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authorOle Troan <ot@cisco.com>2020-07-01 13:16:16 +0200
committerAndrew Yourtchenko <ayourtch@gmail.com>2020-07-02 13:13:27 +0000
commit96068d6b94207435f9c9619e2ce7921ebc812ade (patch)
treef7f36f8cc2dfc70730102d72b0ea254d10f84457 /src/plugins/nat/nat66/nat66.h
parentc6eae9c079defa4812270945d614c4598db262d8 (diff)
nat: nat66 to plugin
Type: refactor Change-Id: I8c1f0c02a4522c1f9e461ddadd59938579ec00c6 Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src/plugins/nat/nat66/nat66.h')
-rw-r--r--src/plugins/nat/nat66/nat66.h123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/plugins/nat/nat66/nat66.h b/src/plugins/nat/nat66/nat66.h
new file mode 100644
index 00000000000..9757f030032
--- /dev/null
+++ b/src/plugins/nat/nat66/nat66.h
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2018 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.
+ */
+/**
+ * @file
+ * @brief NAT66 global declarations
+ */
+#ifndef __included_nat66_h__
+#define __included_nat66_h__
+
+#include <vnet/ip/ip.h>
+#include <vppinfra/bihash_24_8.h>
+
+typedef struct
+{
+ ip6_address_t l_addr;
+ ip6_address_t e_addr;
+ u32 fib_index;
+} nat66_static_mapping_t;
+
+typedef struct
+{
+ union
+ {
+ struct
+ {
+ ip6_address_t addr;
+ u32 fib_index;
+ u32 rsvd;
+ };
+ u64 as_u64[3];
+ };
+} nat66_sm_key_t;
+
+typedef struct
+{
+ u32 sw_if_index;
+ u8 flags;
+} nat66_interface_t;
+#define NAT66_INTERFACE_FLAG_IS_INSIDE 1
+#define NAT66_INTERFACE_FLAG_IS_OUTSIDE 2
+#define nat66_interface_is_inside(i) i->flags & NAT66_INTERFACE_FLAG_IS_INSIDE
+#define nat66_interface_is_outside(i) i->flags & NAT66_INTERFACE_FLAG_IS_OUTSIDE
+
+typedef struct
+{
+ /** Interface pool */
+ nat66_interface_t *interfaces;
+ /** Static mapping pool */
+ nat66_static_mapping_t *sm;
+ /** Static mapping by local address lookup table */
+ clib_bihash_24_8_t sm_l;
+ /** Static mapping by external address lookup table */
+ clib_bihash_24_8_t sm_e;
+ /** Session counters */
+ vlib_combined_counter_main_t session_counters;
+ /** node index **/
+ u32 in2out_node_index;
+ u32 out2in_node_index;
+
+ u32 outside_vrf_id;
+ u32 outside_fib_index;
+
+ u16 msg_id_base;
+ u8 log_level;
+} nat66_main_t;
+
+#define nat66_elog(_level, _str) \
+do \
+ { \
+ nat66_main_t *nm = &nat66_main; \
+ if (PREDICT_FALSE (nm->log_level >= _level)) \
+ { \
+ ELOG_TYPE_DECLARE (e) = \
+ { \
+ .format = "nat66-msg " _str, \
+ .format_args = "", \
+ }; \
+ ELOG_DATA (&vlib_global_main.elog_main, e); \
+ } \
+ } while (0);
+
+#define nat66_elog_warn(nat_elog_str) \
+ nat66_elog(0x02, "[warning] " nat_elog_str)
+
+
+extern nat66_main_t nat66_main;
+extern vlib_node_registration_t nat66_in2out_node;
+extern vlib_node_registration_t nat66_out2in_node;
+
+typedef int (*nat66_interface_walk_fn_t) (nat66_interface_t * i, void *ctx);
+void nat66_interfaces_walk (nat66_interface_walk_fn_t fn, void *ctx);
+int nat66_interface_add_del (u32 sw_if_index, u8 is_inside, u8 is_add);
+typedef int (*nat66_static_mapping_walk_fn_t) (nat66_static_mapping_t * sm,
+ void *ctx);
+void nat66_static_mappings_walk (nat66_static_mapping_walk_fn_t fn,
+ void *ctx);
+nat66_static_mapping_t *nat66_static_mapping_get (ip6_address_t * addr,
+ u32 fib_index, u8 is_local);
+int nat66_static_mapping_add_del (ip6_address_t * l_addr,
+ ip6_address_t * e_addr, u32 vrf_id,
+ u8 is_add);
+
+#endif /* __included_nat66_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */