X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat44_cli.c;h=cfa294f2222ef0184548a5966b7c53ce75fb283a;hb=3f88a74d14722d4027fe80daa2d0c79559e0f1b8;hp=3847502ca7eb71498fa2c27b8975327506c9a9bb;hpb=ea5b5be4eeb0f4cd80cb466bd6e31cad33c57960;p=vpp.git diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c index 3847502ca7e..cfa294f2222 100644 --- a/src/plugins/nat/nat44_cli.c +++ b/src/plugins/nat/nat44_cli.c @@ -24,6 +24,7 @@ #include #include #include +#include #define UNSUPPORTED_IN_DET_MODE_STR \ "This command is unsupported in deterministic mode" @@ -128,7 +129,13 @@ snat_ipfix_logging_enable_disable_command_fn (vlib_main_t * vm, /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) - return 0; + { + rv = snat_ipfix_logging_enable_disable (enable, domain_id, + (u16) src_port); + if (rv) + return clib_error_return (0, "ipfix logging enable failed"); + return 0; + } while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { @@ -214,7 +221,7 @@ nat44_set_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm, unformat_input_t _line_input, *line_input = &_line_input; snat_main_t *sm = &snat_main; clib_error_t *error = 0; - u32 psid, psid_offset, psid_length; + u32 psid, psid_offset, psid_length, port_start, port_end; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); @@ -233,6 +240,20 @@ nat44_set_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm, &psid_offset, &psid_length)) nat_set_alloc_addr_and_port_mape ((u16) psid, (u16) psid_offset, (u16) psid_length); + else + if (unformat + (line_input, "port-range %d - %d", &port_start, &port_end)) + { + if (port_end <= port_start) + { + error = + clib_error_return (0, + "The end-port must be greater than start-port"); + goto done; + } + nat_set_alloc_addr_and_port_range ((u16) port_start, + (u16) port_end); + } else { error = clib_error_return (0, "unknown input '%U'", @@ -247,6 +268,223 @@ done: return error; }; +static clib_error_t * +nat44_show_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; + + if (sm->deterministic) + return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); + + vlib_cli_output (vm, "NAT address and port: %U", + format_nat_addr_and_port_alloc_alg, + sm->addr_and_port_alloc_alg); + switch (sm->addr_and_port_alloc_alg) + { + case NAT_ADDR_AND_PORT_ALLOC_ALG_MAPE: + vlib_cli_output (vm, " psid %d psid-offset %d psid-len %d", sm->psid, + sm->psid_offset, sm->psid_length); + break; + case NAT_ADDR_AND_PORT_ALLOC_ALG_RANGE: + vlib_cli_output (vm, " start-port %d end-port %d", sm->start_port, + sm->end_port); + break; + default: + break; + } + + return 0; +} + +static clib_error_t * +nat_set_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + snat_main_t *sm = &snat_main; + clib_error_t *error = 0; + u32 mss; + + /* 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, "disable")) + sm->mss_clamping = 0; + else if (unformat (line_input, "%d", &mss)) + { + sm->mss_clamping = (u16) mss; + sm->mss_value_net = clib_host_to_net_u16 (sm->mss_clamping); + } + 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 * +nat_show_mss_clamping_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + snat_main_t *sm = &snat_main; + + if (sm->mss_clamping) + vlib_cli_output (vm, "mss-clamping %d", sm->mss_clamping); + else + vlib_cli_output (vm, "mss-clamping disabled"); + + return 0; +} + +static clib_error_t * +nat_ha_failover_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + ip4_address_t addr; + u32 port, session_refresh_interval = 10; + int 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, "%U:%u", unformat_ip4_address, &addr, &port)) + ; + else + if (unformat + (line_input, "refresh-interval %u", &session_refresh_interval)) + ; + else + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + goto done; + } + } + + rv = nat_ha_set_failover (&addr, (u16) port, session_refresh_interval); + if (rv) + error = clib_error_return (0, "set HA failover failed"); + +done: + unformat_free (line_input); + + return error; +} + +static clib_error_t * +nat_ha_listener_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + ip4_address_t addr; + u32 port, path_mtu = 512; + int 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, "%U:%u", unformat_ip4_address, &addr, &port)) + ; + else if (unformat (line_input, "path-mtu %u", &path_mtu)) + ; + else + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + goto done; + } + } + + rv = nat_ha_set_listener (&addr, (u16) port, path_mtu); + if (rv) + error = clib_error_return (0, "set HA listener failed"); + +done: + unformat_free (line_input); + + return error; +} + +static clib_error_t * +nat_show_ha_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + ip4_address_t addr; + u16 port; + u32 path_mtu, session_refresh_interval, resync_ack_missed; + u8 in_resync; + + nat_ha_get_listener (&addr, &port, &path_mtu); + if (!port) + { + vlib_cli_output (vm, "NAT HA