+++ /dev/null
-/*
- * 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.
- */
-/**
- * @file
- * @brief NAT64 DB
- */
-#include <nat/nat64_db.h>
-#include <nat/nat_ipfix_logging.h>
-#include <nat/nat_inlines.h>
-#include <nat/nat_syslog.h>
-#include <vnet/fib/fib_table.h>
-
-int
-nat64_db_init (nat64_db_t * db, u32 bib_buckets, uword bib_memory_size,
- u32 st_buckets, uword st_memory_size,
- nat64_db_free_addr_port_function_t free_addr_port_cb)
-{
- clib_bihash_init_24_8 (&db->bib.in2out, "bib-in2out", bib_buckets,
- bib_memory_size);
-
- clib_bihash_init_24_8 (&db->bib.out2in, "bib-out2in", bib_buckets,
- bib_memory_size);
-
- clib_bihash_init_48_8 (&db->st.in2out, "st-in2out", st_buckets,
- st_memory_size);
-
- clib_bihash_init_48_8 (&db->st.out2in, "st-out2in", st_buckets,
- st_memory_size);
-
- db->free_addr_port_cb = free_addr_port_cb;
- db->bib.limit = 10 * bib_buckets;
- db->bib.bib_entries_num = 0;
- db->st.limit = 10 * st_buckets;
- db->st.st_entries_num = 0;
- db->addr_free = 0;
-
- return 0;
-}
-
-nat64_db_bib_entry_t *
-nat64_db_bib_entry_create (u32 thread_index, nat64_db_t * db,
- ip6_address_t * in_addr,
- ip4_address_t * out_addr, u16 in_port,
- u16 out_port, u32 fib_index, u8 proto,
- u8 is_static)
-{
- nat64_db_bib_entry_t *bibe;
- nat64_db_bib_entry_key_t bibe_key;
- clib_bihash_kv_24_8_t kv;
- fib_table_t *fib;
-
- if (db->bib.bib_entries_num >= db->bib.limit)
- {
- db->free_addr_port_cb (db, out_addr, out_port, proto);
- nat_ipfix_logging_max_bibs (thread_index, db->bib.limit);
- return 0;
- }
-
- /* create pool entry */
- switch (ip_proto_to_nat_proto (proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- pool_get (db->bib._##n##_bib, bibe); \
- kv.value = bibe - db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- pool_get (db->bib._unk_proto_bib, bibe);
- kv.value = bibe - db->bib._unk_proto_bib;
- break;
- }
-
- db->bib.bib_entries_num++;
-
- clib_memset (bibe, 0, sizeof (*bibe));
- bibe->in_addr.as_u64[0] = in_addr->as_u64[0];
- bibe->in_addr.as_u64[1] = in_addr->as_u64[1];
- bibe->in_port = in_port;
- bibe->out_addr.as_u32 = out_addr->as_u32;
- bibe->out_port = out_port;
- bibe->fib_index = fib_index;
- bibe->proto = proto;
- bibe->is_static = is_static;
-
- /* create hash lookup */
- bibe_key.addr.as_u64[0] = bibe->in_addr.as_u64[0];
- bibe_key.addr.as_u64[1] = bibe->in_addr.as_u64[1];
- bibe_key.fib_index = bibe->fib_index;
- bibe_key.port = bibe->in_port;
- bibe_key.proto = bibe->proto;
- bibe_key.rsvd = 0;
- kv.key[0] = bibe_key.as_u64[0];
- kv.key[1] = bibe_key.as_u64[1];
- kv.key[2] = bibe_key.as_u64[2];
- clib_bihash_add_del_24_8 (&db->bib.in2out, &kv, 1);
-
- clib_memset (&bibe_key.addr, 0, sizeof (bibe_key.addr));
- bibe_key.addr.ip4.as_u32 = bibe->out_addr.as_u32;
- bibe_key.fib_index = 0;
- bibe_key.port = bibe->out_port;
- kv.key[0] = bibe_key.as_u64[0];
- kv.key[1] = bibe_key.as_u64[1];
- kv.key[2] = bibe_key.as_u64[2];
- clib_bihash_add_del_24_8 (&db->bib.out2in, &kv, 1);
-
- fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
- nat_ipfix_logging_nat64_bib (thread_index, in_addr, out_addr, proto,
- in_port, out_port, fib->ft_table_id, 1);
- return bibe;
-}
-
-void
-nat64_db_bib_entry_free (u32 thread_index, nat64_db_t * db,
- nat64_db_bib_entry_t * bibe)
-{
- nat64_db_bib_entry_key_t bibe_key;
- clib_bihash_kv_24_8_t kv;
- nat64_db_bib_entry_t *bib;
- u32 *ste_to_be_free = 0, *ste_index, bibe_index;
- nat64_db_st_entry_t *st, *ste;
- fib_table_t *fib;
-
- switch (ip_proto_to_nat_proto (bibe->proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- bib = db->bib._##n##_bib; \
- st = db->st._##n##_st; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- bib = db->bib._unk_proto_bib;
- st = db->st._unk_proto_st;
- break;
- }
-
- db->bib.bib_entries_num--;
-
- bibe_index = bibe - bib;
-
- /* delete ST entries for static BIB entry */
- if (bibe->is_static)
- {
- pool_foreach (ste, st, (
- {
- if (ste->bibe_index == bibe_index)
- vec_add1 (ste_to_be_free, ste - st);}
- ));
- vec_foreach (ste_index, ste_to_be_free)
- nat64_db_st_entry_free (thread_index, db,
- pool_elt_at_index (st, ste_index[0]));
- vec_free (ste_to_be_free);
- }
-
- /* delete hash lookup */
- bibe_key.addr.as_u64[0] = bibe->in_addr.as_u64[0];
- bibe_key.addr.as_u64[1] = bibe->in_addr.as_u64[1];
- bibe_key.fib_index = bibe->fib_index;
- bibe_key.port = bibe->in_port;
- bibe_key.proto = bibe->proto;
- bibe_key.rsvd = 0;
- kv.key[0] = bibe_key.as_u64[0];
- kv.key[1] = bibe_key.as_u64[1];
- kv.key[2] = bibe_key.as_u64[2];
- clib_bihash_add_del_24_8 (&db->bib.in2out, &kv, 0);
-
- clib_memset (&bibe_key.addr, 0, sizeof (bibe_key.addr));
- bibe_key.addr.ip4.as_u32 = bibe->out_addr.as_u32;
- bibe_key.fib_index = 0;
- bibe_key.port = bibe->out_port;
- kv.key[0] = bibe_key.as_u64[0];
- kv.key[1] = bibe_key.as_u64[1];
- kv.key[2] = bibe_key.as_u64[2];
- clib_bihash_add_del_24_8 (&db->bib.out2in, &kv, 0);
-
- if (!db->addr_free)
- db->free_addr_port_cb (db, &bibe->out_addr, bibe->out_port, bibe->proto);
-
- fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
- nat_ipfix_logging_nat64_bib (thread_index, &bibe->in_addr, &bibe->out_addr,
- bibe->proto, bibe->in_port, bibe->out_port,
- fib->ft_table_id, 0);
-
- /* delete from pool */
- pool_put (bib, bibe);
-
-}
-
-nat64_db_bib_entry_t *
-nat64_db_bib_entry_find (nat64_db_t * db, ip46_address_t * addr, u16 port,
- u8 proto, u32 fib_index, u8 is_ip6)
-{
- nat64_db_bib_entry_t *bibe = 0;
- nat64_db_bib_entry_key_t bibe_key;
- clib_bihash_kv_24_8_t kv, value;
- nat64_db_bib_entry_t *bib;
-
- switch (ip_proto_to_nat_proto (proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- bib = db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- bib = db->bib._unk_proto_bib;
- break;
- }
-
- bibe_key.addr.as_u64[0] = addr->as_u64[0];
- bibe_key.addr.as_u64[1] = addr->as_u64[1];
- bibe_key.fib_index = fib_index;
- bibe_key.port = port;
- bibe_key.proto = proto;
- bibe_key.rsvd = 0;
-
- kv.key[0] = bibe_key.as_u64[0];
