ip: Move the IP6 fib into ip6_[m]fib.c
[vpp.git] / src / vnet / ip / ip6.h
index 28b1af7..fcb1803 100644 (file)
 #include <vnet/ethernet/packet.h>
 #include <vnet/ethernet/mac_address.h>
 #include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip46_address.h>
 #include <vnet/ip/ip6_hop_by_hop_packet.h>
 #include <vnet/ip/lookup.h>
+#include <vnet/ip/ip_interface.h>
 #include <stdbool.h>
-#include <vppinfra/bihash_24_8.h>
-#include <vppinfra/bihash_40_8.h>
-#include <vppinfra/bihash_template.h>
 #include <vnet/util/radix.h>
 #include <vnet/util/throttle.h>
 
-/*
- * Default size of the ip6 fib hash table
- */
-#define IP6_FIB_DEFAULT_HASH_NUM_BUCKETS (64 * 1024)
-#define IP6_FIB_DEFAULT_HASH_MEMORY_SIZE (32<<20)
-
 typedef struct
 {
   ip6_address_t addr;
@@ -115,67 +108,8 @@ typedef struct
   uword function_opaque;
 } ip6_table_bind_callback_t;
 
-/**
- * Enumeration of the FIB table instance types
- */
-typedef enum ip6_fib_table_instance_type_t_
-{
-    /**
-     * This table stores the routes that are used to forward traffic.
-     * The key is the prefix, the result the adjacency to forward on.
-     */
-  IP6_FIB_TABLE_FWDING,
-    /**
-     * The table that stores ALL routes learned by the DP.
-     * Some of these routes may not be ready to install in forwarding
-     * at a given time.
-     * The key in this table is the prefix, the result is the fib_entry_t
-     */
-  IP6_FIB_TABLE_NON_FWDING,
-} ip6_fib_table_instance_type_t;
-
-#define IP6_FIB_NUM_TABLES (IP6_FIB_TABLE_NON_FWDING+1)
-
-/**
- * A representation of a single IP6 table
- */
-typedef struct ip6_fib_table_instance_t_
-{
-  /* The hash table */
-  clib_bihash_24_8_t ip6_hash;
-
-  /* bitmap / refcounts / vector of mask widths to search */
-  uword *non_empty_dst_address_length_bitmap;
-  u8 *prefix_lengths_in_search_order;
-  i32 dst_address_length_refcounts[129];
-} ip6_fib_table_instance_t;
-
-/**
- * A representation of a single IP6 mfib table
- */
-typedef struct ip6_mfib_table_instance_t_
-{
-  /* The hash table */
-  clib_bihash_40_8_t ip6_mhash;
-
-  /* bitmap / refcounts / vector of mask widths to search */
-  uword *non_empty_dst_address_length_bitmap;
-  u16 *prefix_lengths_in_search_order;
-  i32 dst_address_length_refcounts[257];
-} ip6_mfib_table_instance_t;
-
 typedef struct ip6_main_t
 {
-  /**
-   * The two FIB tables; fwding and non-fwding
-   */
-  ip6_fib_table_instance_t ip6_table[IP6_FIB_NUM_TABLES];
-
-  /**
-   * the single MFIB table
-   */
-  ip6_mfib_table_instance_t ip6_mtable;
-
   ip_lookup_main_t lookup_main;
 
   /* Pool of FIBs. */
@@ -217,13 +151,6 @@ typedef struct ip6_main_t
   /** Functions to call when interface to table biding changes. */
   ip6_table_bind_callback_t *table_bind_callbacks;
 
-  /* Template used to generate IP6 neighbor solicitation packets. */
-  vlib_packet_template_t discover_neighbor_packet_template;
-
-  /* ip6 lookup table config parameters */
-  u32 lookup_table_nbuckets;
-  uword lookup_table_size;
-
   /* Seed for Jenkins hash used to compute ip6 flow hash. */
   u32 flow_hash_seed;
 
@@ -255,6 +182,7 @@ extern vlib_node_registration_t ip6_rewrite_local_node;
 extern vlib_node_registration_t ip6_discover_neighbor_node;
 extern vlib_node_registration_t ip6_glean_node;
 extern vlib_node_registration_t ip6_midchain_node;
+extern vlib_node_registration_t ip6_punt_node;
 
 extern void ip6_forward_next_trace (vlib_main_t * vm,
                                    vlib_node_runtime_t * node,
@@ -302,42 +230,10 @@ ip6_unaligned_destination_matches_route (ip6_main_t * im,
   return 1;
 }
 
-extern int ip6_get_ll_address (u32 sw_if_index, ip6_address_t * addr);
-
-always_inline int
-ip6_src_address_for_packet (ip_lookup_main_t * lm,
-                           u32 sw_if_index,
-                           const ip6_address_t * dst, ip6_address_t * src)
-{
-  if (ip6_address_is_link_local_unicast (dst))
-    {
-      return ip6_get_ll_address (sw_if_index, src);
-    }
-  else
-    {
-      u32 if_add_index =
-       lm->if_address_pool_index_by_sw_if_index[sw_if_index];
-      if (PREDICT_TRUE (if_add_index != ~0))
-       {
-         ip_interface_address_t *if_add =
-           pool_elt_at_index (lm->if_address_pool, if_add_index);
-         ip6_address_t *if_ip =
-           ip_interface_address_get_address (lm, if_add);
-         *src = *if_ip;
-         return (!0);
-       }
-    }
-
-  src->as_u64[0] = 0;
-  src->as_u64[1] = 0;
-
-  return (0);
-}
-
 /* Find interface address which matches destination. */
 always_inline ip6_address_t *
 ip6_interface_address_matching_destination (ip6_main_t * im,
-                                           ip6_address_t * dst,
+                                           const ip6_address_t * dst,
                                            u32 sw_if_index,
                                            ip_interface_address_t **
                                            result_ia)
@@ -370,15 +266,12 @@ clib_error_t *ip6_add_del_interface_address (vlib_main_t * vm,
 void ip6_sw_interface_enable_disable (u32 sw_if_index, u32 is_enable);
 
