Filip Varga
ed2ee5e57b
Type: improvement Adding support for enable&disable calls (dynamic plugin configuration). API (nat66_plugin_enable_disable) and CLI (nat66 plugin enable/nat66 plugin disable) with support for outside_vrf id configuration. Change-Id: I5637ff1621d6662adc3b7c6f7f8176d84a4b492b Signed-off-by: Filip Varga <fivarga@cisco.com>
131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file
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* @brief NAT66 global declarations
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*/
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#ifndef __included_nat66_h__
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#define __included_nat66_h__
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#include <vnet/ip/ip.h>
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#include <vnet/fib/fib_table.h>
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#include <vppinfra/bihash_24_8.h>
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typedef struct
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{
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ip6_address_t l_addr;
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ip6_address_t e_addr;
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u32 fib_index;
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} nat66_static_mapping_t;
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typedef struct
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{
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union
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{
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struct
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{
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ip6_address_t addr;
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u32 fib_index;
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u32 rsvd;
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};
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u64 as_u64[3];
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};
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} nat66_sm_key_t;
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typedef struct
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{
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u32 sw_if_index;
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u8 flags;
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} nat66_interface_t;
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#define NAT66_INTERFACE_FLAG_IS_INSIDE 1
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#define NAT66_INTERFACE_FLAG_IS_OUTSIDE 2
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#define nat66_interface_is_inside(i) i->flags & NAT66_INTERFACE_FLAG_IS_INSIDE
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#define nat66_interface_is_outside(i) i->flags & NAT66_INTERFACE_FLAG_IS_OUTSIDE
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typedef struct
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{
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/** Interface pool */
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nat66_interface_t *interfaces;
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/** Static mapping pool */
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nat66_static_mapping_t *sm;
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/** Static mapping by local address lookup table */
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clib_bihash_24_8_t sm_l;
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/** Static mapping by external address lookup table */
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clib_bihash_24_8_t sm_e;
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/** Session counters */
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vlib_combined_counter_main_t session_counters;
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u32 outside_vrf_id;
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u32 outside_fib_index;
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fib_source_t nat_fib_src_hi;
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u16 msg_id_base;
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u8 log_level;
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u8 enabled;
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vlib_simple_counter_main_t in2out_packets;
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vlib_simple_counter_main_t out2in_packets;;
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} nat66_main_t;
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#define nat66_elog(_level, _str) \
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do \
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{ \
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nat66_main_t *nm = &nat66_main; \
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if (PREDICT_FALSE (nm->log_level >= _level)) \
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{ \
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ELOG_TYPE_DECLARE (e) = \
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{ \
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.format = "nat66-msg " _str, \
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.format_args = "", \
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}; \
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ELOG_DATA (&vlib_global_main.elog_main, e); \
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} \
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} while (0);
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#define nat66_elog_warn(nat_elog_str) \
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nat66_elog(0x02, "[warning] " nat_elog_str)
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extern nat66_main_t nat66_main;
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extern vlib_node_registration_t nat66_in2out_node;
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extern vlib_node_registration_t nat66_out2in_node;
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typedef int (*nat66_interface_walk_fn_t) (nat66_interface_t * i, void *ctx);
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void nat66_interfaces_walk (nat66_interface_walk_fn_t fn, void *ctx);
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int nat66_interface_add_del (u32 sw_if_index, u8 is_inside, u8 is_add);
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typedef int (*nat66_static_mapping_walk_fn_t) (nat66_static_mapping_t * sm,
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void *ctx);
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void nat66_static_mappings_walk (nat66_static_mapping_walk_fn_t fn,
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void *ctx);
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nat66_static_mapping_t *nat66_static_mapping_get (ip6_address_t * addr,
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u32 fib_index, u8 is_local);
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int nat66_static_mapping_add_del (ip6_address_t * l_addr,
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ip6_address_t * e_addr, u32 vrf_id,
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u8 is_add);
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int nat66_plugin_enable (u32 outside_vrf);
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int nat66_plugin_disable ();
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#endif /* __included_nat66_h__ */
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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