Move java,lua api and remaining plugins to src/

Change-Id: I1c3b87e886603678368428ae56a6bd3327cbc90d
Signed-off-by: Damjan Marion <damarion@cisco.com>

1 files changed, 0 insertions, 844 deletions

diff --git a/plugins/lb-plugin/lb/lb.c b/plugins/lb-plugin/lb/lb.c
deleted file mode 100644
index 1d9b987095b..00000000000
--- a/plugins/lb-plugin/lb/lb.c
+++ /dev/null
@@ -1,844 +0,0 @@
-/*
- * Copyright (c) 2016 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 <lb/lb.h>
-#include <vnet/plugin/plugin.h>
-#include <vnet/api_errno.h>
-
-//GC runs at most once every so many seconds
-#define LB_GARBAGE_RUN 60
-
-//After so many seconds. It is assumed that inter-core race condition will not occur.
-#define LB_CONCURRENCY_TIMEOUT 10
-
-lb_main_t lb_main;
-
-#define lb_get_writer_lock() do {} while(__sync_lock_test_and_set (lb_main.writer_lock, 1))
-#define lb_put_writer_lock() lb_main.writer_lock[0] = 0
-
-static void lb_as_stack (lb_as_t *as);
-
-
-const static char * const lb_dpo_gre4_ip4[] = { "lb4-gre4" , NULL };
-const static char * const lb_dpo_gre4_ip6[] = { "lb6-gre4" , NULL };
-const static char* const * const lb_dpo_gre4_nodes[DPO_PROTO_NUM] =
-    {
-	[DPO_PROTO_IP4]  = lb_dpo_gre4_ip4,
-	[DPO_PROTO_IP6]  = lb_dpo_gre4_ip6,
-    };
-
-const static char * const lb_dpo_gre6_ip4[] = { "lb4-gre6" , NULL };
-const static char * const lb_dpo_gre6_ip6[] = { "lb6-gre6" , NULL };
-const static char* const * const lb_dpo_gre6_nodes[DPO_PROTO_NUM] =
-    {
-	[DPO_PROTO_IP4]  = lb_dpo_gre6_ip4,
-	[DPO_PROTO_IP6]  = lb_dpo_gre6_ip6,
-    };
-
-u32 lb_hash_time_now(vlib_main_t * vm)
-{
-  return (u32) (vlib_time_now(vm) + 10000);
-}
-
-u8 *format_lb_main (u8 * s, va_list * args)
-{
-  vlib_thread_main_t *tm = vlib_get_thread_main();
-  lb_main_t *lbm = &lb_main;
-  s = format(s, "lb_main");
-  s = format(s, " ip4-src-address: %U \n", format_ip4_address, &lbm->ip4_src_address);
-  s = format(s, " ip6-src-address: %U \n", format_ip6_address, &lbm->ip6_src_address);
-  s = format(s, " #vips: %u\n", pool_elts(lbm->vips));
-  s = format(s, " #ass: %u\n", pool_elts(lbm->ass) - 1);
-
-  u32 cpu_index;
-  for(cpu_index = 0; cpu_index < tm->n_vlib_mains; cpu_index++ ) {
-    lb_hash_t *h = lbm->per_cpu[cpu_index].sticky_ht;
-    if (h) {
-      s = format(s, "core %d\n", cpu_index);
-      s = format(s, "  timeout: %ds\n", h->timeout);
-      s = format(s, "  usage: %d / %d\n", lb_hash_elts(h, lb_hash_time_now(vlib_get_main())),  lb_hash_size(h));
-    }
-  }
-
-  return s;
-}
-
-static char *lb_vip_type_strings[] = {
-    [LB_VIP_TYPE_IP6_GRE6] = "ip6-gre6",
