af_packet: invalid TCP/UDP offload checksum on RX node recalculation - vpp

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author	Jakub Grajciar <Jakub.Grajciar@pantheon.tech>	2017-10-20 13:37:28 +0200
committer	Damjan Marion <dmarion.lists@gmail.com>	2017-10-23 16:00:38 +0000
commit	92b0275a364022af6ab828dfac83e38c0117cfe6 (patch)
tree	b6fe19970fa41f7575c1577656da8e237d42cafe /src/examples/sample-plugin
parent	fb66301070cf2e77b61296dea9686a4ac6a94976 (diff)

af_packet: invalid TCP/UDP offload checksum on RX node recalculation

Change-Id: I1075e5d2a1b6dfe3a443b40b41b8458a30505680 Signed-off-by: Jakub Grajciar <Jakub.Grajciar@pantheon.tech> Signed-off-by: Jakub.Grajciar@pantheon.tech <Jakub.Grajciar@pantheon.tech>

Diffstat (limited to 'src/examples/sample-plugin')

0 files changed, 0 insertions, 0 deletions

/* * 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 NAT44 CLI */ #include <nat/nat.h> #include <nat/nat_ipfix_logging.h> #include <nat/nat_det.h> #include <nat/nat_inlines.h> #include <vnet/fib/fib_table.h> #define UNSUPPORTED_IN_DET_MODE_STR \ "This command is unsupported in deterministic mode" #define SUPPORTED_ONLY_IN_DET_MODE_STR \ "This command is supported only in deterministic mode" static clib_error_t * set_workers_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; uword *bitmap = 0; int rv = 0; clib_error_t *error = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_bitmap_list, &bitmap)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (bitmap == 0) { error = clib_error_return (0, "List of workers must be specified."); goto done; } rv = snat_set_workers (bitmap); clib_bitmap_free (bitmap); switch (rv) { case VNET_API_ERROR_INVALID_WORKER: error = clib_error_return (0, "Invalid worker(s)."); goto done; case VNET_API_ERROR_FEATURE_DISABLED: error = clib_error_return (0, "Supported only if 2 or more workes available."); goto done; default: break; } done: unformat_free (line_input); return error; } static clib_error_t * nat_show_workers_commnad_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; u32 *worker; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); if (sm->num_workers > 1) { vlib_cli_output (vm, "%d workers", vec_len (sm->workers)); /* *INDENT-OFF* */ vec_foreach (worker, sm->workers) { vlib_worker_thread_t *w = vlib_worker_threads + *worker + sm->first_worker_index; vlib_cli_output (vm, " %s", w->name); } /* *INDENT-ON* */ } return 0; } static clib_error_t * snat_ipfix_logging_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; u32 domain_id = 0; u32 src_port = 0; u8 enable = 1; int rv = 0; clib_error_t *error = 0; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "domain %d", &domain_id)) ; else if (unformat (line_input, "src-port %d", &src_port)) ; else if (unformat (line_input, "disable")) enable = 0; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } rv = snat_ipfix_logging_enable_disable (enable, domain_id, (u16) src_port); if (rv) { error = clib_error_return (0, "ipfix logging enable failed"); goto done; } done: unformat_free (line_input); return error; } static clib_error_t * nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_main_per_thread_data_t *tsm; int i; int verbose = 0; if (unformat (input, "detail")) verbose = 1; else if (unformat (input, "verbose")) verbose = 2; vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_local, verbose); vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_external, verbose); vec_foreach_index (i, sm->per_thread_data) { tsm = vec_elt_at_index (sm->per_thread_data, i); vlib_cli_output (vm, "-------- thread %d %s --------\n", i, vlib_worker_threads[i].name); if (sm->endpoint_dependent) { vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed, verbose); vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->out2in_ed, verbose); } else { vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose); vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose); } vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->user_hash, verbose); } return 0; } static clib_error_t * nat44_set_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; clib_error_t *error = 0; u32 psid, psid_offset, psid_length; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "default")) nat_set_alloc_addr_and_port_default (); else if (unformat (line_input, "map-e psid %d psid-offset %d psid-len %d", &psid, &psid_offset, &psid_length)) nat_set_alloc_addr_and_port_mape ((u16) psid, (u16) psid_offset, (u16) psid_length); else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } done: unformat_free (line_input); return error; }; static clib_error_t * add_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; ip4_address_t start_addr, end_addr, this_addr; u32 start_host_order, end_host_order; u32 vrf_id = ~0; int i, count; int is_add = 1; int rv = 0; clib_error_t *error = 0; u8 twice_nat = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U - %U", unformat_ip4_address, &start_addr, unformat_ip4_address, &end_addr)) ; else if (unformat (line_input, "tenant-vrf %u", &vrf_id)) ; else if (unformat (line_input, "%U", unformat_ip4_address, &start_addr)) end_addr = start_addr; else if (unformat (line_input, "twice-nat")) twice_nat = 1; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (sm->static_mapping_only) { error = clib_error_return (0, "static mapping only mode"); goto done; } start_host_order = clib_host_to_net_u32 (start_addr.as_u32); end_host_order = clib_host_to_net_u32 (end_addr.as_u32); if (end_host_order < start_host_order) { error = clib_error_return (0, "end address less than start address"); goto done; } count = (end_host_order - start_host_order) + 1; if (count > 1024) nat_log_info ("%U - %U, %d addresses...", format_ip4_address, &start_addr, format_ip4_address, &end_addr, count); this_addr = start_addr; for (i = 0; i < count; i++) { if (is_add) rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat); else rv = snat_del_address (sm, this_addr, 0, twice_nat); switch (rv) { case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "NAT address already in use."); goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: error = clib_error_return (0, "NAT address not exist."); goto done; case VNET_API_ERROR_UNSPECIFIED: error = clib_error_return (0, "NAT address used in static mapping."); goto done; case VNET_API_ERROR_FEATURE_DISABLED: error = clib_error_return (0, "twice NAT available only for endpoint-dependent mode."); goto done; default: break; } if (sm->out2in_dpo) nat44_add_del_address_dpo (this_addr, is_add); increment_v4_address (&this_addr); } done: unformat_free (line_input); return error; } static clib_error_t * nat44_show_addresses_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_address_t *ap; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); vlib_cli_output (vm, "NAT44 pool addresses:"); /* *INDENT-OFF* */ vec_foreach (ap, sm->addresses) { vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr); if (ap->fib_index != ~0) vlib_cli_output (vm, " tenant VRF: %u", fib_table_get(ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id); else vlib_cli_output (vm, " tenant VRF independent"); #define _(N, i, n, s) \ vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s); foreach_snat_protocol #undef _ } vlib_cli_output (vm, "NAT44 twice-nat pool addresses:"); vec_foreach (ap, sm->twice_nat_addresses) { vlib_cli_output (vm, "%U", format_ip4_address, &ap->addr); if (ap->fib_index != ~0) vlib_cli_output (vm, " tenant VRF: %u", fib_table_get(ap->fib_index, FIB_PROTOCOL_IP4)->ft_table_id); else vlib_cli_output (vm, " tenant VRF independent"); #define _(N, i, n, s) \ vlib_cli_output (vm, " %d busy %s ports", ap->busy_##n##_ports, s); foreach_snat_protocol #undef _ } /* *INDENT-ON* */ return 0; } static clib_error_t * snat_feature_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; vnet_main_t *vnm = vnet_get_main (); clib_error_t *error = 0; u32 sw_if_index; u32 *inside_sw_if_indices = 0; u32 *outside_sw_if_indices = 0; u8 is_output_feature = 0; int is_del = 0; int i; sw_if_index = ~0; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "in %U", unformat_vnet_sw_interface, vnm, &sw_if_index)) vec_add1 (inside_sw_if_indices, sw_if_index); else if (unformat (line_input, "out %U", unformat_vnet_sw_interface, vnm, &sw_if_index)) vec_add1 (outside_sw_if_indices, sw_if_index); else if (unformat (line_input, "output-feature")) is_output_feature = 1; else if (unformat (line_input, "del")) is_del = 1; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (vec_len (inside_sw_if_indices)) { for (i = 0; i < vec_len (inside_sw_if_indices); i++) { sw_if_index = inside_sw_if_indices[i]; if (is_output_feature) { if (snat_interface_add_del_output_feature (sw_if_index, 1, is_del)) { error = clib_error_return (0, "%s %U failed", is_del ? "del" : "add", format_vnet_sw_if_index_name, vnm, sw_if_index); goto done; } } else { if (snat_interface_add_del (sw_if_index, 1, is_del)) { error = clib_error_return (0, "%s %U failed", is_del ? "del" : "add", format_vnet_sw_if_index_name, vnm, sw_if_index); goto done; } } } } if (vec_len (outside_sw_if_indices)) { for (i = 0; i < vec_len (outside_sw_if_indices); i++) { sw_if_index = outside_sw_if_indices[i]; if (is_output_feature) { if (snat_interface_add_del_output_feature (sw_if_index, 0, is_del)) { error = clib_error_return (0, "%s %U failed", is_del ? "del" : "add", format_vnet_sw_if_index_name, vnm, sw_if_index); goto done; } } else { if (snat_interface_add_del (sw_if_index, 0, is_del)) { error = clib_error_return (0, "%s %U failed", is_del ? "del" : "add", format_vnet_sw_if_index_name, vnm, sw_if_index); goto done; } } } } done: unformat_free (line_input); vec_free (inside_sw_if_indices); vec_free (outside_sw_if_indices); return error; } static clib_error_t * nat44_show_interfaces_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_interface_t *i; vnet_main_t *vnm = vnet_get_main (); vlib_cli_output (vm, "NAT44 interfaces:"); /* *INDENT-OFF* */ pool_foreach (i, sm->interfaces, ({ vlib_cli_output (vm, " %U %s", format_vnet_sw_if_index_name, vnm, i->sw_if_index, (nat_interface_is_inside(i) && nat_interface_is_outside(i)) ? "in out" : (nat_interface_is_inside(i) ? "in" : "out")); })); pool_foreach (i, sm->output_feature_interfaces, ({ vlib_cli_output (vm, " %U output-feature %s", format_vnet_sw_if_index_name, vnm, i->sw_if_index, (nat_interface_is_inside(i) && nat_interface_is_outside(i)) ? "in out" : (nat_interface_is_inside(i) ? "in" : "out")); })); /* *INDENT-ON* */ return 