef struct
 104 {
 105   u32 irt;
 106   u32 mrt;
 107   u32 mrc;
 108   u32 mrd;
 109 } icmp6_send_router_solicitation_params_t;
 110
 111 void icmp6_send_router_solicitation (vlib_main_t * vm, u32 sw_if_index,
 112                                      u8 stop,
 113                                      icmp6_send_router_solicitation_params_t *
 114                                      params);
 115
 116 typedef struct
 117 {
 118   ip6_address_t dst_address;
 119   u8 dst_address_length;
 120   u8 flags;
 121   u32 valid_time;
 122   u32 preferred_time;
 123 } ra_report_prefix_info_t;
 124
 125 typedef struct
 126 {
 127   u32 sw_if_index;
 128   u8 router_address[16];
 129   u8 current_hop_limit;
 130   u8 flags;
 131   u16 router_lifetime_in_sec;
 132   u32 neighbor_reachable_time_in_msec;
 133   u32 time_in_msec_between_retransmitted_neighbor_solicitations;
 134   u8 slla[6];
 135   u32 mtu;
 136   ra_report_prefix_info_t *prefixes;
 137 } ra_report_t;
 138
 139 void ra_set_publisher_node (uword node_index, uword event_type);
 140
 141 #endif /* included_ip6_neighbor_h */
 142
 143 /*
 144  * fd.io coding-style-patch-verification: ON
 145  *
 146  * Local Variables:
 147  * eval: (c-set-style "gnu")
 148  * End:
 149  */