- kv.key[1] = bibe_key.as_u64[1];
- kv.key[2] = bibe_key.as_u64[2];
-
- if (!clib_bihash_search_24_8
- (is_ip6 ? &db->bib.in2out : &db->bib.out2in, &kv, &value))
- bibe = pool_elt_at_index (bib, value.value);
-
- return bibe;
-}
-
-void
-nat64_db_bib_walk (nat64_db_t * db, u8 proto,
- nat64_db_bib_walk_fn_t fn, void *ctx)
-{
- nat64_db_bib_entry_t *bib, *bibe;
-
- if (proto == 255)
- {
- /* *INDENT-OFF* */
- #define _(N, i, n, s) \
- bib = db->bib._##n##_bib; \
- pool_foreach (bibe, bib, ({ \
- if (fn (bibe, ctx)) \
- return; \
- }));
- foreach_nat_protocol
- #undef _
- bib = db->bib._unk_proto_bib;
- pool_foreach (bibe, bib, ({
- if (fn (bibe, ctx))
- return;
- }));
- /* *INDENT-ON* */
- }
- else
- {
- switch (ip_proto_to_nat_proto (proto))
- {
- /* *INDENT-OFF* */
- #define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- bib = db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
- #undef _
- /* *INDENT-ON* */
- default:
- bib = db->bib._unk_proto_bib;
- break;
- }
-
- /* *INDENT-OFF* */
- pool_foreach (bibe, bib,
- ({
- if (fn (bibe, ctx))
- return;
- }));
- /* *INDENT-ON* */
- }
-}
-
-nat64_db_bib_entry_t *
-nat64_db_bib_entry_by_index (nat64_db_t * db, u8 proto, u32 bibe_index)
-{
- nat64_db_bib_entry_t *bib;
-
- switch (ip_proto_to_nat_proto (proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- bib = db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- bib = db->bib._unk_proto_bib;
- break;
- }
-
- return pool_elt_at_index (bib, bibe_index);
-}
-
-void
-nat64_db_st_walk (nat64_db_t * db, u8 proto,
- nat64_db_st_walk_fn_t fn, void *ctx)
-{
- nat64_db_st_entry_t *st, *ste;
-
- if (proto == 255)
- {
- /* *INDENT-OFF* */
- #define _(N, i, n, s) \
- st = db->st._##n##_st; \
- pool_foreach (ste, st, ({ \
- if (fn (ste, ctx)) \
- return; \
- }));
- foreach_nat_protocol
- #undef _
- st = db->st._unk_proto_st;
- pool_foreach (ste, st, ({
- if (fn (ste, ctx))
- return;
- }));
- /* *INDENT-ON* */
- }
- else
- {
- switch (ip_proto_to_nat_proto (proto))
- {
- /* *INDENT-OFF* */
- #define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- st = db->st._##n##_st; \
- break;
- foreach_nat_protocol
- #undef _
- /* *INDENT-ON* */
- default:
- st = db->st._unk_proto_st;
- break;
- }
-
- /* *INDENT-OFF* */
- pool_foreach (ste, st,
- ({
- if (fn (ste, ctx))
- return;
- }));
- /* *INDENT-ON* */
- }
-}
-
-nat64_db_st_entry_t *
-nat64_db_st_entry_create (u32 thread_index, nat64_db_t * db,
- nat64_db_bib_entry_t * bibe,
- ip6_address_t * in_r_addr,
- ip4_address_t * out_r_addr, u16 r_port)
-{
- nat64_db_st_entry_t *ste;
- nat64_db_bib_entry_t *bib;
- nat64_db_st_entry_key_t ste_key;
- clib_bihash_kv_48_8_t kv;
- fib_table_t *fib;
-
- if (db->st.st_entries_num >= db->st.limit)
- {
- nat_ipfix_logging_max_sessions (thread_index, db->st.limit);
- return 0;
- }
-
- /* create pool entry */
- switch (ip_proto_to_nat_proto (bibe->proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- pool_get (db->st._##n##_st, ste); \