0; } static clib_error_t * add_static_mapping_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; clib_error_t *error = 0; ip4_address_t l_addr, e_addr; u32 l_port = 0, e_port = 0, vrf_id = ~0; int is_add = 1; int addr_only = 1; u32 sw_if_index = ~0; vnet_main_t *vnm = vnet_get_main (); int rv; snat_protocol_t proto = ~0; u8 proto_set = 0; twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; u8 out2in_only = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "local %U %u", unformat_ip4_address, &l_addr, &l_port)) addr_only = 0; else if (unformat (line_input, "local %U", unformat_ip4_address, &l_addr)) ; else if (unformat (line_input, "external %U %u", unformat_ip4_address, &e_addr, &e_port)) addr_only = 0; else if (unformat (line_input, "external %U", unformat_ip4_address, &e_addr)) ; else if (unformat (line_input, "external %U %u", unformat_vnet_sw_interface, vnm, &sw_if_index, &e_port)) addr_only = 0; else if (unformat (line_input, "external %U", unformat_vnet_sw_interface, vnm, &sw_if_index)) ; else if (unformat (line_input, "vrf %u", &vrf_id)) ; else if (unformat (line_input, "%U", unformat_snat_protocol, &proto)) proto_set = 1; else if (unformat (line_input, "twice-nat")) twice_nat = TWICE_NAT; else if (unformat (line_input, "self-twice-nat")) twice_nat = TWICE_NAT_SELF; else if (unformat (line_input, "out2in-only")) out2in_only = 1; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input: '%U'", format_unformat_error, line_input); goto done; } } if (twice_nat && addr_only) { error = clib_error_return (0, "twice NAT only for 1:1 NAPT"); goto done; } if (!addr_only && !proto_set) { error = clib_error_return (0, "missing protocol"); goto done; } rv = snat_add_static_mapping (l_addr, e_addr, (u16) l_port, (u16) e_port, vrf_id, addr_only, sw_if_index, proto, is_add, twice_nat, out2in_only, 0); switch (rv) { case VNET_API_ERROR_INVALID_VALUE: error = clib_error_return (0, "External port already in use."); goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) error = clib_error_return (0, "External addres must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; case VNET_API_ERROR_NO_SUCH_FIB: error = clib_error_return (0, "No such VRF id."); goto done; case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "Mapping already exist."); goto done; case VNET_API_ERROR_FEATURE_DISABLED: error = clib_error_return (0, "twice-nat/out2in-only available only for endpoint-dependent mode."); goto done; default: break; } done: unformat_free (line_input); return error; } static clib_error_t * add_identity_mapping_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; clib_error_t *error = 0; ip4_address_t addr; u32 port = 0, vrf_id = ~0; int is_add = 1; int addr_only = 1; u32 sw_if_index = ~0; vnet_main_t *vnm = vnet_get_main (); int rv; snat_protocol_t proto; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); addr.as_u32 = 0; /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_ip4_address, &addr)) ; else if (unformat (line_input, "external %U", unformat_vnet_sw_interface, vnm, &sw_if_index)) ; else if (unformat (line_input, "vrf %u", &vrf_id)) ; else if (unformat (line_input, "%U %u", unformat_snat_protocol, &proto, &port)) addr_only = 0; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input: '%U'", format_unformat_error, line_input); goto done; } } rv = snat_add_static_mapping (addr, addr, (u16) port, (u16) port, vrf_id, addr_only, sw_if_index, proto, is_add, 0, 0, 0); switch (rv) { case VNET_API_ERROR_INVALID_VALUE: error = clib_error_return (0, "External port already in use."); goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) error = clib_error_return (0, "External addres must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; case VNET_API_ERROR_NO_SUCH_FIB: error = clib_error_return (0, "No such VRF id."); goto done; case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "Mapping already exist."); goto done; default: break; } done: unformat_free (line_input); return error; } static clib_error_t * add_lb_static_mapping_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; clib_error_t *error = 0; ip4_address_t l_addr, e_addr; u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0; int is_add = 1; int rv; snat_protocol_t proto; u8 proto_set = 0; nat44_lb_addr_port_t *locals = 0, local; twice_nat_type_t twice_nat = TWICE_NAT_DISABLED; u8 out2in_only = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "local %U:%u probability %u", unformat_ip4_address, &l_addr, &l_port, &probability)) { memset (&local, 0, sizeof (local)); local.addr = l_addr; local.port = (u16) l_port; local.probability = (u8) probability; vec_add1 (locals, local); } else if (unformat (line_input, "external %U:%u", unformat_ip4_address, &e_addr, &e_port)) ; else if (unformat (line_input, "vrf %u", &vrf_id)) ; else if (unformat (line_input, "protocol %U", unformat_snat_protocol, &proto)) proto_set = 1; else if (unformat (line_input, "twice-nat")) twice_nat = TWICE_NAT; else if (unformat (line_input, "self-twice-nat")) twice_nat = TWICE_NAT_SELF; else if (unformat (line_input, "out2in-only")) out2in_only = 1; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input: '%U'", format_unformat_error, line_input); goto done; } } if (vec_len (locals) < 2) { error = clib_error_return (0, "at least two local must be set"); goto done; } if (!proto_set) { error = clib_error_return (0, "missing protocol"); goto done; } rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, vrf_id, locals, is_add, twice_nat, out2in_only, 0); switch (rv) { case VNET_API_ERROR_INVALID_VALUE: error = clib_error_return (0, "External port already in use."); goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) error = clib_error_return (0, "External addres must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "Mapping already exist."); goto done; case VNET_API_ERROR_FEATURE_DISABLED: error = clib_error_return (0, "Available only for endpoint-dependent mode."); goto done; default: break; } done: unformat_free (line_input); vec_free (locals); return error; } static clib_error_t * nat44_show_static_mappings_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_static_mapping_t *m; snat_static_map_resolve_t *rp; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); vlib_cli_output (vm, "NAT44 static mappings:"); /* *INDENT-OFF* */ pool_foreach (m, sm->static_mappings, ({ vlib_cli_output (vm, " %U", format_snat_static_mapping, m); })); vec_foreach (rp, sm->to_resolve) vlib_cli_output (vm, " %U", format_snat_static_map_to_resolve, rp); /* *INDENT-ON* */ return 0; } static clib_error_t * snat_add_interface_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; u32 sw_if_index; int rv; int is_del = 0; clib_error_t *error = 0; u8 twice_nat = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_vnet_sw_interface, sm->vnet_main, &sw_if_index)) ; else if (unformat (line_input, "twice-nat")) twice_nat = 1; else if (unformat (line_input, "del")) is_del = 1; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } rv = snat_add_interface_address (sm, sw_if_index, is_del, twice_nat); switch (rv) { case 0: break; default: error = clib_error_return (0, "snat_add_interface_address returned %d", rv); goto done; } done: unformat_free (line_input); return error; } static clib_error_t * nat44_show_interface_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; vnet_main_t *vnm = vnet_get_main (); u32 *sw_if_index; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* *INDENT-OFF* */ vlib_cli_output (vm, "NAT44 pool address interfaces:"); vec_foreach (sw_if_index, sm->auto_add_sw_if_indices) { vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm, *sw_if_index); } vlib_cli_output (vm, "NAT44 twice-nat pool address interfaces:"); vec_foreach (sw_if_index, sm->auto_add_sw_if_indices_twice_nat) { vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name, vnm, *sw_if_index); } /* *INDENT-ON* */ return 0; } static clib_error_t * nat44_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { int verbose = 0; snat_main_t *sm = &snat_main; snat_main_per_thread_data_t *tsm; snat_user_t *u; int i = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); if (unformat (input, "detail")) verbose = 1; vlib_cli_output (vm, "NAT44 sessions:"); /* *INDENT-OFF* */ vec_foreach_index (i, sm->per_thread_data) { tsm = vec_elt_at_index (sm->per_thread_data, i); vlib_cli_output (vm, "-------- thread %d %s --------\n", i, vlib_worker_threads[i].name); pool_foreach (u, tsm->users, ({ vlib_cli_output (vm, " %U", format_snat_user, tsm, u, verbose); })); } /* *INDENT-ON* */ return 0; } static clib_error_t * nat44_del_session_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; int is_in = 0, is_ed = 0; clib_error_t *error = 0; ip4_address_t addr, eh_addr; u32 port = 0, eh_port = 0, vrf_id = sm->outside_vrf_id; snat_protocol_t proto; int rv; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U:%u %U", unformat_ip4_address, &addr, &port, unformat_snat_protocol, &proto)) ; else if (unformat (line_input, "in")) { is_in = 1; vrf_id = sm->inside_vrf_id; } else if (unformat (line_input, "out")) { is_in = 0; vrf_id = sm->outside_vrf_id; } else if (unformat (line_input, "vrf %u", &vrf_id)) ; else if (unformat (line_input, "external-host %U:%u", unformat_ip4_address, &eh_addr, &eh_port)) is_ed = 1; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (is_ed) rv = nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, snat_proto_to_ip_proto (proto), vrf_id, is_in); else rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in); switch (rv) { case 0: break; default: error = clib_error_return (0, "nat44_del_session returned %d", rv); goto done; } done: unformat_free (line_input); return error; } static clib_error_t * snat_forwarding_set_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; u8 forwarding_enable; u8 forwarding_enable_set = 0; clib_error_t *error = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return clib_error_return (0, "'enable' or 'disable' expected"); while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (!forwarding_enable_set && unformat (line_input, "enable")) { forwarding_enable = 1; forwarding_enable_set = 1; } else if (!forwarding_enable_set && unformat (line_input, "disable")) { forwarding_enable = 0; forwarding_enable_set = 1; } else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (!forwarding_enable_set) { error = clib_error_return (0, "'enable' or 'disable' expected"); goto done; } sm->forwarding_enabled = forwarding_enable; done: unformat_free (line_input); return error; } static clib_error_t * snat_det_map_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t in_addr, out_addr; u32 in_plen, out_plen; int is_add = 1, rv; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "in %U/%u", unformat_ip4_address, &in_addr, &in_plen)) ; else if (unformat (line_input, "out %U/%u", unformat_ip4_address, &out_addr, &out_plen)) ; else if (unformat (line_input, "del")) is_add = 0; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } rv = snat_det_add_map (sm, &in_addr, (u8) in_plen, &out_addr, (u8) out_plen, is_add); if (rv) { error = clib_error_return (0, "snat_det_add_map return %d", rv); goto done; } done: unformat_free (line_input); return error; } static clib_error_t * nat44_det_show_mappings_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_det_map_t *dm; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); vlib_cli_output (vm, "NAT44 deterministic mappings:"); /* *INDENT-OFF* */ pool_foreach (dm, sm->det_maps, ({ vlib_cli_output (vm, " in %U/%d out %U/%d\n", format_ip4_address, &dm->in_addr, dm->in_plen, format_ip4_address, &dm->out_addr, dm->out_plen); vlib_cli_output (vm, " outside address sharing ratio: %d\n", dm->sharing_ratio); vlib_cli_output (vm, " number of ports per inside host: %d\n", dm->ports_per_host); vlib_cli_output (vm, " sessions number: %d\n", dm->ses_num); })); /* *INDENT-ON* */ return 0; } static clib_error_t * snat_det_forward_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t in_addr, out_addr; u16 lo_port; snat_det_map_t *dm; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U", unformat_ip4_address, &in_addr)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } dm = snat_det_map_by_user (sm, &in_addr); if (!dm) vlib_cli_output (vm, "no match"); else { snat_det_forward (dm, &in_addr, &out_addr, &lo_port); vlib_cli_output (vm, "%U:<%d-%d>", format_ip4_address, &out_addr, lo_port, lo_port + dm->ports_per_host - 1); } done: unformat_free (line_input); return error; } static clib_error_t * snat_det_reverse_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t in_addr, out_addr; u32 out_port; snat_det_map_t *dm; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U:%d", unformat_ip4_address, &out_addr, &out_port)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } if (out_port < 1024 || out_port > 65535) { error = clib_error_return (0, "wrong port, must be <1024-65535>"); goto done; } dm = snat_det_map_by_out (sm, &out_addr); if (!dm) vlib_cli_output (vm, "no match"); else { snat_det_reverse (dm, &out_addr, (u16) out_port, &in_addr); vlib_cli_output (vm, "%U", format_ip4_address, &in_addr); } done: unformat_free (line_input); return error; } static clib_error_t * set_timeout_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "udp %u", &sm->udp_timeout)) ; else if (unformat (line_input, "tcp-established %u", &sm->tcp_established_timeout)) ; else if (unformat (line_input, "tcp-transitory %u", &sm->tcp_transitory_timeout)) ; else if (unformat (line_input, "icmp %u", &sm->icmp_timeout)) ; else if (unformat (line_input, "reset")) { sm->udp_timeout = SNAT_UDP_TIMEOUT; sm->tcp_established_timeout = SNAT_TCP_ESTABLISHED_TIMEOUT; sm->tcp_transitory_timeout = SNAT_TCP_TRANSITORY_TIMEOUT; sm->icmp_timeout = SNAT_ICMP_TIMEOUT; } else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } done: unformat_free (line_input); return error; } static clib_error_t * nat44_det_show_timeouts_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout); vlib_cli_output (vm, "tcp-established timeout: %dsec", sm->tcp_established_timeout); vlib_cli_output (vm, "tcp-transitory timeout: %dsec", sm->tcp_transitory_timeout); vlib_cli_output (vm, "icmp timeout: %dsec", sm->icmp_timeout); return 0; } static clib_error_t * nat44_det_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; snat_det_map_t *dm; snat_det_session_t *ses; int i; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); vlib_cli_output (vm, "NAT44 deterministic sessions:"); /* *INDENT-OFF* */ pool_foreach (dm, sm->det_maps, ({ vec_foreach_index (i, dm->sessions) { ses = vec_elt_at_index (dm->sessions, i); if (ses->in_port) vlib_cli_output (vm, " %U", format_det_map_ses, dm, ses, &i); } })); /* *INDENT-ON* */ return 0; } static clib_error_t * snat_det_close_session_out_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t out_addr, ext_addr, in_addr; u32 out_port, ext_port; snat_det_map_t *dm; snat_det_session_t *ses; snat_det_out_key_t key; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U:%d %U:%d", unformat_ip4_address, &out_addr, &out_port, unformat_ip4_address, &ext_addr, &ext_port)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } unformat_free (line_input); dm = snat_det_map_by_out (sm, &out_addr); if (!dm) vlib_cli_output (vm, "no match"); else { snat_det_reverse (dm, &ext_addr, (u16) out_port, &in_addr); key.ext_host_addr = out_addr; key.ext_host_port = ntohs ((u16) ext_port); key.out_port = ntohs ((u16) out_port); ses = snat_det_get_ses_by_out (dm, &out_addr, key.as_u64); if (!ses) vlib_cli_output (vm, "no match"); else snat_det_ses_close (dm, ses); } done: unformat_free (line_input); return error; } static clib_error_t * snat_det_close_session_in_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; ip4_address_t