-    [LB_VIP_TYPE_IP6_GRE4] = "ip6-gre4",
-    [LB_VIP_TYPE_IP4_GRE6] = "ip4-gre6",
-    [LB_VIP_TYPE_IP4_GRE4] = "ip4-gre4",
-};
-
-u8 *format_lb_vip_type (u8 * s, va_list * args)
-{
-  lb_vip_type_t vipt = va_arg (*args, lb_vip_type_t);
-  u32 i;
-  for (i=0; i<LB_VIP_N_TYPES; i++)
-    if (vipt == i)
-      return format(s, lb_vip_type_strings[i]);
-  return format(s, "_WRONG_TYPE_");
-}
-
-uword unformat_lb_vip_type (unformat_input_t * input, va_list * args)
-{
-  lb_vip_type_t *vipt = va_arg (*args, lb_vip_type_t *);
-  u32 i;
-  for (i=0; i<LB_VIP_N_TYPES; i++)
-    if (unformat(input, lb_vip_type_strings[i])) {
-      *vipt = i;
-      return 1;
-    }
-  return 0;
-}
-
-u8 *format_lb_vip (u8 * s, va_list * args)
-{
-  lb_vip_t *vip = va_arg (*args, lb_vip_t *);
-  return format(s, "%U %U new_size:%u #as:%u%s",
-             format_lb_vip_type, vip->type,
-             format_ip46_prefix, &vip->prefix, vip->plen, IP46_TYPE_ANY,
-             vip->new_flow_table_mask + 1,
-             pool_elts(vip->as_indexes),
-             (vip->flags & LB_VIP_FLAGS_USED)?"":" removed");
-}
-
-u8 *format_lb_as (u8 * s, va_list * args)
-{
-  lb_as_t *as = va_arg (*args, lb_as_t *);
-  return format(s, "%U %s", format_ip46_address,
-		&as->address, IP46_TYPE_ANY,
-		(as->flags & LB_AS_FLAGS_USED)?"used":"removed");
-}
-
-u8 *format_lb_vip_detailed (u8 * s, va_list * args)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip = va_arg (*args, lb_vip_t *);
-  uword indent = format_get_indent (s);
-
-  s = format(s, "%U %U [%u] %U%s\n"
-                   "%U  new_size:%u\n",
-                  format_white_space, indent,
-                  format_lb_vip_type, vip->type,
-                  vip - lbm->vips, format_ip46_prefix, &vip->prefix, vip->plen, IP46_TYPE_ANY,
-                  (vip->flags & LB_VIP_FLAGS_USED)?"":" removed",
-                  format_white_space, indent,
-                  vip->new_flow_table_mask + 1);
-
-  //Print counters
-  s = format(s, "%U  counters:\n",
-             format_white_space, indent);
-  u32 i;
-  for (i=0; i<LB_N_VIP_COUNTERS; i++)
-    s = format(s, "%U    %s: %d\n",
-               format_white_space, indent,
-               lbm->vip_counters[i].name,
-               vlib_get_simple_counter(&lbm->vip_counters[i], vip - lbm->vips));
-
-
-  s = format(s, "%U  #as:%u\n",
-             format_white_space, indent,
-             pool_elts(vip->as_indexes));
-
-  //Let's count the buckets for each AS
-  u32 *count = 0;
-  vec_validate(count, pool_len(lbm->ass)); //Possibly big alloc for not much...