- kv.value = ste - db->st._##n##_st; \
- bib = db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- pool_get (db->st._unk_proto_st, ste);
- kv.value = ste - db->st._unk_proto_st;
- bib = db->bib._unk_proto_bib;
- break;
- }
-
- db->st.st_entries_num++;
-
- clib_memset (ste, 0, sizeof (*ste));
- ste->in_r_addr.as_u64[0] = in_r_addr->as_u64[0];
- ste->in_r_addr.as_u64[1] = in_r_addr->as_u64[1];
- ste->out_r_addr.as_u32 = out_r_addr->as_u32;
- ste->r_port = r_port;
- ste->bibe_index = bibe - bib;
- ste->proto = bibe->proto;
-
- /* increment session number for BIB entry */
- bibe->ses_num++;
-
- /* create hash lookup */
- clib_memset (&ste_key, 0, sizeof (ste_key));
- ste_key.l_addr.as_u64[0] = bibe->in_addr.as_u64[0];
- ste_key.l_addr.as_u64[1] = bibe->in_addr.as_u64[1];
- ste_key.r_addr.as_u64[0] = ste->in_r_addr.as_u64[0];
- ste_key.r_addr.as_u64[1] = ste->in_r_addr.as_u64[1];
- ste_key.fib_index = bibe->fib_index;
- ste_key.l_port = bibe->in_port;
- ste_key.r_port = ste->r_port;
- ste_key.proto = ste->proto;
- kv.key[0] = ste_key.as_u64[0];
- kv.key[1] = ste_key.as_u64[1];
- kv.key[2] = ste_key.as_u64[2];
- kv.key[3] = ste_key.as_u64[3];
- kv.key[4] = ste_key.as_u64[4];
- kv.key[5] = ste_key.as_u64[5];
- clib_bihash_add_del_48_8 (&db->st.in2out, &kv, 1);
-
- clib_memset (&ste_key, 0, sizeof (ste_key));
- ste_key.l_addr.ip4.as_u32 = bibe->out_addr.as_u32;
- ste_key.r_addr.ip4.as_u32 = ste->out_r_addr.as_u32;
- ste_key.l_port = bibe->out_port;
- ste_key.r_port = ste->r_port;
- ste_key.proto = ste->proto;
- kv.key[0] = ste_key.as_u64[0];
- kv.key[1] = ste_key.as_u64[1];
- kv.key[2] = ste_key.as_u64[2];
- kv.key[3] = ste_key.as_u64[3];
- kv.key[4] = ste_key.as_u64[4];
- kv.key[5] = ste_key.as_u64[5];
- clib_bihash_add_del_48_8 (&db->st.out2in, &kv, 1);
-
- fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
- nat_ipfix_logging_nat64_session (thread_index, &bibe->in_addr,
- &bibe->out_addr, bibe->proto,
- bibe->in_port, bibe->out_port,
- &ste->in_r_addr, &ste->out_r_addr,
- ste->r_port, ste->r_port, fib->ft_table_id,
- 1);
- nat_syslog_nat64_sadd (bibe->fib_index, &bibe->in_addr, bibe->in_port,
- &bibe->out_addr, bibe->out_port, &ste->out_r_addr,
- ste->r_port, bibe->proto);
- return ste;
-}
-
-void
-nat64_db_st_entry_free (u32 thread_index,
- nat64_db_t * db, nat64_db_st_entry_t * ste)
-{
- nat64_db_st_entry_t *st;
- nat64_db_bib_entry_t *bib, *bibe;
- nat64_db_st_entry_key_t ste_key;
- clib_bihash_kv_48_8_t kv;
- fib_table_t *fib;
-
- switch (ip_proto_to_nat_proto (ste->proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- st = db->st._##n##_st; \
- bib = db->bib._##n##_bib; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- st = db->st._unk_proto_st;
- bib = db->bib._unk_proto_bib;
- break;
- }
-
- bibe = pool_elt_at_index (bib, ste->bibe_index);
-
- db->st.st_entries_num--;
-
- /* delete hash lookup */
- clib_memset (&ste_key, 0, sizeof (ste_key));
- ste_key.l_addr.as_u64[0] = bibe->in_addr.as_u64[0];
- ste_key.l_addr.as_u64[1] = bibe->in_addr.as_u64[1];
