From 1f36023d29137825b8a09578d09b955046c2415b Mon Sep 17 00:00:00 2001 From: Filip Varga Date: Mon, 14 Sep 2020 11:20:16 +0200 Subject: nat: move nat64 to a subfeature Type: refactor Change-Id: I3b9e17164647d2019b1f40cffeed63393345219e Signed-off-by: Filip Varga --- src/plugins/nat/nat64_db.c | 728 --------------------------------------------- 1 file changed, 728 deletions(-) delete mode 100644 src/plugins/nat/nat64_db.c (limited to 'src/plugins/nat/nat64_db.c') diff --git a/src/plugins/nat/nat64_db.c b/src/plugins/nat/nat64_db.c deleted file mode 100644 index 6e4973b249a..00000000000 --- a/src/plugins/nat/nat64_db.c +++ /dev/null @@ -1,728 +0,0 @@ -/* - * 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 -#include -#include -#include -#include - -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: - */ -- cgit 1.2.3-korg