6rd: Move to plugin

[vpp.git] / vnet / vnet / map / sixrd.h

diff --git a/vnet/vnet/map/sixrd.h b/vnet/vnet/map/sixrd.h
deleted file mode 100644 (file)
index 388ba4d..0000000
--- a/vnet/vnet/map/sixrd.h
+++ /dev/null
@@ -1,141 +0,0 @@
-/*---------------------------------------------------------------------------
- * Copyright (c) 2009-2014 Cisco and/or its affiliates.
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at:
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *---------------------------------------------------------------------------
- */
-#include <stdbool.h>
-#include <vppinfra/error.h>
-#include <vnet/vnet.h>
-#include <vnet/ip/ip.h>
-
-int sixrd_create_domain(ip6_address_t *ip6_prefix, u8 ip6_prefix_len,
-                       ip4_address_t *ip4_prefix, u8 ip4_prefix_len,
-                       ip4_address_t *ip4_src, u32 *sixrd_domain_index, u16 mtu);
-int sixrd_delete_domain(u32 sixrd_domain_index);
-u8 *format_sixrd_trace(u8 *s, va_list *args);
-
-typedef struct {
-  ip6_address_t ip6_prefix;
-  ip4_address_t ip4_prefix;
-  ip4_address_t ip4_src;
-  u8 ip6_prefix_len;
-  u8 ip4_prefix_len;
-
-  /* helpers */
-  u8 shift;
-
-  u16 mtu;
-} sixrd_domain_t;
-
-typedef struct {
-  /* pool of SIXRD domains */
-  sixrd_domain_t *domains;
-
-  /* convenience */
-  vlib_main_t *vlib_main;
-  vnet_main_t *vnet_main;
-} sixrd_main_t;
-
-#define foreach_sixrd_error                            \
-  /* Must be first. */                                 \
- _(NONE, "valid SIXRD packets")                                \
- _(BAD_PROTOCOL, "bad protocol")                       \
- _(WRONG_ICMP_TYPE, "wrong icmp type")                 \
- _(SEC_CHECK, "security check failed")                 \
- _(ICMP, "unable to translate ICMP")                   \
- _(UNKNOWN, "unknown")                                 \
- _(NO_DOMAIN, "no domain")                             \
- _(ENCAPSULATED, "encapsulated")                       \
- _(DECAPSULATED, "decapsulated")                       \
- _(TRANSLATED_4TO6, "translated 4 to 6")               \
- _(TRANSLATED_6TO4, "translated 6 to 4")               \
- _(FRAGMENT, "fragment handling error")                        \
- _(FRAGMENT_QUEUED, "dropped, missing first fragment") \
- _(FRAGMENTED, "packets requiring fragmentation")      \
- _(FRAGMENT_PARTS, "fragment parts")                    \
- _(MALFORMED, "malformed packet")
-
-typedef enum {
-#define _(sym,str) SIXRD_ERROR_##sym,
-   foreach_sixrd_error
-#undef _
-   SIXRD_N_ERROR,
- } sixrd_error_t;
-
-typedef struct {
-  u32 sixrd_domain_index;
-} sixrd_trace_t;
-
-sixrd_main_t sixrd_main;
-
-/*
- * sixrd_get_addr
- */
-static_always_inline u32
-sixrd_get_addr (sixrd_domain_t *d, u64 dal)
-{
-
-  /* 1:1 mode */
-  if (d->ip4_prefix_len == 32) return (d->ip4_prefix.as_u32);
-
-  /* Grab 32 - ip4_prefix_len bits out of IPv6 address from offset ip6_prefix_len */
-  return (d->ip4_prefix.as_u32 | (u32)(dal >> d->shift));
-}
-
-/*
- * Get the SIXRD domain from an IPv6 lookup adjacency.
- */
-static_always_inline sixrd_domain_t *
-ip6_sixrd_get_domain (u32 adj_index, u32 *sixrd_domain_index)
-{
-  sixrd_main_t *mm = &sixrd_main;
-  ip_lookup_main_t *lm = &ip6_main.lookup_main;
-  ip_adjacency_t *adj = ip_get_adjacency(lm, adj_index);
-  ASSERT(adj);
-  uword *p = (uword *)adj->rewrite_data;
-  ASSERT(p);
-  *sixrd_domain_index = p[0];
-  return pool_elt_at_index(mm->domains, p[0]);
-}
-
-/*
- * Get the SIXRD domain from an IPv4 lookup adjacency.
- * If the IPv4 address is not shared, no lookup is required.
- * The IPv6 address is used otherwise.
- */
-static_always_inline sixrd_domain_t *
-ip4_sixrd_get_domain (u32 adj_index, ip6_address_t *addr,
-                     u32 *sixrd_domain_index, u8 *error)
-{
-  sixrd_main_t *mm = &sixrd_main;
-  ip6_main_t *im6 = &ip6_main;
-  ip_lookup_main_t *lm4 = &ip4_main.lookup_main;
-  ip_lookup_main_t *lm6 = &ip6_main.lookup_main;
-  ip_adjacency_t *adj = ip_get_adjacency(lm4, adj_index);
-  ASSERT(adj);
-  uword *p = (uword *)adj->rewrite_data;
-  ASSERT(p);
-  *sixrd_domain_index = p[0];
-  if (p[0] != ~0)
-    return pool_elt_at_index(mm->domains, p[0]);
-
-  u32 ai = ip6_fib_lookup_with_table(im6, 0, addr);
-  ip_adjacency_t *adj6 = ip_get_adjacency (lm6, ai);
-  if (PREDICT_TRUE(adj6->lookup_next_index == IP_LOOKUP_NEXT_SIXRD)) {
-    uword *p = (uword *)adj6->rewrite_data;
-    *sixrd_domain_index = p[0];
-    return pool_elt_at_index(mm->domains, *sixrd_domain_index);
-  }
-  *error = SIXRD_ERROR_NO_DOMAIN;
-  return NULL;
-}