-  lb_new_flow_entry_t *nfe;
-  vec_foreach(nfe, vip->new_flow_table)
-    count[nfe->as_index]++;
-
-  lb_as_t *as;
-  u32 *as_index;
-  pool_foreach(as_index, vip->as_indexes, {
-      as = &lbm->ass[*as_index];
-      s = format(s, "%U    %U %d buckets   %d flows  dpo:%u %s\n",
-                   format_white_space, indent,
-                   format_ip46_address, &as->address, IP46_TYPE_ANY,
-                   count[as - lbm->ass],
-                   vlib_refcount_get(&lbm->as_refcount, as - lbm->ass),
-                   as->dpo.dpoi_index,
-                   (as->flags & LB_AS_FLAGS_USED)?"used":" removed");
-  });
-
-  vec_free(count);
-
-  /*
-  s = format(s, "%U  new flows table:\n", format_white_space, indent);
-  lb_new_flow_entry_t *nfe;
-  vec_foreach(nfe, vip->new_flow_table) {
-    s = format(s, "%U    %d: %d\n", format_white_space, indent, nfe - vip->new_flow_table, nfe->as_index);
-  }
-  */
-  return s;
-}
-
-typedef struct {
-  u32 as_index;
-  u32 last;
-  u32 skip;
-} lb_pseudorand_t;
-
-static int lb_pseudorand_compare(void *a, void *b)
-{
-  lb_as_t *asa, *asb;
-  lb_main_t *lbm = &lb_main;
-  asa = &lbm->ass[((lb_pseudorand_t *)a)->as_index];
-  asb = &lbm->ass[((lb_pseudorand_t *)b)->as_index];
-  return memcmp(&asa->address, &asb->address, sizeof(asb->address));
-}
-
-static void lb_vip_garbage_collection(lb_vip_t *vip)
-{
-  lb_main_t *lbm = &lb_main;
-  ASSERT (lbm->writer_lock[0]);
-
-  u32 now = (u32) vlib_time_now(vlib_get_main());
-  if (!clib_u32_loop_gt(now, vip->last_garbage_collection + LB_GARBAGE_RUN))
-    return;
-
-  vip->last_garbage_collection = now;
-  lb_as_t *as;
-  u32 *as_index;
-  pool_foreach(as_index, vip->as_indexes, {
-      as = &lbm->ass[*as_index];
-      if (!(as->flags & LB_AS_FLAGS_USED) && //Not used
-	  clib_u32_loop_gt(now, as->last_used + LB_CONCURRENCY_TIMEOUT) && //Not recently used
-	  (vlib_refcount_get(&lbm->as_refcount, as - lbm->ass) == 0))
-	{ //Not referenced
-	  fib_entry_child_remove(as->next_hop_fib_entry_index,
-				 as->next_hop_child_index);
-	  fib_table_entry_delete_index(as->next_hop_fib_entry_index,
-				       FIB_SOURCE_RR);
-	  as->next_hop_fib_entry_index = FIB_NODE_INDEX_INVALID;
-
-	  pool_put(vip->as_indexes, as_index);
-	  pool_put(lbm->ass, as);
-	}
-  });
-}
-
-void lb_garbage_collection()
-{
-  lb_main_t *lbm = &lb_main;
-  lb_get_writer_lock();
-  lb_vip_t *vip;
-  u32 *to_be_removed_vips = 0, *i;
-  pool_foreach(vip, lbm->vips, {
-      lb_vip_garbage_collection(vip);
-
-      if (!(vip->flags & LB_VIP_FLAGS_USED) &&
-          (pool_elts(vip->as_indexes) == 0)) {
-        vec_add1(to_be_removed_vips, vip - lbm->vips);
-      }
-  });
-
-  vec_foreach(i, to_be_removed_vips) {
-    vip = &lbm->vips[*i];
-    pool_put(lbm->vips, vip);
-    pool_free(vip->as_indexes);
-  }
-
-  vec_free(to_be_removed_vips);
-  lb_put_writer_lock();
-}
-
-static void lb_vip_update_new_flow_table(lb_vip_t *vip)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_new_flow_entry_t *old_table;
-  u32 i, *as_index;
-  lb_new_flow_entry_t *new_flow_table = 0;
-  lb_as_t *as;
-  lb_pseudorand_t *pr, *sort_arr = 0;
-  u32 count;
-
-  ASSERT (lbm->writer_lock[0]); //We must have the lock
-
-  //Check if some AS is configured or not
-  i = 0;
-  pool_foreach(as_index, vip->as_indexes, {
-      as = &lbm->ass[*as_index];
-      if (as->flags & LB_AS_FLAGS_USED) { //Not used anymore
-        i = 1;
-        goto out; //Not sure 'break' works in this macro-loop
-      }
-  });
-
-out:
-  if (i == 0) {
-    //Only the default. i.e. no AS
-    vec_validate(new_flow_table, vip->new_flow_table_mask);
-    for (i=0; i<vec_len(new_flow_table); i++)
-      new_flow_table[i].as_index = 0;
-
-    goto finished;
-  }
-
-  //First, let's sort the ASs
-  sort_arr = 0;
-  vec_alloc(sort_arr, pool_elts(vip->as_indexes));
-
-  i = 0;
-  pool_foreach(as_index, vip->as_indexes, {
-      as = &lbm->ass[*as_index];
-      if (!(as->flags & LB_AS_FLAGS_USED)) //Not used anymore
-        continue;
-
-      sort_arr[i].as_index = as - lbm->ass;
-      i++;
-  });
-  _vec_len(sort_arr) = i;
-
-  vec_sort_with_function(sort_arr, lb_pseudorand_compare);
-
-  //Now let's pseudo-randomly generate permutations
-  vec_foreach(pr, sort_arr) {
-    lb_as_t *as = &lbm->ass[pr->as_index];
-
-    u64 seed = clib_xxhash(as->address.as_u64[0] ^
-                           as->address.as_u64[1]);
-    /* We have 2^n buckets.
