diff options
Diffstat (limited to 'src/plugins/nat')
| -rw-r--r-- | src/plugins/nat/nat.c | 1555 | ||||
| -rw-r--r-- | src/plugins/nat/nat.h | 6 | ||||
| -rw-r--r-- | src/plugins/nat/nat44_cli.c | 1807 |
3 files changed, 1822 insertions, 1546 deletions
diff --git a/src/plugins/nat/nat.c b/src/plugins/nat/nat.c index 56904ef7e04..5c324f2388a 100644 --- a/src/plugins/nat/nat.c +++ b/src/plugins/nat/nat.c @@ -2049,231 +2049,6 @@ nat44_add_del_address_dpo (ip4_address_t addr, u8 is_add) } } -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; - - /* 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) - clib_warning ("%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) - 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_NO_SUCH_ENTRY: - error = clib_error_return (0, "S-NAT address not exist."); - goto done; - case VNET_API_ERROR_UNSPECIFIED: - error = clib_error_return (0, "S-NAT address used in static mapping."); - 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; -} - -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, -}; - -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_interface_name, vnm, - vnet_get_sw_interface (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_interface_name, vnm, - vnet_get_sw_interface (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_interface_name, vnm, - vnet_get_sw_interface (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_interface_name, vnm, - vnet_get_sw_interface (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; -} - -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]", -}; - uword unformat_snat_protocol (unformat_input_t * input, va_list * args) { @@ -2307,461 +2082,6 @@ format_snat_protocol (u8 * s, va_list * args) return s; } -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; - 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; - u8 twice_nat = 0; - u8 out2in_only = 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, "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 = 1; - 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); - - 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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] [out2in-only] [del]", -}; - -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; - 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; - - 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); - - 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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]", -}; - -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; - 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; - u8 twice_nat = 0; - u8 out2in_only = 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, "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 = 1; - 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); - - 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; - default: - break; - } - -done: - unformat_free (line_input); - vec_free (locals); - - return error; -} - -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] " - "[vrf <table-id>] [out2in-only] [del]", -}; - -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; - uword *bitmap = 0; - 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, "%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; -} - -/*? - * @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>", -}; - -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; -} - -/*? - * @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]", -}; - static u32 snat_get_worker_in2out_cb (ip4_header_t * ip0, u32 rx_fib_index0) { @@ -3276,257 +2596,6 @@ u8 * format_det_map_ses (u8 * s, va_list * args) return s; } -static clib_error_t * -show_snat_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_user_t * u; - snat_static_mapping_t *m; - snat_interface_t *i; - snat_address_t * ap; - vnet_main_t *vnm = vnet_get_main(); - snat_main_per_thread_data_t *tsm; - u32 users_num = 0, sessions_num = 0, *worker, *sw_if_index; - uword j = 0; - snat_static_map_resolve_t *rp; - snat_det_map_t * dm; - snat_det_session_t * ses; - - if (unformat (input, "detail")) - verbose = 1; - else if (unformat (input, "verbose")) - verbose = 2; - - if (sm->static_mapping_only) - { - if (sm->static_mapping_connection_tracking) - vlib_cli_output (vm, "NAT plugin mode: static mapping only connection " - "tracking"); - else - vlib_cli_output (vm, "NAT plugin mode: static mapping only"); - } - else if (sm->deterministic) - { - vlib_cli_output (vm, "NAT plugin mode: deterministic mapping"); - } - else - { - vlib_cli_output (vm, "NAT plugin mode: dynamic translations enabled"); - } - - if (verbose > 0) - { - pool_foreach (i, sm->interfaces, - ({ - vlib_cli_output (vm, "%U %s", format_vnet_sw_interface_name, vnm, - vnet_get_sw_interface (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_interface_name, vnm, - vnet_get_sw_interface (vnm, i->sw_if_index), - (nat_interface_is_inside(i) && - nat_interface_is_outside(i)) ? "in out" : - (nat_interface_is_inside(i) ? "in" : "out")); - })); - - if (vec_len (sm->auto_add_sw_if_indices)) - { - vlib_cli_output (vm, "NAT44 pool addresses interfaces:"); - vec_foreach (sw_if_index, sm->auto_add_sw_if_indices) - { - vlib_cli_output (vm, "%U", format_vnet_sw_interface_name, vnm, - vnet_get_sw_interface (vnm, *sw_if_index)); - } - } - - if (vec_len (sm->auto_add_sw_if_indices_twice_nat)) - { - vlib_cli_output (vm, "NAT44 twice-nat pool addresses interfaces:"); - vec_foreach (sw_if_index, sm->auto_add_sw_if_indices_twice_nat) - { - vlib_cli_output (vm, "%U", format_vnet_sw_interface_name, vnm, - vnet_get_sw_interface (vnm, *sw_if_index)); - } - } - - vlib_cli_output (vm, "NAT44 pool addresses:"); - 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", - ip4_fib_get(ap->fib_index)->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", - ip4_fib_get(ap->fib_index)->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 _ - } - } - - if (sm->num_workers > 1) - { - vlib_cli_output (vm, "%d workers", vec_len (sm->workers)); - if (verbose > 0) - { - 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); - } - } - } - - if (sm->deterministic) - { - 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); - vlib_cli_output (vm, "%d deterministic mappings", - pool_elts (sm->det_maps)); - if (verbose > 0) - { - 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); - if (verbose > 1) - { - vec_foreach_index (j, dm->sessions) - { - ses = vec_elt_at_index (dm->sessions, j); - if (ses->in_port) - vlib_cli_output (vm, " %U", format_det_map_ses, dm, ses, - &j); - } - } - })); - } - } - else - { - if (sm->static_mapping_only && !