nat: move dslite to separate sub-plugin

Type: refactor
Change-Id: If3d9f16f3a06c10b354f1eef674e8db5f3c44de7
Signed-off-by: Ole Troan <ot@cisco.com>

1 files changed, 0 insertions, 271 deletions

diff --git a/src/plugins/nat/dslite.c b/src/plugins/nat/dslite.c
deleted file mode 100644
index d9a17293fac..00000000000
--- a/src/plugins/nat/dslite.c
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright (c) 2017 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 <nat/dslite.h>
-#include <nat/dslite_dpo.h>
-#include <vnet/fib/fib_table.h>
-
-dslite_main_t dslite_main;
-
-void
-dslite_init (vlib_main_t * vm)
-{
-  dslite_main_t *dm = &dslite_main;
-  vlib_thread_registration_t *tr;
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-  uword *p;
-  vlib_node_t *node;
-  dslite_per_thread_data_t *td;
-  u32 translation_buckets = 1024;
-  u32 translation_memory_size = 128 << 20;
-  u32 b4_buckets = 128;
-  u32 b4_memory_size = 64 << 20;
-
-  node = vlib_get_node_by_name (vm, (u8 *) "dslite-in2out");
-  dm->dslite_in2out_node_index = node->index;
-
-  node = vlib_get_node_by_name (vm, (u8 *) "dslite-in2out-slowpath");
-  dm->dslite_in2out_slowpath_node_index = node->index;
-
-  node = vlib_get_node_by_name (vm, (u8 *) "dslite-out2in");
-  dm->dslite_out2in_node_index = node->index;
-
-  dm->first_worker_index = 0;
-  dm->num_workers = 0;
-
-  p = hash_get_mem (tm->thread_registrations_by_name, "workers");
-  if (p)
-    {
-      tr = (vlib_thread_registration_t *) p[0];
-      if (tr)
-	{
-	  dm->num_workers = tr->count;
-	  dm->first_worker_index = tr->first_index;
-	}
-    }
-
-  if (dm->num_workers)
-    dm->port_per_thread = (0xffff - 1024) / dm->num_workers;
-  else
-    dm->port_per_thread = 0xffff - 1024;
-
-  vec_validate (dm->per_thread_data, tm->n_vlib_mains - 1);
-
-  /* *INDENT-OFF* */
-  vec_foreach (td, dm->per_thread_data)
-    {
-      clib_bihash_init_24_8 (&td->in2out, "in2out", translation_buckets,
-                             translation_memory_size);
-
-      clib_bihash_init_8_8 (&td->out2in, "out2in", translation_buckets,
-                            translation_memory_size);
-
-      clib_bihash_init_16_8 (&td->b4_hash, "b4s", b4_buckets, b4_memory_size);
-    }
-  /* *INDENT-ON* */
-
-  dm->is_ce = 0;
-
-  /* Init counters */
-  dm->total_b4s.name = "total-b4s";
-  dm->total_b4s.stat_segment_name = "/dslite/total-b4s";
-  vlib_validate_simple_counter (&dm->total_b4s, 0);
-  vlib_zero_simple_counter (&dm->total_b4s, 0);
-  dm->total_sessions.name = "total-sessions";
-  dm->total_sessions.stat_segment_name = "/dslite/total-sessions";
-  vlib_validate_simple_counter (&dm->total_sessions, 0);
-  vlib_zero_simple_counter (&dm->total_sessions, 0);
-
-  dslite_dpo_module_init ();
-}
-
-void
-dslite_set_ce (dslite_main_t * dm, u8 set)
-{
-  dm->is_ce = (set != 0);
-}
-
-int
-dslite_set_aftr_ip6_addr (dslite_main_t * dm, ip6_address_t * addr)
-{
-  dpo_id_t dpo = DPO_INVALID;
-
-  if (dm->is_ce)
-    {
-      dslite_ce_dpo_create (DPO_PROTO_IP4, 0, &dpo);
-      fib_prefix_t pfx = {
-	.fp_proto = FIB_PROTOCOL_IP4,
-	.fp_len = 0,
-	.fp_addr.ip4.as_u32 = 0,
-      };
-      fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi,
-				       FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
-    }
-  else
-    {
-      dslite_dpo_create (DPO_PROTO_IP6, 0, &dpo);
-      fib_prefix_t pfx = {
-	.fp_proto = FIB_PROTOCOL_IP6,
-	.fp_len = 128,
-	.fp_addr.ip6.as_u64[0] = addr->as_u64[0],
-	.fp_addr.ip6.as_u64[1] = addr->as_u64[1],
-      };