-     * skip must be prime with 2^n.
-     * So skip must be odd.
-     * MagLev actually state that M should be prime,
-     * but this has a big computation cost (% operation).
-     * Using 2^n is more better (& operation).
-     */
-    pr->skip = ((seed & 0xffffffff) | 1) & vip->new_flow_table_mask;
-    pr->last = (seed >> 32) & vip->new_flow_table_mask;
-  }
-
-  //Let's create a new flow table
-  vec_validate(new_flow_table, vip->new_flow_table_mask);
-  for (i=0; i<vec_len(new_flow_table); i++)
-    new_flow_table[i].as_index = ~0;
-
-  u32 done = 0;
-  while (1) {
-    vec_foreach(pr, sort_arr) {
-      while (1) {
-        u32 last = pr->last;
-        pr->last = (pr->last + pr->skip) & vip->new_flow_table_mask;
-        if (new_flow_table[last].as_index == ~0) {
-          new_flow_table[last].as_index = pr->as_index;
-          break;
-        }
-      }
-      done++;
-      if (done == vec_len(new_flow_table))
-        goto finished;
-    }
-  }
-
-  vec_free(sort_arr);
-
-finished:
-
-//Count number of changed entries
-  count = 0;
-  for (i=0; i<vec_len(new_flow_table); i++)
-    if (vip->new_flow_table == 0 ||
-        new_flow_table[i].as_index != vip->new_flow_table[i].as_index)
-      count++;
-
-  old_table = vip->new_flow_table;
-  vip->new_flow_table = new_flow_table;
-  vec_free(old_table);
-}
-
-int lb_conf(ip4_address_t *ip4_address, ip6_address_t *ip6_address,
-           u32 per_cpu_sticky_buckets, u32 flow_timeout)
-{
-  lb_main_t *lbm = &lb_main;
-
-  if (!is_pow2(per_cpu_sticky_buckets))
-    return VNET_API_ERROR_INVALID_MEMORY_SIZE;
-
-  lb_get_writer_lock(); //Not exactly necessary but just a reminder that it exists for my future self
-  lbm->ip4_src_address = *ip4_address;
-  lbm->ip6_src_address = *ip6_address;
-  lbm->per_cpu_sticky_buckets = per_cpu_sticky_buckets;
-  lbm->flow_timeout = flow_timeout;
-  lb_put_writer_lock();
-  return 0;
-}
-
-static
-int lb_vip_find_index_with_lock(ip46_address_t *prefix, u8 plen, u32 *vip_index)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip;
-  ASSERT (lbm->writer_lock[0]); //This must be called with the lock owned
-  ip46_prefix_normalize(prefix, plen);
-  pool_foreach(vip, lbm->vips, {
-      if ((vip->flags & LB_AS_FLAGS_USED) &&
-          vip->plen == plen &&
-          vip->prefix.as_u64[0] == prefix->as_u64[0] &&
-          vip->prefix.as_u64[1] == prefix->as_u64[1]) {
-        *vip_index = vip - lbm->vips;
-        return 0;
-      }
-  });
-  return VNET_API_ERROR_NO_SUCH_ENTRY;
-}
-
-int lb_vip_find_index(ip46_address_t *prefix, u8 plen, u32 *vip_index)
-{
-  int ret;
-  lb_get_writer_lock();
-  ret = lb_vip_find_index_with_lock(prefix, plen, vip_index);
-  lb_put_writer_lock();
-  return ret;
-}
-
-static int lb_as_find_index_vip(lb_vip_t *vip, ip46_address_t *address, u32 *as_index)
-{
-  lb_main_t *lbm = &lb_main;