(sm->static_mapping_connection_tracking)) - { - vlib_cli_output (vm, "%d static mappings", - pool_elts (sm->static_mappings)); - - if (verbose > 0) - { - pool_foreach (m, sm->static_mappings, - ({ - vlib_cli_output (vm, "%U", format_snat_static_mapping, m); - })); - } - } - else - { - vec_foreach (tsm, sm->per_thread_data) - { - users_num += pool_elts (tsm->users); - sessions_num += pool_elts (tsm->sessions); - } - - vlib_cli_output (vm, "%d users, %d outside addresses, %d active sessions," - " %d static mappings, %d twice-nat addresses", - users_num, - vec_len (sm->addresses), - sessions_num, - pool_elts (sm->static_mappings), - vec_len (sm->twice_nat_addresses)); - - if (verbose > 0) - { - vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->in2out_ed, - verbose - 1); - vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed, - verbose - 1); - vec_foreach_index (j, sm->per_thread_data) - { - tsm = vec_elt_at_index (sm->per_thread_data, j); - - if (pool_elts (tsm->users) == 0) - continue; - - vlib_worker_thread_t *w = vlib_worker_threads + j; - vlib_cli_output (vm, "Thread %d (%s at lcore %u):", j, w->name, - w->lcore_id); - vlib_cli_output (vm, " %U", format_bihash_8_8, &tsm->in2out, - verbose - 1); - vlib_cli_output (vm, " %U", format_bihash_8_8, &tsm->out2in, - verbose - 1); - vlib_cli_output (vm, " %d list pool elements", - pool_elts (tsm->list_pool)); - - pool_foreach (u, tsm->users, - ({ - vlib_cli_output (vm, " %U", format_snat_user, tsm, u, - verbose - 1); - })); - } - - if (pool_elts (sm->static_mappings)) - { - vlib_cli_output (vm, "static mappings:"); - pool_foreach (m, sm->static_mappings, - ({ - vlib_cli_output (vm, "%U", format_snat_static_mapping, m); - })); - for (j = 0; j < vec_len (sm->to_resolve); j++) - { - rp = sm->to_resolve + j; - vlib_cli_output (vm, "%U", - format_snat_static_map_to_resolve, rp); - } - } - } - } - } - - return 0; -} - -VLIB_CLI_COMMAND (show_snat_command, static) = { - .path = "show nat44", - .short_help = "show nat44", - .function = show_snat_command_fn, -}; - - static void snat_ip4_add_del_interface_address_cb (ip4_main_t * im, uword opaque, @@ -3683,65 +2752,6 @@ int snat_add_interface_address (snat_main_t *sm, u32 sw_if_index, int is_del, 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; - - /* 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; -} - -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, -}; - int nat44_del_session (snat_main_t *sm, ip4_address_t *addr, u16 port, snat_protocol_t proto, u32 vrf_id, int is_in) @@ -3793,569 +2803,22 @@ nat44_del_session (snat_main_t *sm, ip4_address_t *addr, u16 port, return VNET_API_ERROR_NO_SUCH_ENTRY; } -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; - clib_error_t *error = 0; - ip4_address_t addr; - u32 port = 0, vrf_id = sm->outside_vrf_id; - snat_protocol_t proto; - int rv; - - /* 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, "vrf %u", &vrf_id)) - ; - else - { - error = clib_error_return (0, "unknown input '%U'", - format_unformat_error, line_input); - goto done; - } - } - - 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; -} - -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>]", - .function = nat44_del_session_command_fn, -}; - -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) -{ - snat_main_t *sm = &snat_main; - unformat_input_t _line_input, *line_input = &_line_input; - clib_error_t *error = 0; - u32 psid, psid_offset, psid_length; - - /* 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")) - sm->alloc_addr_and_port = nat_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)) - { - sm->alloc_addr_and_port = nat_alloc_addr_and_port_mape; - sm->psid = (u16) psid; - sm->psid_offset = (u16) psid_offset; - sm->psid_length = (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; -}; - -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, -}; - -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; - - /* 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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, -}; - -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; - - /* 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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, -}; - -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; - - /* 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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, -}; - -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; - - /* 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; -} - -/*? - * @cliexpar - * @cliexstart{set snat 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]", -}; - -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; - - /* 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; -} - -/*? - * @cliexpar - * @cliexstart{snat 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, -}; - -static clib_error_t * -snat_det_close_session_in_fn (vlib_main_t *vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) +void +nat_set_alloc_addr_and_port_mape (u16 psid, u16 psid_offset, u16 psid_length) { 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; - - /* 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; + sm->alloc_addr_and_port = nat_alloc_addr_and_port_mape; + sm->psid = psid; + sm->psid_offset = psid_offset; + sm->psid_length = psid_length; } -/*? - * @cliexpar - * @cliexstart{snat 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, -}; - -static clib_error_t * -snat_forwarding_set_command_fn (vlib_main_t *vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) +void +nat_set_alloc_addr_and_port_default (void) { 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; - /* 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; + sm->alloc_addr_and_port = nat_alloc_addr_and_port_default; } -/*? - * @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, -}; diff --git a/src/plugins/nat/nat.h b/src/plugins/nat/nat.h index eba005128de..bf975a14749 100644 --- a/src/plugins/nat/nat.h +++ b/src/plugins/nat/nat.h @@ -427,6 +427,9 @@ void snat_add_del_addr_to_fib (ip4_address_t * addr, int is_add); format_function_t format_snat_user; +format_function_t format_snat_static_mapping; +format_function_t format_snat_static_map_to_resolve; +format_function_t format_det_map_ses; typedef struct { u32 cached_sw_if_index; @@ -567,6 +570,9 @@ snat_user_t * nat_user_get_or_create (snat_main_t *sm, ip4_address_t *addr, u32 fib_index, u32 thread_index); snat_session_t * nat_session_alloc_or_recycle (snat_main_t *sm, snat_user_t *u, u32 thread_index); +void nat_set_alloc_addr_and_port_mape (u16 psid, u16 psid_offset, + u16 psid_length); +void nat_set_alloc_addr_and_port_default (void); static_always_inline u8 icmp_is_error_message (icmp46_header_t * icmp) diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c new file mode 100644 index 00000000000..0aac1c0b6ce --- /dev/null +++ b/src/plugins/nat/nat44_cli.c @@ -0,0 +1,1807 @@ +/* + * 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 <vnet/fib/fib_table.h> + +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; + uword *bitmap = 0; + 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, "%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->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_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; + clib_error_t *error = 0; + u32 psid, psid_offset, psid_length; + + /* 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; + + /* 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) + clib_warning ("%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) + 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_NO_SUCH_ENTRY: + error = clib_error_return (0, "S-NAT address not exist."); + goto done; + case VNET_API_ERROR_UNSPECIFIED: + error = + clib_error_return (0, "S-NAT address used in static mapping."); + 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; + + 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_interface_name, + vnm, vnet_get_sw_interface (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_interface_name, + vnm, vnet_get_sw_interface (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_interface_name, + vnm, vnet_get_sw_interface (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_interface_name, + vnm, vnet_get_sw_interface (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_interface_name, vnm, + vnet_get_sw_interface (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_interface_name, vnm, + vnet_get_sw_interface (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; + 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; + u8 twice_nat = 0; + u8 out2in_only = 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, "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 = 1; + 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); + + 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_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; + 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; + + 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); + + 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; + 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; + u8 twice_nat = 0; + u8 out2in_only = 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, "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 = 1; + 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); + + 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; + 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; + + 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; + + /* 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; + + /* *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_interface_name, vnm, + vnet_get_sw_interface (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_interface_name, vnm, + vnet_get_sw_interface (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 (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); + + 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; + clib_error_t *error = 0; + ip4_address_t addr; + u32 port = 0, vrf_id = sm->outside_vrf_id; + snat_protocol_t proto; + int rv; + + /* 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, "vrf %u", &vrf_id)) + ; + else + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + goto done; + } + } + + 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; + + /* 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; + + /* 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; + + 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; + + /* 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; + + /* 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; + + /* 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; + + 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; + + 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; + + /* 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; + + /* 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{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] [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] " + "[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>]", + .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: + */ |