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authorDamjan Marion <damarion@cisco.com>2016-12-19 23:05:39 +0100
committerDamjan Marion <damarion@cisco.com>2016-12-28 12:25:14 +0100
commit7cd468a3d7dee7d6c92f69a0bb7061ae208ec727 (patch)
tree5de62f8dbd3a752f5a676ca600e43d2652d1ff1a /src/vnet/fib/ip6_fib.h
parent696f1adec0df3b8f161862566dd9c86174302658 (diff)
Reorganize source tree to use single autotools instance
Change-Id: I7b51f88292e057c6443b12224486f2d0c9f8ae23 Signed-off-by: Damjan Marion <damarion@cisco.com>
Diffstat (limited to 'src/vnet/fib/ip6_fib.h')
-rw-r--r--src/vnet/fib/ip6_fib.h130
1 files changed, 130 insertions, 0 deletions
diff --git a/src/vnet/fib/ip6_fib.h b/src/vnet/fib/ip6_fib.h
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+++ b/src/vnet/fib/ip6_fib.h
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+/*
+ * 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.
+ */
+
+#ifndef __IP6_FIB_H__
+#define __IP6_FIB_H__
+
+#include <vlib/vlib.h>
+#include <vnet/ip/format.h>
+#include <vnet/fib/fib_entry.h>
+#include <vnet/fib/fib_table.h>
+#include <vnet/ip/lookup.h>
+#include <vnet/dpo/load_balance.h>
+
+extern fib_node_index_t ip6_fib_table_lookup(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len);
+extern fib_node_index_t ip6_fib_table_lookup_exact_match(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len);
+
+extern void ip6_fib_table_entry_remove(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len);
+
+extern void ip6_fib_table_entry_insert(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len,
+ fib_node_index_t fib_entry_index);
+extern void ip6_fib_table_destroy(u32 fib_index);
+
+extern void ip6_fib_table_fwding_dpo_update(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len,
+ const dpo_id_t *dpo);
+
+extern void ip6_fib_table_fwding_dpo_remove(u32 fib_index,
+ const ip6_address_t *addr,
+ u32 len,
+ const dpo_id_t *dpo);
+
+u32 ip6_fib_table_fwding_lookup_with_if_index(ip6_main_t * im,
+ u32 sw_if_index,
+ const ip6_address_t * dst);
+u32 ip6_fib_table_fwding_lookup(ip6_main_t * im,
+ u32 fib_index,
+ const ip6_address_t * dst);
+
+/**
+ * @biref return the DPO that the LB stacks on.
+ */
+always_inline u32
+ip6_src_lookup_for_packet (ip6_main_t * im,
+ vlib_buffer_t * b,
+ ip6_header_t * i)
+{
+ if (vnet_buffer (b)->ip.adj_index[VLIB_RX] == ~0)
+ {
+ const dpo_id_t *dpo;
+ index_t lbi;
+
+ lbi = ip6_fib_table_fwding_lookup_with_if_index(
+ im,
+ vnet_buffer (b)->sw_if_index[VLIB_RX],
+ &i->src_address);
+
+ dpo = load_balance_get_bucket_i(load_balance_get(lbi), 0);
+
+ if (dpo_is_adj(dpo))
+ {
+ vnet_buffer (b)->ip.adj_index[VLIB_RX] = dpo->dpoi_index;
+ }
+ }
+ return vnet_buffer (b)->ip.adj_index[VLIB_RX];
+}
+
+/**
+ * \brief Get or create an IPv6 fib.
+ *
+ * Get or create an IPv4 fib with the provided table ID.
+ *
+ * \param im
+ * ip4_main pointer.
+ * \param table_id
+ * When set to \c ~0, an arbitrary and unused fib ID is picked
+ * and can be retrieved with \c ret->table_id.
+ * Otherwise, the fib ID to be used to retrieve or create the desired fib.
+ * \returns A pointer to the retrieved or created fib.
+ *
+ */
+extern u32 ip6_fib_table_find_or_create_and_lock(u32 table_id);
+extern u32 ip6_fib_table_create_and_lock(void);
+
+static inline ip6_fib_t *
+ip6_fib_get (fib_node_index_t index)
+{
+ ASSERT(!pool_is_free_index(ip6_main.fibs, index));
+ return (&pool_elt_at_index (ip6_main.fibs, index)->v6);
+}
+
+static inline
+u32 ip6_fib_index_from_table_id (u32 table_id)
+{
+ ip6_main_t * im = &ip6_main;
+ uword * p;
+
+ p = hash_get (im->fib_index_by_table_id, table_id);
+ if (!p)
+ return ~0;
+
+ return p[0];
+}
+
+extern u32 ip6_fib_table_get_index_for_sw_if_index(u32 sw_if_index);
+
+extern flow_hash_config_t ip6_fib_table_get_flow_hash_config(u32 fib_index);
+
+#endif
+