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-rw-r--r--src/plugins/nat/nat.c1555
-rw-r--r--src/plugins/nat/nat.h6
-rw-r--r--src/plugins/nat/nat44_cli.c1807
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:
+ */