 /**
- * @brie get first IPv6 interface address
+ * @brief get first IPv6 interface address
  */
 ip6_address_t *ip6_interface_first_address (ip6_main_t * im, u32 sw_if_index);
 
 int ip6_address_compare (ip6_address_t * a1, ip6_address_t * a2);
 
-clib_error_t *ip6_probe_neighbor (vlib_main_t * vm, ip6_address_t * dst,
-                                 u32 sw_if_index, u8 refresh);
-
 uword
 ip6_udp_register_listener (vlib_main_t * vm,
                           u16 dst_port, u32 next_node_index);
@@ -393,74 +286,9 @@ void ip6_local_hop_by_hop_register_protocol (u32 protocol, u32 node_index);
 
 serialize_function_t serialize_vnet_ip6_main, unserialize_vnet_ip6_main;
 
-void ip6_ethernet_update_adjacency (vnet_main_t * vnm,
-                                   u32 sw_if_index, u32 ai);
-
-always_inline void
-ip6_link_local_address_from_ethernet_mac_address (ip6_address_t * ip,
-                                                 u8 * mac)
-{
-  ip->as_u64[0] = clib_host_to_net_u64 (0xFE80000000000000ULL);
-  /* Invert the "u" bit */
-  ip->as_u8[8] = mac[0] ^ (1 << 1);
-  ip->as_u8[9] = mac[1];
-  ip->as_u8[10] = mac[2];
-  ip->as_u8[11] = 0xFF;
-  ip->as_u8[12] = 0xFE;
-  ip->as_u8[13] = mac[3];
-  ip->as_u8[14] = mac[4];
-  ip->as_u8[15] = mac[5];
-}
-
-always_inline void
-ip6_ethernet_mac_address_from_link_local_address (u8 * mac,
-                                                 ip6_address_t * ip)
-{
-  /* Invert the previously inverted "u" bit */
-  mac[0] = ip->as_u8[8] ^ (1 << 1);
-  mac[1] = ip->as_u8[9];
-  mac[2] = ip->as_u8[10];
-  mac[3] = ip->as_u8[13];
-  mac[4] = ip->as_u8[14];
-  mac[5] = ip->as_u8[15];
-}
-
 int vnet_set_ip6_flow_hash (u32 table_id,
                            flow_hash_config_t flow_hash_config);
 
-clib_error_t *enable_ip6_interface (vlib_main_t * vm, u32 sw_if_index);
-
-clib_error_t *disable_ip6_interface (vlib_main_t * vm, u32 sw_if_index);
-
-int ip6_interface_enabled (vlib_main_t * vm, u32 sw_if_index);
-
-clib_error_t *set_ip6_link_local_address (vlib_main_t * vm,
-                                         u32 sw_if_index,
-                                         ip6_address_t * address);
-
-typedef int (*ip6_nd_change_event_cb_t) (u32 pool_index,
-                                        const mac_address_t * new_mac,
-                                        u32 sw_if_index,
-                                        const ip6_address_t * address);
-
-int vnet_add_del_ip6_nd_change_event (vnet_main_t * vnm,
-                                     ip6_nd_change_event_cb_t data_callback,
-                                     u32 pid,
-                                     void *address_arg,
-                                     uword node_index,
-                                     uword type_opaque,
-                                     uword data, int is_add);
-
-int vnet_ip6_nd_term (vlib_main_t * vm,
-                     vlib_node_runtime_t * node,
-                     vlib_buffer_t * p0,
-                     ethernet_header_t * eth,
-                     ip6_header_t * ip, u32 sw_if_index, u16 bd_index);
-
-void send_ip6_na (vlib_main_t * vm, u32 sw_if_index);
-void send_ip6_na_w_addr (vlib_main_t * vm,
-                        const ip6_address_t * addr, u32 sw_if_index);
-
 u8 *format_ip6_forward_next_trace (u8 * s, va_list * args);
 
 u32 ip6_tcp_udp_icmp_validate_checksum (vlib_main_t * vm, vlib_buffer_t * p0);
@@ -710,6 +538,16 @@ vlib_buffer_push_ip6 (vlib_main_t * vm, vlib_buffer_t * b,
                                      0 /* flow label */ );
 
 }
+
+always_inline u32
+vlib_buffer_get_ip6_fib_index (vlib_buffer_t * b)
+{
+  u32 fib_index, sw_if_index;
+  sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_RX];
+  fib_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
+  return (fib_index == (u32) ~ 0) ?
+    vec_elt (ip6_main.fib_index_by_sw_if_index, sw_if_index) : fib_index;
+}
 #endif /* included_ip_ip6_h */
 
 /*