-      fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi,
-				       FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
-    }
-
-  dpo_reset (&dpo);
-
-  dm->aftr_ip6_addr.as_u64[0] = addr->as_u64[0];
-  dm->aftr_ip6_addr.as_u64[1] = addr->as_u64[1];
-  return 0;
-}
-
-int
-dslite_set_aftr_ip4_addr (dslite_main_t * dm, ip4_address_t * addr)
-{
-  dm->aftr_ip4_addr.as_u32 = addr->as_u32;
-  return 0;
-}
-
-int
-dslite_set_b4_ip6_addr (dslite_main_t * dm, ip6_address_t * addr)
-{
-  if (dm->is_ce)
-    {
-      dpo_id_t dpo = DPO_INVALID;
-
-      dslite_ce_dpo_create (DPO_PROTO_IP6, 0, &dpo);
-      fib_prefix_t pfx = {
-	.fp_proto = FIB_PROTOCOL_IP6,
-	.fp_len = 128,
-	.fp_addr.ip6.as_u64[0] = addr->as_u64[0],
-	.fp_addr.ip6.as_u64[1] = addr->as_u64[1],
-      };
-      fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi,
-				       FIB_ENTRY_FLAG_EXCLUSIVE, &dpo);
-
-      dpo_reset (&dpo);
-
-      dm->b4_ip6_addr.as_u64[0] = addr->as_u64[0];
-      dm->b4_ip6_addr.as_u64[1] = addr->as_u64[1];
-    }
-  else
-    {
-      return VNET_API_ERROR_FEATURE_DISABLED;
-    }
-
-  return 0;
-}
-
-int
-dslite_set_b4_ip4_addr (dslite_main_t * dm, ip4_address_t * addr)
-{
-  if (dm->is_ce)
-    {
-      dm->b4_ip4_addr.as_u32 = addr->as_u32;
-    }
-  else
-    {
-      return VNET_API_ERROR_FEATURE_DISABLED;
-    }
-
-  return 0;
-}
-
-int
-dslite_add_del_pool_addr (dslite_main_t * dm, ip4_address_t * addr, u8 is_add)
-{
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-  snat_address_t *a = 0;
-  int i = 0;
-  dpo_id_t dpo_v4 = DPO_INVALID;
-  fib_prefix_t pfx = {
-    .fp_proto = FIB_PROTOCOL_IP4,
-    .fp_len = 32,
-    .fp_addr.ip4.as_u32 = addr->as_u32,
-  };
-
-  for (i = 0; i < vec_len (dm->addr_pool); i++)
-    {
-      if (dm->addr_pool[i].addr.as_u32 == addr->as_u32)
-	{
-	  a = dm->addr_pool + i;
-	  break;
-	}
-    }
-  if (is_add)
-    {
-      if (a)
-	return VNET_API_ERROR_VALUE_EXIST;
-      vec_add2 (dm->addr_pool, a, 1);
-      a->addr = *addr;
-#define _(N, i, n, s) \
-      clib_bitmap_alloc (a->busy_##n##_port_bitmap, 65535); \
-      a->busy_##n##_ports = 0; \
-      vec_validate_init_empty (a->busy_##n##_ports_per_thread, tm->n_vlib_mains - 1, 0);
-      foreach_snat_protocol
-#undef _
-	dslite_dpo_create (DPO_PROTO_IP4, 0, &dpo_v4);
-      fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi,
-				       FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v4);
-      dpo_reset (&dpo_v4);
-    }
-  else
-    {
-      if (!a)
-	return VNET_API_ERROR_NO_SUCH_ENTRY;
-#define _(N, id, n, s) \
-      clib_bitmap_free (a->busy_##n##_port_bitmap); \
-      vec_free (a->busy_##n##_ports_per_thread);
-      foreach_snat_protocol
-#undef _
-	fib_table_entry_special_remove (0, &pfx, nat_fib_src_hi);
-      vec_del1 (dm->addr_pool, i);
-    }
-  return 0;
-}
-
-u8 *
-format_dslite_trace (u8 * s, va_list * args)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
-  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
-  dslite_trace_t *t = va_arg (*args, dslite_trace_t *);
-
-  s =
-    format (s, "next index %d, session %d", t->next_index, t->session_index);
-
-  return s;
-}
-
-u8 *
-format_dslite_ce_trace (u8 * s, va_list * args)
-{
-  CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *);
-  CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *);
-  dslite_ce_trace_t *t = va_arg (*args, dslite_ce_trace_t *);
-
-  s = format (s, "next index %d", t->next_index);
-
-  return s;
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */