X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat44_cli.c;h=9aaa8498e22aefd8941e40957755eb33e859c3a6;hb=b686508c4edff42dac2ab140318de8aacb2ac18b;hp=7a8be98c6fed5cdcc6958ae3648612d4b6b301c0;hpb=229c1aaf7501afa95c3768702bb1e76beb59384c;p=vpp.git diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c index 7a8be98c6fe..9aaa8498e22 100644 --- a/src/plugins/nat/nat44_cli.c +++ b/src/plugins/nat/nat44_cli.c @@ -20,7 +20,9 @@ #include #include #include +#include #include +#include #include #define UNSUPPORTED_IN_DET_MODE_STR \ @@ -164,6 +166,7 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, { snat_main_t *sm = &snat_main; snat_main_per_thread_data_t *tsm; + nat_affinity_main_t *nam = &nat_affinity_main; int i; int verbose = 0; @@ -172,8 +175,6 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, else if (unformat (input, "verbose")) verbose = 2; - vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->in2out_ed, verbose); - vlib_cli_output (vm, "%U", format_bihash_16_8, &sm->out2in_ed, verbose); vlib_cli_output (vm, "%U", format_bihash_8_8, &sm->static_mapping_by_local, verbose); vlib_cli_output (vm, "%U", @@ -184,11 +185,24 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, tsm = vec_elt_at_index (sm->per_thread_data, i); vlib_cli_output (vm, "-------- thread %d %s --------\n", i, vlib_worker_threads[i].name); - vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose); - vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose); + if (sm->endpoint_dependent) + { + vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed, + verbose); + vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->out2in_ed, + verbose); + } + else + { + vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose); + vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose); + } vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->user_hash, verbose); } + if (sm->endpoint_dependent) + vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash, + verbose); return 0; } @@ -200,7 +214,7 @@ 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); @@ -219,6 +233,20 @@ 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'", @@ -233,6 +261,86 @@ 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 * add_address_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -304,18 +412,26 @@ add_address_command_fn (vlib_main_t * vm, for (i = 0; i < count; i++) { if (is_add) - snat_add_address (sm, &this_addr, vrf_id, twice_nat); + rv = snat_add_address (sm, &this_addr, vrf_id, twice_nat); else rv = snat_del_address (sm, this_addr, 0, twice_nat); switch (rv) { + case VNET_API_ERROR_VALUE_EXIST: + error = clib_error_return (0, "NAT address already in use."); + goto done; case VNET_API_ERROR_NO_SUCH_ENTRY: - error = clib_error_return (0, "S-NAT address not exist."); + error = clib_error_return (0, "NAT address not exist."); goto done; case VNET_API_ERROR_UNSPECIFIED: error = - clib_error_return (0, "S-NAT address used in static mapping."); + clib_error_return (0, "NAT address used in static mapping."); + goto done; + case VNET_API_ERROR_FEATURE_DISABLED: + error = + clib_error_return (0, + "twice NAT available only for endpoint-dependent mode."); goto done; default: break; @@ -602,7 +718,7 @@ 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) { @@ -611,7 +727,7 @@ 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; @@ -621,6 +737,11 @@ add_static_mapping_command_fn (vlib_main_t * vm, case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "Mapping already exist."); goto done; + case VNET_API_ERROR_FEATURE_DISABLED: + error = + clib_error_return (0, + "twice-nat/out2in-only available only for endpoint-dependent mode."); + goto done; default: break; } @@ -681,7 +802,7 @@ 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) { @@ -690,7 +811,7 @@ 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; @@ -719,7 +840,7 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, 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; + u32 l_port = 0, e_port = 0, vrf_id = 0, probability = 0, affinity = 0; int is_add = 1; int rv; snat_protocol_t proto; @@ -740,17 +861,26 @@ 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; vec_add1 (locals, local); } + else if (unformat (line_input, "local %U:%u vrf %u probability %u", + unformat_ip4_address, &l_addr, &l_port, &vrf_id, + &probability)) + { + clib_memset (&local, 0, sizeof (local)); + local.addr = l_addr; + local.port = (u16) l_port; + local.probability = (u8) probability; + local.vrf_id = vrf_id; + 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; @@ -762,6 +892,8 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, out2in_only = 1; else if (unformat (line_input, "del")) is_add = 0; + else if (unformat (line_input, "affinity %u", &affinity)) + ; else { error = clib_error_return (0, "unknown input: '%U'", @@ -782,9 +914,9 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, goto done; } - rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, vrf_id, - locals, is_add, twice_nat, - out2in_only, 0); + rv = nat44_add_del_lb_static_mapping (e_addr, (u16) e_port, proto, locals, + is_add, twice_nat, out2in_only, 0, + affinity); switch (rv) { @@ -793,13 +925,17 @@ 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; case VNET_API_ERROR_VALUE_EXIST: error = clib_error_return (0, "Mapping already exist."); goto done; + case VNET_API_ERROR_FEATURE_DISABLED: + error = + clib_error_return (0, "Available only for endpoint-dependent mode."); + goto done; default: break; } @@ -811,6 +947,98 @@ 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, @@ -945,8 +1173,9 @@ nat44_show_sessions_command_fn (vlib_main_t * vm, unformat_input_t * input, { tsm = vec_elt_at_index (sm->per_thread_data, i); - vlib_cli_output (vm, "-------- thread %d %s --------\n", - i, vlib_worker_threads[i].name); + vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n", + i, vlib_worker_threads[i].name, + pool_elts (tsm->sessions)); pool_foreach (u, tsm->users, ({ vlib_cli_output (vm, " %U", format_snat_user, tsm, u, verbose); @@ -1274,9 +1503,6 @@ set_timeout_command_fn (vlib_main_t * vm, unformat_input_t _line_input, *line_input = &_line_input; clib_error_t *error = 0; - if (!sm->deterministic) - return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); - /* Get a line of input. */ if (!unformat_user (input, unformat_line_input, line_input)) return 0; @@ -1284,21 +1510,54 @@ set_timeout_command_fn (vlib_main_t * vm, while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) { if (unformat (line_input, "udp %u", &sm->udp_timeout)) - ; + { + if (nat64_set_udp_timeout (sm->udp_timeout)) + { + error = clib_error_return (0, "Invalid UDP timeout value"); + goto done; + } + } else if (unformat (line_input, "tcp-established %u", &sm->tcp_established_timeout)) - ; + { + if (nat64_set_tcp_timeouts + (sm->tcp_transitory_timeout, sm->tcp_established_timeout)) + { + error = + clib_error_return (0, + "Invalid TCP established timeouts value"); + goto done; + } + } else if (unformat (line_input, "tcp-transitory %u", &sm->tcp_transitory_timeout)) - ; + { + if (nat64_set_tcp_timeouts + (sm->tcp_transitory_timeout, sm->tcp_established_timeout)) + { + error = + clib_error_return (0, + "Invalid TCP transitory timeouts value"); + goto done; + } + } else if (unformat (line_input, "icmp %u", &sm->icmp_timeout)) - ; + { + if (nat64_set_icmp_timeout (sm->icmp_timeout)) + { + error = clib_error_return (0, "Invalid ICMP timeout value"); + goto done; + } + } 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; + nat64_set_udp_timeout (0); + nat64_set_icmp_timeout (0); + nat64_set_tcp_timeouts (0, 0); } else { @@ -1315,15 +1574,12 @@ done: } static clib_error_t * -nat44_det_show_timeouts_command_fn (vlib_main_t * vm, - unformat_input_t * input, - vlib_cli_command_t * cmd) +nat_show_timeouts_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) { snat_main_t *sm = &snat_main; - if (!sm->deterministic) - return clib_error_return (0, SUPPORTED_ONLY_IN_DET_MODE_STR); - vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout); vlib_cli_output (vm, "tcp-established timeout: %dsec", sm->tcp_established_timeout); @@ -1509,6 +1765,40 @@ VLIB_CLI_COMMAND (nat_show_workers_command, static) = { .function = nat_show_workers_commnad_fn, }; +/*? + * @cliexpar + * @cliexstart{set nat timeout} + * Set values of timeouts for NAT sessions (in seconds), use: + * vpp# set nat 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 nat timeout", + .function = set_timeout_command_fn, + .short_help = + "set nat timeout [udp | tcp-established " + "tcp-transitory | icmp | reset]", +}; + +/*? + * @cliexpar + * @cliexstart{show nat timeouts} + * Show values of timeouts for NAT sessions. + * vpp# show nat timeouts + * udp timeout: 300sec + * tcp-established timeout: 7440sec + * tcp-transitory timeout: 240sec + * icmp timeout: 60sec + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat_show_timeouts_command, static) = { + .path = "show nat timeouts", + .short_help = "show nat timeouts", + .function = nat_show_timeouts_command_fn, +}; + /*? * @cliexpar * @cliexstart{snat ipfix logging} @@ -1530,6 +1820,8 @@ 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 @@ -1540,6 +1832,44 @@ 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 +?*/ +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{nat mss-clamping} + * Show TCP MSS rewriting configuration +?*/ +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{show nat44 hash tables} @@ -1691,8 +2021,27 @@ VLIB_CLI_COMMAND (add_lb_static_mapping_command, static) = { .function = add_lb_static_mapping_command_fn, .short_help = "nat44 add load-balancing static mapping protocol tcp|udp " - "external : local : probability " - "[twice-nat|self-twice-nat] [vrf ] [out2in-only] [del]", + "external : local : [vrf ] " + "probability [twice-nat|self-twice-nat] [out2in-only] " + "[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]", }; /*? @@ -1858,41 +2207,6 @@ VLIB_CLI_COMMAND (snat_det_reverse_command, static) = { .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 | tcp-established " - "tcp-transitory | icmp | 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}