in_addr, ext_addr; u32 in_port, ext_port; snat_det_map_t *dm; snat_det_session_t *ses; snat_det_out_key_t key; clib_error_t *error = 0; if (!sm->deterministic) return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "%U:%d %U:%d", unformat_ip4_address, &in_addr, &in_port, unformat_ip4_address, &ext_addr, &ext_port)) ; else { error = clib_error_return (0, "unknown input '%U'", format_unformat_error, line_input); goto done; } } unformat_free (line_input); dm = snat_det_map_by_user (sm, &in_addr); if (!dm) vlib_cli_output (vm, "no match"); else { key.ext_host_addr = ext_addr; key.ext_host_port = ntohs ((u16) ext_port); ses = snat_det_find_ses_by_in (dm, &in_addr, ntohs ((u16) in_port), key); if (!ses) vlib_cli_output (vm, "no match"); else snat_det_ses_close (dm, ses); } done: unformat_free (line_input); return error; } /* *INDENT-OFF* */ /*? * @cliexpar * @cliexstart{set snat workers} * Set NAT workers if 2 or more workers available, use: * vpp# set snat workers 0-2,5 * @cliexend ?*/ VLIB_CLI_COMMAND (set_workers_command, static) = { .path = "set nat workers", .function = set_workers_command_fn, .short_help = "set nat workers <workers-list>", }; /*? * @cliexpar * @cliexstart{show nat workers} * Show NAT workers. * vpp# show nat workers: * 2 workers * vpp_wk_0 * vpp_wk_1 * @cliexend ?*/ VLIB_CLI_COMMAND (nat_show_workers_command, static) = { .path = "show nat workers", .short_help = "show nat workers", .function = nat_show_workers_commnad_fn, }; /*? * @cliexpar * @cliexstart{snat ipfix logging} * To enable NAT IPFIX logging use: * vpp# nat ipfix logging * To set IPFIX exporter use: * vpp# set ipfix exporter collector 10.10.10.3 src 10.10.10.1 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_ipfix_logging_enable_disable_command, static) = { .path = "nat ipfix logging", .function = snat_ipfix_logging_enable_disable_command_fn, .short_help = "nat ipfix logging [domain <domain-id>] [src-port <port>] [disable]", }; /*? * @cliexpar * @cliexstart{nat addr-port-assignment-alg} * Set address and port assignment algorithm * For the MAP-E CE limit port choice based on PSID use: * vpp# nat addr-port-assignment-alg map-e psid 10 psid-offset 6 psid-len 6 * To set standard (default) address and port assignment algorithm use: * vpp# nat addr-port-assignment-alg default * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_set_alloc_addr_and_port_alg_command, static) = { .path = "nat addr-port-assignment-alg", .short_help = "nat addr-port-assignment-alg <alg-name> [<alg-params>]", .function = nat44_set_alloc_addr_and_port_alg_command_fn, }; /*? * @cliexpar * @cliexstart{show nat44 hash tables} * Show NAT44 hash tables * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_hash, static) = { .path = "show nat44 hash tables", .short_help = "show nat44 hash tables [detail|verbose]", .function = nat44_show_hash_commnad_fn, }; /*? * @cliexpar * @cliexstart{nat44 add address} * Add/delete NAT44 pool address. * To add NAT44 pool address use: * vpp# nat44 add address 172.16.1.3 * vpp# nat44 add address 172.16.2.2 - 172.16.2.24 * To add NAT44 pool address for specific tenant (identified by VRF id) use: * vpp# nat44 add address 172.16.1.3 tenant-vrf 10 * @cliexend ?*/ VLIB_CLI_COMMAND (add_address_command, static) = { .path = "nat44 add address", .short_help = "nat44 add address <ip4-range-start> [- <ip4-range-end>] " "[tenant-vrf <vrf-id>] [twice-nat] [del]", .function = add_address_command_fn, }; /*? * @cliexpar * @cliexstart{show nat44 addresses} * Show NAT44 pool addresses. * vpp# show nat44 addresses * NAT44 pool addresses: * 172.16.2.2 * tenant VRF independent * 10 busy udp ports * 0 busy tcp ports * 0 busy icmp ports * 172.16.1.3 * tenant VRF: 10 * 0 busy udp ports * 2 busy tcp ports * 0 busy icmp ports * NAT44 twice-nat pool addresses: * 10.20.30.72 * tenant VRF independent * 0 busy udp ports * 0 busy tcp ports * 0 busy icmp ports * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_addresses_command, static) = { .path = "show nat44 addresses", .short_help = "show nat44 addresses", .function = nat44_show_addresses_command_fn, }; /*? * @cliexpar * @cliexstart{set interface nat44} * Enable/disable NAT44 feature on the interface. * To enable NAT44 feature with local network interface use: * vpp# set interface nat44 in GigabitEthernet0/8/0 * To enable NAT44 feature with external network interface use: * vpp# set interface nat44 out GigabitEthernet0/a/0 * @cliexend ?*/ VLIB_CLI_COMMAND (set_interface_snat_command, static) = { .path = "set interface nat44", .function = snat_feature_command_fn, .short_help = "set interface nat44 in <intfc> out <intfc> [output-feature] " "[del]", }; /*? * @cliexpar * @cliexstart{show nat44 interfaces} * Show interfaces with NAT44 feature. * vpp# show nat44 interfaces * NAT44 interfaces: * GigabitEthernet0/8/0 in * GigabitEthernet0/a/0 out * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_interfaces_command, static) = { .path = "show nat44 interfaces", .short_help = "show nat44 interfaces", .function = nat44_show_interfaces_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 add static mapping} * Static mapping allows hosts on the external network to initiate connection * to to the local network host. * To create static mapping between local host address 10.0.0.3 port 6303 and * external address 4.4.4.4 port 3606 for TCP protocol use: * vpp# nat44 add static mapping tcp local 10.0.0.3 6303 external 4.4.4.4 3606 * If not runnig "static mapping only" NAT plugin mode use before: * vpp# nat44 add address 4.4.4.4 * To create static mapping between local and external address use: * vpp# nat44 add static mapping local 10.0.0.3 external 4.4.4.4 * @cliexend ?