From 2c6639c695aebf0cd5ac74ad31fd331547fa0126 Mon Sep 17 00:00:00 2001 From: Ole Troan Date: Thu, 19 Dec 2019 11:55:54 +0100 Subject: nat: move dslite to separate sub-plugin Type: refactor Change-Id: If3d9f16f3a06c10b354f1eef674e8db5f3c44de7 Signed-off-by: Ole Troan --- src/plugins/nat/dslite.c | 271 ----------------------------------------------- 1 file changed, 271 deletions(-) delete mode 100644 src/plugins/nat/dslite.c (limited to 'src/plugins/nat/dslite.c') diff --git a/src/plugins/nat/dslite.c b/src/plugins/nat/dslite.c deleted file mode 100644 index d9a17293fac..00000000000 --- a/src/plugins/nat/dslite.c +++ /dev/null @@ -1,271 +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. - */ -#include -#include -#include - -dslite_main_t dslite_main; - -void -dslite_init (vlib_main_t * vm) -{ - dslite_main_t *dm = &dslite_main; - vlib_thread_registration_t *tr; - vlib_thread_main_t *tm = vlib_get_thread_main (); - uword *p; - vlib_node_t *node; - dslite_per_thread_data_t *td; - u32 translation_buckets = 1024; - u32 translation_memory_size = 128 << 20; - u32 b4_buckets = 128; - u32 b4_memory_size = 64 << 20; - - node = vlib_get_node_by_name (vm, (u8 *) "dslite-in2out"); - dm->dslite_in2out_node_index = node->index; - - node = vlib_get_node_by_name (vm, (u8 *) "dslite-in2out-slowpath"); - dm->dslite_in2out_slowpath_node_index = node->index; - - node = vlib_get_node_by_name (vm, (u8 *) "dslite-out2in"); - dm->dslite_out2in_node_index = node->index; - - dm->first_worker_index = 0; - dm->num_workers = 0; - - p = hash_get_mem (tm->thread_registrations_by_name, "workers"); - if (p) - { - tr = (vlib_thread_registration_t *) p[0]; - if (tr) - { - dm->num_workers = tr->count; - dm->first_worker_index = tr->first_index; - } - } - - if (dm->num_workers) - dm->port_per_thread = (0xffff - 1024) / dm->num_workers; - else - dm->port_per_thread = 0xffff - 1024; - - vec_validate (dm->per_thread_data, tm->n_vlib_mains - 1); - - /* *INDENT-OFF* */ - vec_foreach (td, dm->per_thread_data) - { - clib_bihash_init_24_8 (&td->in2out, "in2out", translation_buckets, - translation_memory_size); - - clib_bihash_init_8_8 (&td->out2in, "out2in", translation_buckets, - translation_memory_size); - - clib_bihash_init_16_8 (&td->b4_hash, "b4s", b4_buckets, b4_memory_size); - } - /* *INDENT-ON* */ - - dm->is_ce = 0; - - /* Init counters */ - dm->total_b4s.name = "total-b4s"; - dm->total_b4s.stat_segment_name = "/dslite/total-b4s"; - vlib_validate_simple_counter (&dm->total_b4s, 0); - vlib_zero_simple_counter (&dm->total_b4s, 0); - dm->total_sessions.name = "total-sessions"; - dm->total_sessions.stat_segment_name = "/dslite/total-sessions"; - vlib_validate_simple_counter (&dm->total_sessions, 0); - vlib_zero_simple_counter (&dm->total_sessions, 0); - - dslite_dpo_module_init (); -} - -void -dslite_set_ce (dslite_main_t * dm, u8 set) -{ - dm->is_ce = (set != 0); -} - -int -dslite_set_aftr_ip6_addr (dslite_main_t * dm, ip6_address_t * addr) -{ - dpo_id_t dpo = DPO_INVALID; - - if (dm->is_ce) - { - dslite_ce_dpo_create (DPO_PROTO_IP4, 0, &dpo); - fib_prefix_t pfx = { - .fp_proto = FIB_PROTOCOL_IP4, - .fp_len = 0, - .fp_addr.ip4.as_u32 = 0, - }; - fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi, - FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); - } - else - { - dslite_dpo_create (DPO_PROTO_IP6, 0, &dpo); - fib_prefix_t pfx = { - .fp_proto = FIB_PROTOCOL_IP6, - .fp_len = 128, - .fp_addr.ip6.as_u64[0] = addr->as_u64[0], - .fp_addr.ip6.as_u64[1] = addr->as_u64[1], - }; - fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi, - FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); - } - - dpo_reset (&dpo); - - dm->aftr_ip6_addr.as_u64[0] = addr->as_u64[0]; - dm->aftr_ip6_addr.as_u64[1] = addr->as_u64[1]; - return 0; -} - -int -dslite_set_aftr_ip4_addr (dslite_main_t * dm, ip4_address_t * addr) -{ - dm->aftr_ip4_addr.as_u32 = addr->as_u32; - return 0; -} - -int -dslite_set_b4_ip6_addr (dslite_main_t * dm, ip6_address_t * addr) -{ - if (dm->is_ce) - { - dpo_id_t dpo = DPO_INVALID; - - dslite_ce_dpo_create (DPO_PROTO_IP6, 0, &dpo); - fib_prefix_t pfx = { - .fp_proto = FIB_PROTOCOL_IP6, - .fp_len = 128, - .fp_addr.ip6.as_u64[0] = addr->as_u64[0], - .fp_addr.ip6.as_u64[1] = addr->as_u64[1], - }; - fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi, - FIB_ENTRY_FLAG_EXCLUSIVE, &dpo); - - dpo_reset (&dpo); - - dm->b4_ip6_addr.as_u64[0] = addr->as_u64[0]; - dm->b4_ip6_addr.as_u64[1] = addr->as_u64[1]; - } - else - { - return VNET_API_ERROR_FEATURE_DISABLED; - } - - return 0; -} - -int -dslite_set_b4_ip4_addr (dslite_main_t * dm, ip4_address_t * addr) -{ - if (dm->is_ce) - { - dm->b4_ip4_addr.as_u32 = addr->as_u32; - } - else - { - return VNET_API_ERROR_FEATURE_DISABLED; - } - - return 0; -} - -int -dslite_add_del_pool_addr (dslite_main_t * dm, ip4_address_t * addr, u8 is_add) -{ - vlib_thread_main_t *tm = vlib_get_thread_main (); - snat_address_t *a = 0; - int i = 0; - dpo_id_t dpo_v4 = DPO_INVALID; - fib_prefix_t pfx = { - .fp_proto = FIB_PROTOCOL_IP4, - .fp_len = 32, - .fp_addr.ip4.as_u32 = addr->as_u32, - }; - - for (i = 0; i < vec_len (dm->addr_pool); i++) - { - if (dm->addr_pool[i].addr.as_u32 == addr->as_u32) - { - a = dm->addr_pool + i; - break; - } - } - if (is_add) - { - if (a) - return VNET_API_ERROR_VALUE_EXIST; - vec_add2 (dm->addr_pool, a, 1); - a->addr = *addr; -#define _(N, i, n, s) \ - clib_bitmap_alloc (a->busy_##n##_port_bitmap, 65535); \ - a->busy_##n##_ports = 0; \ - vec_validate_init_empty (a->busy_##n##_ports_per_thread, tm->n_vlib_mains - 1, 0); - foreach_snat_protocol -#undef _ - dslite_dpo_create (DPO_PROTO_IP4, 0, &dpo_v4); - fib_table_entry_special_dpo_add (0, &pfx, nat_fib_src_hi, - FIB_ENTRY_FLAG_EXCLUSIVE, &dpo_v4); - dpo_reset (&dpo_v4); - } - else - { - if (!a) - return VNET_API_ERROR_NO_SUCH_ENTRY; -#define _(N, id, n, s) \ - clib_bitmap_free (a->busy_##n##_port_bitmap); \ - vec_free (a->busy_##n##_ports_per_thread); - foreach_snat_protocol -#undef _ - fib_table_entry_special_remove (0, &pfx, nat_fib_src_hi); - vec_del1 (dm->addr_pool, i); - } - return 0; -} - -u8 * -format_dslite_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - dslite_trace_t *t = va_arg (*args, dslite_trace_t *); - - s = - format (s, "next index %d, session %d", t->next_index, t->session_index); - - return s; -} - -u8 * -format_dslite_ce_trace (u8 * s, va_list * args) -{ - CLIB_UNUSED (vlib_main_t * vm) = va_arg (*args, vlib_main_t *); - CLIB_UNUSED (vlib_node_t * node) = va_arg (*args, vlib_node_t *); - dslite_ce_trace_t *t = va_arg (*args, dslite_ce_trace_t *); - - s = format (s, "next index %d", t->next_index); - - return s; -} - -/* - * fd.io coding-style-patch-verification: ON - * - * Local Variables: - * eval: (c-set-style "gnu") - * End: - */ -- cgit 1.2.3-korg