disabled\n"); + return 0; + } + + vlib_cli_output (vm, "LISTENER:\n"); + vlib_cli_output (vm, " %U:%u path-mtu %u\n", + format_ip4_address, &addr, port, path_mtu); + + nat_ha_get_failover (&addr, &port, &session_refresh_interval); + vlib_cli_output (vm, "FAILOVER:\n"); + if (port) + vlib_cli_output (vm, " %U:%u refresh-interval %usec\n", + format_ip4_address, &addr, port, + session_refresh_interval); + else + vlib_cli_output (vm, " NA\n"); + + nat_ha_get_resync_status (&in_resync, &resync_ack_missed); + vlib_cli_output (vm, "RESYNC:\n"); + if (in_resync) + vlib_cli_output (vm, " in progress\n"); + else + vlib_cli_output (vm, " completed (%d ACK missed)\n", resync_ack_missed); + + return 0; +} + +static clib_error_t * +nat_ha_flush_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + nat_ha_flush (0); + return 0; +} + +static clib_error_t * +nat_ha_resync_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + + if (nat_ha_resync (0, 0, 0)) + error = clib_error_return (0, "NAT HA resync already running"); + + return error; +} + static clib_error_t * add_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -624,7 +862,7 @@ add_static_mapping_command_fn (vlib_main_t * vm, rv = snat_add_static_mapping (l_addr, e_addr, (u16) l_port, (u16) e_port, vrf_id, addr_only, sw_if_index, proto, is_add, - twice_nat, out2in_only, 0); + twice_nat, out2in_only, 0, 0); switch (rv) { @@ -633,7 +871,7 @@ add_static_mapping_command_fn (vlib_main_t * vm, goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) - error = clib_error_return (0, "External addres must be allocated."); + error = clib_error_return (0, "External address must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; @@ -708,7 +946,7 @@ add_identity_mapping_command_fn (vlib_main_t * vm, rv = snat_add_static_mapping (addr, addr, (u16) port, (u16) port, vrf_id, addr_only, sw_if_index, proto, is_add, - 0, 0, 0); + 0, 0, 0, 1); switch (rv) { @@ -717,7 +955,7 @@ add_identity_mapping_command_fn (vlib_main_t * vm, goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) - error = clib_error_return (0, "External addres must be allocated."); + error = clib_error_return (0, "External address must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; @@ -767,7 +1005,7 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, if (unformat (line_input, "local %U:%u probability %u", unformat_ip4_address, &l_addr, &l_port, &probability)) { - memset (&local, 0, sizeof (local)); + clib_memset (&local, 0, sizeof (local)); local.addr = l_addr; local.port = (u16) l_port; local.probability = (u8) probability; @@ -777,7 +1015,7 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, unformat_ip4_address, &l_addr, &l_port, &vrf_id, &probability)) { - memset (&local, 0, sizeof (local)); + clib_memset (&local, 0, sizeof (local)); local.addr = l_addr; local.port = (u16) l_port; local.probability = (u8) probability; @@ -831,7 +1069,7 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: if (is_add) - error = clib_error_return (0, "External addres must be allocated."); + error = clib_error_return (0, "External address must be allocated."); else error = clib_error_return (0, "Mapping not exist."); goto done; @@ -853,6 +1091,98 @@ done: return error; } +static clib_error_t * +add_lb_backend_command_fn (vlib_main_t * vm, + unformat_input_t * input, vlib_cli_command_t * cmd) +{ + unformat_input_t _line_input, *line_input = &_line_input; + snat_main_t *sm = &snat_main; + clib_error_t *error = 0; + ip4_address_t l_addr, e_addr; + u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0; + int is_add = 1; + int rv; + snat_protocol_t proto; + u8 proto_set = 0; + + if (sm->deterministic) + return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "local %U:%u probability %u", + unformat_ip4_address, &l_addr, &l_port, &probability)) + ; + else if (unformat (line_input, "local %U:%u vrf %u probability %u", + unformat_ip4_address, &l_addr, &l_port, &vrf_id, + &probability)) + ; + else if (unformat (line_input, "external %U:%u", unformat_ip4_address, + &e_addr, &e_port)) + ; + else if (unformat (line_input, "protocol %U", unformat_snat_protocol, + &proto)) + proto_set = 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 (!l_port || !e_port) + { + error = clib_error_return (0, "local or external must be set"); + goto done; + } + + if (!proto_set) + { + error = clib_error_return (0, "missing protocol"); + goto done; + } + + rv = + nat44_lb_static_mapping_add_del_local (e_addr, (u16) e_port, l_addr, + l_port, proto, vrf_id, probability, + is_add); + + switch (rv) + { + case VNET_API_ERROR_INVALID_VALUE: + error = clib_error_return (0, "External is not load-balancing static " + "mapping."); + goto done; + case VNET_API_ERROR_NO_SUCH_ENTRY: + error = clib_error_return (0, "Mapping or back-end not exist."); + goto done; + case VNET_API_ERROR_VALUE_EXIST: + error = clib_error_return (0, "Back-end already exist."); + goto done; + case VNET_API_ERROR_FEATURE_DISABLED: + error = + clib_error_return (0, "Available only for endpoint-dependent mode."); + goto done; + case VNET_API_ERROR_UNSPECIFIED: + error = clib_error_return (0, "At least two back-ends must remain"); + goto done; + default: + break; + } + +done: + unformat_free (line_input); + + return error; +} + static clib_error_t * nat44_show_static_mappings_command_fn (vlib_main_t * vm, unformat_input_t * input, @@ -1634,6 +1964,8 @@ VLIB_CLI_COMMAND (snat_ipfix_logging_enable_disable_command, static) = { * 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 + * For port range use: + * vpp# nat addr-port-assignment-alg port-range - * To set standard (default) address and port assignment algorithm use: * vpp# nat addr-port-assignment-alg default * @cliexend @@ -1644,6 +1976,106 @@ VLIB_CLI_COMMAND (nat44_set_alloc_addr_and_port_alg_command, static) = { .function = nat44_set_alloc_addr_and_port_alg_command_fn, }; +/*? + * @cliexpar + * @cliexstart{show nat addr-port-assignment-alg} + * Show address and port assignment algorithm + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat44_show_alloc_addr_and_port_alg_command, static) = { + .path = "show nat addr-port-assignment-alg", + .short_help = "show nat addr-port-assignment-alg", + .function = nat44_show_alloc_addr_and_port_alg_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{nat mss-clamping} + * Set TCP MSS rewriting configuration + * To enable TCP MSS rewriting use: + * vpp# nat mss-clamping 1452 + * To disbale TCP MSS rewriting use: + * vpp# nat mss-clamping disable + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_set_mss_clamping_command, static) = { + .path = "nat mss-clamping", + .short_help = "nat mss-clamping |disable", + .function = nat_set_mss_clamping_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{show nat mss-clamping} + * Show TCP MSS rewriting configuration + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_show_mss_clamping_command, static) = { + .path = "show nat mss-clamping", + .short_help = "show nat mss-clamping", + .function = nat_show_mss_clamping_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{nat ha failover} + * Set HA failover (remote settings) + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_ha_failover_command, static) = { + .path = "nat ha failover", + .short_help = "nat ha failover : [refresh-interval ]", + .function = nat_ha_failover_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{nat ha listener} + * Set HA listener (local settings) + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_ha_listener_command, static) = { + .path = "nat ha listener", + .short_help = "nat ha listener : [path-mtu ]", + .function = nat_ha_listener_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{show nat ha} + * Show HA configuration/status + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_show_ha_command, static) = { + .path = "show nat ha", + .short_help = "show nat ha", + .function = nat_show_ha_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{nat ha flush} + * Flush the current HA data (for testing) + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_ha_flush_command, static) = { + .path = "nat ha flush", + .short_help = "nat ha flush", + .function = nat_ha_flush_command_fn, +}; + +/*? + * @cliexpar + * @cliexstart{nat ha resync} + * Resync HA (resend existing sessions to new failover) + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_ha_resync_command, static) = { + .path = "nat ha resync", + .short_help = "nat ha resync", + .function = nat_ha_resync_command_fn, +}; + /*? * @cliexpar * @cliexstart{show nat44 hash tables} @@ -1770,13 +2202,13 @@ VLIB_CLI_COMMAND (add_static_mapping_command, static) = { * 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 + * vpp# nat44 add identity mapping external 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 | " + .short_help = "nat44 add identity mapping |external " "[ ] [vrf ] [del]", }; @@ -1800,6 +2232,24 @@ VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = { "[affinity ] [del]", }; +/*? + * @cliexpar + * @cliexstart{nat44 add load-balancing static mapping} + * Modify service load balancing using NAT44 + * To add new back-end server 10.100.10.30:8080 for service load balancing + * static mapping with external IP address 1.2.3.4 and TCP port 80 use: + * vpp# nat44 add load-balancing back-end protocol tcp external 1.2.3.4:80 local 10.100.10.30:8080 probability 25 + * @cliexend +?*/ +VLIB_CLI_COMMAND (add_lb_backend_command, static) = { + .path = "nat44 add load-balancing back-end", + .function = add_lb_backend_command_fn, + .short_help = + "nat44 add load-balancing back-end protocol tcp|udp " + "external : local : [vrf ] " + "probability [del]", +}; + /*? * @cliexpar * @cliexstart{show nat44 static mappings}