*/ VLIB_CLI_COMMAND (add_static_mapping_command, static) = { .path = "nat44 add static mapping", .function = add_static_mapping_command_fn, .short_help = "nat44 add static mapping tcp|udp|icmp local <addr> [<port>] " "external <addr> [<port>] [vrf <table-id>] [twice-nat|self-twice-nat] " "[out2in-only] [del]", }; /*? * @cliexpar * @cliexstart{nat44 add identity mapping} * Identity mapping translate an IP address to itself. * To create identity mapping for address 10.0.0.3 port 6303 for TCP protocol * use: * vpp# nat44 add identity mapping 10.0.0.3 tcp 6303 * To create identity mapping for address 10.0.0.3 use: * vpp# nat44 add identity mapping 10.0.0.3 * To create identity mapping for DHCP addressed interface use: * vpp# nat44 add identity mapping GigabitEthernet0/a/0 tcp 3606 * @cliexend ?*/ VLIB_CLI_COMMAND (add_identity_mapping_command, static) = { .path = "nat44 add identity mapping", .function = add_identity_mapping_command_fn, .short_help = "nat44 add identity mapping <interface>|<ip4-addr> " "[<protocol> <port>] [vrf <table-id>] [del]", }; /*? * @cliexpar * @cliexstart{nat44 add load-balancing static mapping} * Service load balancing using NAT44 * To add static mapping with load balancing for service with external IP * address 1.2.3.4 and TCP port 80 and mapped to 2 local servers * 10.100.10.10:8080 and 10.100.10.20:8080 with probability 80% resp. 20% use: * vpp# nat44 add load-balancing static mapping protocol tcp external 1.2.3.4:80 local 10.100.10.10:8080 probability 80 local 10.100.10.20:8080 probability 20 * @cliexend ?*/ VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = { .path = "nat44 add load-balancing static mapping", .function = add_lb_static_mapping_command_fn, .short_help = "nat44 add load-balancing static mapping protocol tcp|udp " "external <addr>:<port> local <addr>:<port> probability <n> " "[twice-nat|self-twice-nat] [vrf <table-id>] [out2in-only] [del]", }; /*? * @cliexpar * @cliexstart{show nat44 static mappings} * Show NAT44 static mappings. * vpp# show nat44 static mappings * NAT44 static mappings: * local 10.0.0.3 external 4.4.4.4 vrf 0 * tcp local 192.168.0.4:6303 external 4.4.4.3:3606 vrf 0 * tcp vrf 0 external 1.2.3.4:80 out2in-only * local 10.100.10.10:8080 probability 80 * local 10.100.10.20:8080 probability 20 * tcp local 10.100.3.8:8080 external 169.10.10.1:80 vrf 0 twice-nat * tcp local 10.0.0.10:3603 external GigabitEthernet0/a/0:6306 vrf 10 * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_static_mappings_command, static) = { .path = "show nat44 static mappings", .short_help = "show nat44 static mappings", .function = nat44_show_static_mappings_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 add interface address} * Use NAT44 pool address from specific interfce * To add NAT44 pool address from specific interface use: * vpp# nat44 add interface address GigabitEthernet0/8/0 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_add_interface_address_command, static) = { .path = "nat44 add interface address", .short_help = "nat44 add interface address <interface> [twice-nat] [del]", .function = snat_add_interface_address_command_fn, }; /*? * @cliexpar * @cliexstart{show nat44 interface address} * Show NAT44 pool address interfaces * vpp# show nat44 interface address * NAT44 pool address interfaces: * GigabitEthernet0/a/0 * NAT44 twice-nat pool address interfaces: * GigabitEthernet0/8/0 * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_interface_address_command, static) = { .path = "show nat44 interface address", .short_help = "show nat44 interface address", .function = nat44_show_interface_address_command_fn, }; /*? * @cliexpar * @cliexstart{show nat44 sessions} * Show NAT44 sessions. * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = { .path = "show nat44 sessions", .short_help = "show nat44 sessions [detail]", .function = nat44_show_sessions_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 del session} * To administratively delete NAT44 session by inside address and port use: * vpp# nat44 del session in 10.0.0.3:6303 tcp * To administratively delete NAT44 session by outside address and port use: * vpp# nat44 del session out 1.0.0.3:6033 udp * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_del_session_command, static) = { .path = "nat44 del session", .short_help = "nat44 del session in|out <addr>:<port> tcp|udp|icmp [vrf <id>] [external-host <addr>:<port>]", .function = nat44_del_session_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 forwarding} * Enable or disable forwarding * Forward packets which don't match existing translation * or static mapping instead of dropping them. * To enable forwarding, use: * vpp# nat44 forwarding enable * To disable forwarding, use: * vpp# nat44 forwarding disable * @cliexend ?