-  ASSERT (lbm->writer_lock[0]); //This must be called with the lock owned
-  lb_as_t *as;
-  u32 *asi;
-  pool_foreach(asi, vip->as_indexes, {
-      as = &lbm->ass[*asi];
-      if (as->vip_index == (vip - lbm->vips) &&
-          as->address.as_u64[0] == address->as_u64[0] &&
-          as->address.as_u64[1] == address->as_u64[1]) {
-        *as_index = as - lbm->ass;
-        return 0;
-      }
-  });
-  return -1;
-}
-
-int lb_vip_add_ass(u32 vip_index, ip46_address_t *addresses, u32 n)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_get_writer_lock();
-  lb_vip_t *vip;
-  if (!(vip = lb_vip_get_by_index(vip_index))) {
-    lb_put_writer_lock();
-    return VNET_API_ERROR_NO_SUCH_ENTRY;
-  }
-
-  ip46_type_t type = lb_vip_is_gre4(vip)?IP46_TYPE_IP4:IP46_TYPE_IP6;
-  u32 *to_be_added = 0;
-  u32 *to_be_updated = 0;
-  u32 i;
-  u32 *ip;
-
-  //Sanity check
-  while (n--) {
-
-    if (!lb_as_find_index_vip(vip, &addresses[n], &i)) {
-      if (lbm->ass[i].flags & LB_AS_FLAGS_USED) {
-        vec_free(to_be_added);
-        vec_free(to_be_updated);
-        lb_put_writer_lock();
-        return VNET_API_ERROR_VALUE_EXIST;
-      }
-      vec_add1(to_be_updated, i);
-      goto next;
-    }
-
-    if (ip46_address_type(&addresses[n]) != type) {
-      vec_free(to_be_added);
-      vec_free(to_be_updated);
-      lb_put_writer_lock();
-      return VNET_API_ERROR_INVALID_ADDRESS_FAMILY;
-    }
-
-    if (n) {
-      u32 n2 = n;
-      while(n2--) //Check for duplicates
-        if (addresses[n2].as_u64[0] == addresses[n].as_u64[0] &&
-            addresses[n2].as_u64[1] == addresses[n].as_u64[1])
-          goto next;
-    }
-
-    vec_add1(to_be_added, n);
-
-next:
-    continue;
-  }
-
-  //Update reused ASs
-  vec_foreach(ip, to_be_updated) {
-    lbm->ass[*ip].flags = LB_AS_FLAGS_USED;
-  }
-  vec_free(to_be_updated);
-
-  //Create those who have to be created
-  vec_foreach(ip, to_be_added) {
-    lb_as_t *as;
-    u32 *as_index;
-    pool_get(lbm->ass, as);
-    as->address = addresses[*ip];
-    as->flags = LB_AS_FLAGS_USED;
-    as->vip_index = vip_index;
-    pool_get(vip->as_indexes, as_index);
-    *as_index = as - lbm->ass;
-
-    /*
-     * become a child of the FIB entry
-     * so we are informed when its forwarding changes
-     */
-    fib_prefix_t nh = {};
-    if (lb_vip_is_gre4(vip)) {
-	nh.fp_addr.ip4 = as->address.ip4;
-	nh.fp_len = 32;
-	nh.fp_proto = FIB_PROTOCOL_IP4;
-    } else {
-	nh.fp_addr.ip6 = as->address.ip6;
-	nh.fp_len = 128;
-	nh.fp_proto = FIB_PROTOCOL_IP6;
-    }
-
-    as->next_hop_fib_entry_index =
-	fib_table_entry_special_add(0,
-				    &nh,
-				    FIB_SOURCE_RR,
-				    FIB_ENTRY_FLAG_NONE,
-				    ADJ_INDEX_INVALID);
-    as->next_hop_child_index =
-	fib_entry_child_add(as->next_hop_fib_entry_index,
-			    lbm->fib_node_type,