- ste_key.r_addr.as_u64[0] = ste->in_r_addr.as_u64[0];
- ste_key.r_addr.as_u64[1] = ste->in_r_addr.as_u64[1];
- ste_key.fib_index = bibe->fib_index;
- ste_key.l_port = bibe->in_port;
- ste_key.r_port = ste->r_port;
- ste_key.proto = ste->proto;
- kv.key[0] = ste_key.as_u64[0];
- kv.key[1] = ste_key.as_u64[1];
- kv.key[2] = ste_key.as_u64[2];
- kv.key[3] = ste_key.as_u64[3];
- kv.key[4] = ste_key.as_u64[4];
- kv.key[5] = ste_key.as_u64[5];
- clib_bihash_add_del_48_8 (&db->st.in2out, &kv, 0);
-
- clib_memset (&ste_key, 0, sizeof (ste_key));
- ste_key.l_addr.ip4.as_u32 = bibe->out_addr.as_u32;
- ste_key.r_addr.ip4.as_u32 = ste->out_r_addr.as_u32;
- ste_key.l_port = bibe->out_port;
- ste_key.r_port = ste->r_port;
- ste_key.proto = ste->proto;
- kv.key[0] = ste_key.as_u64[0];
- kv.key[1] = ste_key.as_u64[1];
- kv.key[2] = ste_key.as_u64[2];
- kv.key[3] = ste_key.as_u64[3];
- kv.key[4] = ste_key.as_u64[4];
- kv.key[5] = ste_key.as_u64[5];
- clib_bihash_add_del_48_8 (&db->st.out2in, &kv, 0);
-
- fib = fib_table_get (bibe->fib_index, FIB_PROTOCOL_IP6);
- nat_ipfix_logging_nat64_session (thread_index, &bibe->in_addr,
- &bibe->out_addr, bibe->proto,
- bibe->in_port, bibe->out_port,
- &ste->in_r_addr, &ste->out_r_addr,
- ste->r_port, ste->r_port, fib->ft_table_id,
- 0);
- nat_syslog_nat64_sdel (bibe->fib_index, &bibe->in_addr, bibe->in_port,
- &bibe->out_addr, bibe->out_port, &ste->out_r_addr,
- ste->r_port, bibe->proto);
-
- /* delete from pool */
- pool_put (st, ste);
-
- /* decrement session number for BIB entry */
- bibe->ses_num--;
-
- /* delete BIB entry if last session and dynamic */
- if (!bibe->is_static && !bibe->ses_num)
- nat64_db_bib_entry_free (thread_index, db, bibe);
-}
-
-nat64_db_st_entry_t *
-nat64_db_st_entry_find (nat64_db_t * db, ip46_address_t * l_addr,
- ip46_address_t * r_addr, u16 l_port, u16 r_port,
- u8 proto, u32 fib_index, u8 is_ip6)
-{
- nat64_db_st_entry_t *ste = 0;
- nat64_db_st_entry_t *st;
- nat64_db_st_entry_key_t ste_key;
- clib_bihash_kv_48_8_t kv, value;
-
- switch (ip_proto_to_nat_proto (proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- st = db->st._##n##_st; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- st = db->st._unk_proto_st;
- break;
- }
-
- clib_memset (&ste_key, 0, sizeof (ste_key));
- ste_key.l_addr.as_u64[0] = l_addr->as_u64[0];
- ste_key.l_addr.as_u64[1] = l_addr->as_u64[1];
- ste_key.r_addr.as_u64[0] = r_addr->as_u64[0];
- ste_key.r_addr.as_u64[1] = r_addr->as_u64[1];
- ste_key.fib_index = fib_index;
- ste_key.l_port = l_port;
- ste_key.r_port = r_port;
- ste_key.proto = proto;
- kv.key[0] = ste_key.as_u64[0];
- kv.key[1] = ste_key.as_u64[1];
- kv.key[2] = ste_key.as_u64[2];
- kv.key[3] = ste_key.as_u64[3];
- kv.key[4] = ste_key.as_u64[4];
- kv.key[5] = ste_key.as_u64[5];
-
- if (!clib_bihash_search_48_8
- (is_ip6 ? &db->st.in2out : &db->st.out2in, &kv, &value))
- ste = pool_elt_at_index (st, value.value);
-
- return ste;
-}
-
-u32