*/ VLIB_CLI_COMMAND (snat_forwarding_set_command, static) = { .path = "nat44 forwarding", .short_help = "nat44 forwarding enable|disable", .function = snat_forwarding_set_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 deterministic add} * Create bijective mapping of inside address to outside address and port range * pairs, with the purpose of enabling deterministic NAT to reduce logging in * CGN deployments. * To create deterministic mapping between inside network 10.0.0.0/18 and * outside network 1.1.1.0/30 use: * # vpp# nat44 deterministic add in 10.0.0.0/18 out 1.1.1.0/30 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_det_map_command, static) = { .path = "nat44 deterministic add", .short_help = "nat44 deterministic add in <addr>/<plen> out <addr>/<plen> [del]", .function = snat_det_map_command_fn, }; /*? * @cliexpar * @cliexpstart{show nat44 deterministic mappings} * Show NAT44 deterministic mappings * vpp# show nat44 deterministic mappings * NAT44 deterministic mappings: * in 10.0.0.0/24 out 1.1.1.1/32 * outside address sharing ratio: 256 * number of ports per inside host: 252 * sessions number: 0 * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_det_show_mappings_command, static) = { .path = "show nat44 deterministic mappings", .short_help = "show nat44 deterministic mappings", .function = nat44_det_show_mappings_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 deterministic forward} * Return outside address and port range from inside address for deterministic * NAT. * To obtain outside address and port of inside host use: * vpp# nat44 deterministic forward 10.0.0.2 * 1.1.1.0:<1054-1068> * @cliexend ?*/ VLIB_CLI_COMMAND (snat_det_forward_command, static) = { .path = "nat44 deterministic forward", .short_help = "nat44 deterministic forward <addr>", .function = snat_det_forward_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 deterministic reverse} * Return inside address from outside address and port for deterministic NAT. * To obtain inside host address from outside address and port use: * #vpp nat44 deterministic reverse 1.1.1.1:1276 * 10.0.16.16 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_det_reverse_command, static) = { .path = "nat44 deterministic reverse", .short_help = "nat44 deterministic reverse <addr>:<port>", .function = snat_det_reverse_command_fn, }; /*? * @cliexpar * @cliexstart{set nat44 deterministic timeout} * Set values of timeouts for deterministic NAT (in seconds), use: * vpp# set nat44 deterministic timeout udp 120 tcp-established 7500 * tcp-transitory 250 icmp 90 * To reset default values use: * vpp# set nat44 deterministic timeout reset * @cliexend ?*/ VLIB_CLI_COMMAND (set_timeout_command, static) = { .path = "set nat44 deterministic timeout", .function = set_timeout_command_fn, .short_help = "set nat44 deterministic timeout [udp <sec> | tcp-established <sec> " "tcp-transitory <sec> | icmp <sec> | reset]", }; /*? * @cliexpar * @cliexstart{show nat44 deterministic timeouts} * Show values of timeouts for deterministic NAT. * vpp# show nat44 deterministic timeouts * udp timeout: 300sec * tcp-established timeout: 7440sec * tcp-transitory timeout: 240sec * icmp timeout: 60sec * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_det_show_timeouts_command, static) = { .path = "show nat44 deterministic timeouts", .short_help = "show nat44 deterministic timeouts", .function = nat44_det_show_timeouts_command_fn, }; /*? * @cliexpar * @cliexstart{show nat44 deterministic sessions} * Show NAT44 deterministic sessions. * vpp# show nat44 deterministic sessions * NAT44 deterministic sessions: * in 10.0.0.3:3005 out 1.1.1.2:1146 external host 172.16.1.2:3006 state: udp-active expire: 306 * in 10.0.0.3:3000 out 1.1.1.2:1141 external host 172.16.1.2:3001 state: udp-active expire: 306 * in 10.0.0.4:3005 out 1.1.1.2:1177 external host 172.16.1.2:3006 state: udp-active expire: 306 * @cliexend ?*/ VLIB_CLI_COMMAND (nat44_det_show_sessions_command, static) = { .path = "show nat44 deterministic sessions", .short_help = "show nat44 deterministic sessions", .function = nat44_det_show_sessions_command_fn, }; /*? * @cliexpar * @cliexstart{nat44 deterministic close session out} * Close session using outside ip address and port * and external ip address and port, use: * vpp# nat44 deterministic close session out 1.1.1.1:1276 2.2.2.2:2387 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_det_close_sesion_out_command, static) = { .path = "nat44 deterministic close session out", .short_help = "nat44 deterministic close session out " "<out_addr>:<out_port> <ext_addr>:<ext_port>", .function = snat_det_close_session_out_fn, }; /*? * @cliexpar * @cliexstart{nat44 deterministic close session in} * Close session using inside ip address and port * and external ip address and port, use: * vpp# nat44 deterministic close session in 3.3.3.3:3487 2.2.2.2:2387 * @cliexend ?*/ VLIB_CLI_COMMAND (snat_det_close_session_in_command, static) = { .path = "nat44 deterministic close session in", .short_help = "nat44 deterministic close session in " "<in_addr>:<in_port> <ext_addr>:<ext_port>", .function = snat_det_close_session_in_fn, }; /* *INDENT-ON* */ /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */


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