-			    as - lbm->ass);
-
-    lb_as_stack(as);
-  }
-  vec_free(to_be_added);
-
-  //Recompute flows
-  lb_vip_update_new_flow_table(vip);
-
-  //Garbage collection maybe
-  lb_vip_garbage_collection(vip);
-
-  lb_put_writer_lock();
-  return 0;
-}
-
-int lb_vip_del_ass_withlock(u32 vip_index, ip46_address_t *addresses, u32 n)
-{
-  lb_main_t *lbm = &lb_main;
-  u32 now = (u32) vlib_time_now(vlib_get_main());
-  u32 *ip = 0;
-
-  lb_vip_t *vip;
-  if (!(vip = lb_vip_get_by_index(vip_index))) {
-    return VNET_API_ERROR_NO_SUCH_ENTRY;
-  }
-
-  u32 *indexes = NULL;
-  while (n--) {
-    u32 i;
-    if (lb_as_find_index_vip(vip, &addresses[n], &i)) {
-      vec_free(indexes);
-      return VNET_API_ERROR_NO_SUCH_ENTRY;
-    }
-
-    if (n) { //Check for duplicates
-      u32 n2 = n - 1;
-      while(n2--) {
-        if (addresses[n2].as_u64[0] == addresses[n].as_u64[0] &&
-            addresses[n2].as_u64[1] == addresses[n].as_u64[1])
-          goto next;
-      }
-    }
-
-    vec_add1(indexes, i);
-next:
-  continue;
-  }
-
-  //Garbage collection maybe
-  lb_vip_garbage_collection(vip);
-
-  if (indexes != NULL) {
-    vec_foreach(ip, indexes) {
-      lbm->ass[*ip].flags &= ~LB_AS_FLAGS_USED;
-      lbm->ass[*ip].last_used = now;
-    }
-
-    //Recompute flows
-    lb_vip_update_new_flow_table(vip);
-  }
-
-  vec_free(indexes);
-  return 0;
-}
-
-int lb_vip_del_ass(u32 vip_index, ip46_address_t *addresses, u32 n)
-{
-  lb_get_writer_lock();
-  int ret = lb_vip_del_ass_withlock(vip_index, addresses, n);
-  lb_put_writer_lock();
-  return ret;
-}
-
-/**
- * Add the VIP adjacency to the ip4 or ip6 fib
- */
-static void lb_vip_add_adjacency(lb_main_t *lbm, lb_vip_t *vip)
-{
-  dpo_proto_t proto = 0;
-  dpo_id_t dpo = DPO_INVALID;
-  fib_prefix_t pfx = {};
-  if (lb_vip_is_ip4(vip)) {
-      pfx.fp_addr.ip4 = vip->prefix.ip4;
-      pfx.fp_len = vip->plen - 96;
-      pfx.fp_proto = FIB_PROTOCOL_IP4;
-      proto = DPO_PROTO_IP4;
-  } else {
-      pfx.fp_addr.ip6 = vip->prefix.ip6;
-      pfx.fp_len = vip->plen;
-      pfx.fp_proto = FIB_PROTOCOL_IP6;
-      proto = DPO_PROTO_IP6;
-  }
-  dpo_set(&dpo, lb_vip_is_gre4(vip)?lbm->dpo_gre4_type:lbm->dpo_gre6_type,
-      proto, vip - lbm->vips);
-  fib_table_entry_special_dpo_add(0,
-				  &pfx,
-				  FIB_SOURCE_PLUGIN_HI,
-				  FIB_ENTRY_FLAG_EXCLUSIVE,
-				  &dpo);
-  dpo_reset(&dpo);
-}
-
-/**
- * Deletes the adjacency associated with the VIP
- */
-static void lb_vip_del_adjacency(lb_main_t *lbm, lb_vip_t *vip)
-{
-  fib_prefix_t pfx = {};
-  if (lb_vip_is_ip4(vip)) {
-      pfx.fp_addr.ip4 = vip->prefix.ip4;
-      pfx.fp_len = vip->plen - 96;
-      pfx.fp_proto = FIB_PROTOCOL_IP4;
-  } else {
-      pfx.fp_addr.ip6 = vip->prefix.ip6;
-      pfx.fp_len = vip->plen;
-      pfx.fp_proto = FIB_PROTOCOL_IP6;
-  }
-  fib_table_entry_special_remove(0, &pfx, FIB_SOURCE_PLUGIN_HI);
-}
-
-int lb_vip_add(ip46_address_t *prefix, u8 plen, lb_vip_type_t type, u32 new_length, u32 *vip_index)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip;
-  lb_get_writer_lock();
-  ip46_prefix_normalize(prefix, plen);
-
-  if (!lb_vip_find_index_with_lock(prefix, plen, vip_index)) {
-    lb_put_writer_lock();
-    return VNET_API_ERROR_VALUE_EXIST;
-  }
-
-  if (!is_pow2(new_length)) {
-    lb_put_writer_lock();
-    return VNET_API_ERROR_INVALID_MEMORY_SIZE;
-  }
-
-  if (ip46_prefix_is_ip4(prefix, plen) &&
-      (type != LB_VIP_TYPE_IP4_GRE4) &&
-      (type != LB_VIP_TYPE_IP4_GRE6))
-    return VNET_API_ERROR_INVALID_ADDRESS_FAMILY;
-
-
-  //Allocate
-  pool_get(lbm->vips, vip);
-
-  //Init
-  vip->prefix = *prefix;
-  vip->plen = plen;
-  vip->last_garbage_collection = (u32) vlib_time_now(vlib_get_main());
-  vip->type = type;
-  vip->flags = LB_VIP_FLAGS_USED;
-  vip->as_indexes = 0;
-
-  //Validate counters
-  u32 i;
-  for (i = 0; i < LB_N_VIP_COUNTERS; i++) {
-    vlib_validate_simple_counter(&lbm->vip_counters[i], vip - lbm->vips);
-    vlib_zero_simple_counter(&lbm->vip_counters[i], vip - lbm->vips);
-  }
-
-  //Configure new flow table
-  vip->new_flow_table_mask = new_length - 1;
-  vip->new_flow_table = 0;
-
-  //Create a new flow hash table full of the default entry
-  lb_vip_update_new_flow_table(vip);
-
-  //Create adjacency to direct traffic
-  lb_vip_add_adjacency(lbm, vip);
-
-  //Return result
-  *vip_index = vip - lbm->vips;
-
-  lb_put_writer_lock();
-  return 0;
-}
-
-int lb_vip_del(u32 vip_index)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip;
-  lb_get_writer_lock();
-  if (!(vip = lb_vip_get_by_index(vip_index))) {
-    lb_put_writer_lock();
-    return VNET_API_ERROR_NO_SUCH_ENTRY;
-  }
-
-  //FIXME: This operation is actually not working
-  //We will need to remove state before performing this.
-
-  {
-    //Remove all ASs
-    ip46_address_t *ass = 0;
-    lb_as_t *as;
-    u32 *as_index;
-    pool_foreach(as_index, vip->as_indexes, {
-        as = &lbm->ass[*as_index];
-        vec_add1(ass, as->address);
-    });
-    if (vec_len(ass))
-      lb_vip_del_ass_withlock(vip_index, ass, vec_len(ass));
-    vec_free(ass);
-  }
-
-  //Delete adjacency
-  lb_vip_del_adjacency(lbm, vip);
-
-  //Set the VIP as unused
-  vip->flags &= ~LB_VIP_FLAGS_USED;
-
-  lb_put_writer_lock();
-  return 0;
-}
-
-clib_error_t *
-vlib_plugin_register (vlib_main_t * vm,
-                      vnet_plugin_handoff_t * h,
-                      int from_early_init)
-{
-  clib_error_t *error = 0;
-  return error;
-}
-
-
-u8 *format_lb_dpo (u8 * s, va_list * va)
-{
-  index_t index = va_arg (*va, index_t);
-  CLIB_UNUSED(u32 indent) = va_arg (*va, u32);
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip = pool_elt_at_index (lbm->vips, index);
-  return format (s, "%U", format_lb_vip, vip);
-}
-
-static void lb_dpo_lock (dpo_id_t *dpo) {}
-static void lb_dpo_unlock (dpo_id_t *dpo) {}
-
-static fib_node_t *
-lb_fib_node_get_node (fib_node_index_t index)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_as_t *as = pool_elt_at_index (lbm->ass, index);
-  return (&as->fib_node);
-}
-
-static void
-lb_fib_node_last_lock_gone (fib_node_t *node)
-{
-}
-
-static lb_as_t *
-lb_as_from_fib_node (fib_node_t *node)
-{
-  return ((lb_as_t*)(((char*)node) -
-      STRUCT_OFFSET_OF(lb_as_t, fib_node)));
-}
-
-static void
-lb_as_stack (lb_as_t *as)
-{
-  lb_main_t *lbm = &lb_main;
-  lb_vip_t *vip = &lbm->vips[as->vip_index];
-  dpo_stack(lb_vip_is_gre4(vip)?lbm->dpo_gre4_type:lbm->dpo_gre6_type,
-	    lb_vip_is_ip4(vip)?DPO_PROTO_IP4:DPO_PROTO_IP6,
-	    &as->dpo,
-	    fib_entry_contribute_ip_forwarding(
-		as->next_hop_fib_entry_index));
-}
-
-static fib_node_back_walk_rc_t
-lb_fib_node_back_walk_notify (fib_node_t *node,
-			       fib_node_back_walk_ctx_t *ctx)
-{
-    lb_as_stack(lb_as_from_fib_node(node));
-    return (FIB_NODE_BACK_WALK_CONTINUE);
-}
-
-clib_error_t *
-lb_init (vlib_main_t * vm)
-{
-  vlib_thread_main_t *tm = vlib_get_thread_main ();
-  lb_main_t *lbm = &lb_main;
-  lb_as_t *default_as;
-  fib_node_vft_t lb_fib_node_vft = {
-      .fnv_get = lb_fib_node_get_node,
-      .fnv_last_lock = lb_fib_node_last_lock_gone,
-      .fnv_back_walk = lb_fib_node_back_walk_notify,
-  };
-  dpo_vft_t lb_vft = {
-      .dv_lock = lb_dpo_lock,
-      .dv_unlock = lb_dpo_unlock,
-      .dv_format = format_lb_dpo,
-  };
-
-  lbm->vips = 0;
-  lbm->per_cpu = 0;
-  vec_validate(lbm->per_cpu, tm->n_vlib_mains - 1);
-  lbm->writer_lock = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,  CLIB_CACHE_LINE_BYTES);
-  lbm->writer_lock[0] = 0;
-  lbm->per_cpu_sticky_buckets = LB_DEFAULT_PER_CPU_STICKY_BUCKETS;
-  lbm->flow_timeout = LB_DEFAULT_FLOW_TIMEOUT;
-  lbm->ip4_src_address.as_u32 = 0xffffffff;
-  lbm->ip6_src_address.as_u64[0] = 0xffffffffffffffffL;
-  lbm->ip6_src_address.as_u64[1] = 0xffffffffffffffffL;
-  lbm->dpo_gre4_type = dpo_register_new_type(&lb_vft, lb_dpo_gre4_nodes);
-  lbm->dpo_gre6_type = dpo_register_new_type(&lb_vft, lb_dpo_gre6_nodes);
-  lbm->fib_node_type = fib_node_register_new_type(&lb_fib_node_vft);
-
-  //Init AS reference counters
-  vlib_refcount_init(&lbm->as_refcount);
-
-  //Allocate and init default AS.
-  lbm->ass = 0;
-  pool_get(lbm->ass, default_as);
-  default_as->flags = 0;
-  default_as->dpo.dpoi_next_node = LB_NEXT_DROP;
-  default_as->vip_index = ~0;
-  default_as->address.ip6.as_u64[0] = 0xffffffffffffffffL;
-  default_as->address.ip6.as_u64[1] = 0xffffffffffffffffL;
-
-#define _(a,b,c) lbm->vip_counters[c].name = b;
-  lb_foreach_vip_counter
-#undef _
-  return NULL;
-}
-
-VLIB_INIT_FUNCTION (lb_init);