-nat64_db_st_entry_get_index (nat64_db_t * db, nat64_db_st_entry_t * ste)
-{
- nat64_db_st_entry_t *st;
-
- switch (ip_proto_to_nat_proto (ste->proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- st = db->st._##n##_st; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- st = db->st._unk_proto_st;
- return (u32) ~ 0;
- }
-
- return ste - st;
-}
-
-nat64_db_st_entry_t *
-nat64_db_st_entry_by_index (nat64_db_t * db, u8 proto, u32 ste_index)
-{
- nat64_db_st_entry_t *st;
-
- switch (ip_proto_to_nat_proto (proto))
- {
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- case NAT_PROTOCOL_##N: \
- st = db->st._##n##_st; \
- break;
- foreach_nat_protocol
-#undef _
-/* *INDENT-ON* */
- default:
- st = db->st._unk_proto_st;
- break;
- }
-
- return pool_elt_at_index (st, ste_index);
-}
-
-void
-nad64_db_st_free_expired (u32 thread_index, nat64_db_t * db, u32 now)
-{
- u32 *ste_to_be_free = 0, *ste_index;
- nat64_db_st_entry_t *st, *ste;
-
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- st = db->st._##n##_st; \
- pool_foreach (ste, st, ({\
- if (i == NAT_PROTOCOL_TCP && !ste->tcp_state) \
- continue; \
- if (ste->expire < now) \
- vec_add1 (ste_to_be_free, ste - st); \
- })); \
- vec_foreach (ste_index, ste_to_be_free) \
- nat64_db_st_entry_free (thread_index, db, \
- pool_elt_at_index(st, ste_index[0])); \
- vec_free (ste_to_be_free); \
- ste_to_be_free = 0;
- foreach_nat_protocol
-#undef _
- st = db->st._unk_proto_st;
- pool_foreach (ste, st, ({
- if (ste->expire < now)
- vec_add1 (ste_to_be_free, ste - st);
- }));
- vec_foreach (ste_index, ste_to_be_free)
- nat64_db_st_entry_free (thread_index, db,
- pool_elt_at_index(st, ste_index[0]));
- vec_free (ste_to_be_free);
-/* *INDENT-ON* */
-}
-
-void
-nat64_db_free_out_addr (u32 thread_index,
- nat64_db_t * db, ip4_address_t * out_addr)
-{
- u32 *ste_to_be_free = 0, *ste_index;
- nat64_db_st_entry_t *st, *ste;
- nat64_db_bib_entry_t *bibe;
-
- db->addr_free = 1;
-/* *INDENT-OFF* */
-#define _(N, i, n, s) \
- st = db->st._##n##_st; \
- pool_foreach (ste, st, ({ \
- bibe = pool_elt_at_index (db->bib._##n##_bib, ste->bibe_index); \
- if (bibe->out_addr.as_u32 == out_addr->as_u32) \
- vec_add1 (ste_to_be_free, ste - st); \
- })); \
- vec_foreach (ste_index, ste_to_be_free) \
- nat64_db_st_entry_free (thread_index, db, \
- pool_elt_at_index(st, ste_index[0])); \
- vec_free (ste_to_be_free); \
- ste_to_be_free = 0;
- foreach_nat_protocol
-#undef _
- st = db->st._unk_proto_st;
- pool_foreach (ste, st, ({
- bibe = pool_elt_at_index (db->bib._unk_proto_bib, ste->bibe_index);
- if (bibe->out_addr.as_u32 == out_addr->as_u32)
- vec_add1 (ste_to_be_free, ste - st);
- }));
- vec_foreach (ste_index, ste_to_be_free)
- nat64_db_st_entry_free (thread_index, db,
- pool_elt_at_index(st, ste_index[0]));
- vec_free (ste_to_be_free);
- db->addr_free = 0;
-/* *INDENT-ON* */
-}
-
-/*
- * fd.io coding-style-patch-verification: ON
- *
- * Local Variables:
- * eval: (c-set-style "gnu")
- * End:
- */
Code Review / vpp.git / blobdiff