X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat44_cli.c;h=cdf94a8dc9d95bacb14c34954895abfe080ff33e;hb=492a5d0bd;hp=f07b6dde215eb64b0ad5d6d02eb202b9918b205d;hpb=ebdf190a9c4a514329de7e5e9b9178c3af055122;p=vpp.git diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c index f07b6dde215..cdf94a8dc9d 100644 --- a/src/plugins/nat/nat44_cli.c +++ b/src/plugins/nat/nat44_cli.c @@ -20,7 +20,12 @@ #include #include #include +#include +#include +#include +#include #include +#include #define UNSUPPORTED_IN_DET_MODE_STR \ "This command is unsupported in deterministic mode" @@ -111,6 +116,49 @@ nat_show_workers_commnad_fn (vlib_main_t * vm, unformat_input_t * input, return 0; } +static clib_error_t * +nat44_session_cleanup_command_fn (vlib_main_t * vm, + unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + clib_error_t *error = 0; + nat44_force_users_cleanup (); + return error; +} + +static clib_error_t * +snat_set_log_level_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; + u8 log_level = SNAT_LOG_NONE; + clib_error_t *error = 0; + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + if (!unformat (line_input, "%d", &log_level)) + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + goto done; + } + if (log_level > SNAT_LOG_DEBUG) + { + error = clib_error_return (0, "unknown logging level '%d'", log_level); + goto done; + } + sm->log_level = log_level; + +done: + unformat_free (line_input); + + return error; +} + static clib_error_t * snat_ipfix_logging_enable_disable_command_fn (vlib_main_t * vm, unformat_input_t * input, @@ -125,7 +173,13 @@ 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) { @@ -163,6 +217,7 @@ 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; @@ -171,8 +226,6 @@ 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", @@ -181,11 +234,26 @@ nat44_show_hash_commnad_fn (vlib_main_t * vm, unformat_input_t * input, vec_foreach_index (i, sm->per_thread_data) { tsm = vec_elt_at_index (sm->per_thread_data, i); - 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, "-------- thread %d %s --------\n", + i, vlib_worker_threads[i].name); + if (sm->endpoint_dependent) + { + vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->in2out_ed, + verbose); + vlib_cli_output (vm, "%U", format_bihash_16_8, &tsm->out2in_ed, + verbose); + } + else + { + vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->in2out, verbose); + vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->out2in, verbose); + } vlib_cli_output (vm, "%U", format_bihash_8_8, &tsm->user_hash, verbose); } + if (sm->endpoint_dependent) + vlib_cli_output (vm, "%U", format_bihash_16_8, &nam->affinity_hash, + verbose); return 0; } @@ -197,7 +265,7 @@ 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); @@ -216,6 +284,20 @@ 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'", @@ -230,6 +312,223 @@ 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) @@ -292,7 +591,7 @@ add_address_command_fn (vlib_main_t * vm, count = (end_host_order - start_host_order) + 1; if (count > 1024) - clib_warning ("%U - %U, %d addresses...", + nat_log_info ("%U - %U, %d addresses...", format_ip4_address, &start_addr, format_ip4_address, &end_addr, count); @@ -301,18 +600,26 @@ 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; @@ -330,6 +637,173 @@ done: return error; } +static clib_error_t * +nat44_show_summary_command_fn (vlib_main_t * vm, unformat_input_t * input, + vlib_cli_command_t * cmd) +{ + snat_main_per_thread_data_t *tsm; + snat_main_t *sm = &snat_main; + snat_session_t *s; + + if (sm->deterministic || !sm->endpoint_dependent) + return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); + + // print session configuration values + vlib_cli_output (vm, "max translations: %u", sm->max_translations); + vlib_cli_output (vm, "max translations per user: %u", + sm->max_translations_per_user); + + u32 count = 0; + + u64 now = vlib_time_now (sm->vlib_main); + u64 sess_timeout_time; + + u32 udp_sessions = 0; + u32 tcp_sessions = 0; + u32 icmp_sessions = 0; + + u32 timed_out = 0; + u32 transitory = 0; + u32 transitory_wait_closed = 0; + u32 transitory_closed = 0; + u32 established = 0; + + if (sm->num_workers > 1) + { + /* *INDENT-OFF* */ + vec_foreach (tsm, sm->per_thread_data) + { + pool_foreach (s, tsm->sessions, + ({ + sess_timeout_time = s->last_heard + + (f64) nat44_session_get_timeout (sm, s); + if (now >= sess_timeout_time) + timed_out++; + + switch (s->in2out.protocol) + { + case SNAT_PROTOCOL_ICMP: + icmp_sessions++; + break; + case SNAT_PROTOCOL_TCP: + tcp_sessions++; + if (s->state) + { + if (s->tcp_close_timestamp) + { + if (now >= s->tcp_close_timestamp) + { + ++transitory_closed; + } + else + { + ++transitory_wait_closed; + } + } + else + { + transitory++; + } + } + else + established++; + break; + case SNAT_PROTOCOL_UDP: + default: + udp_sessions++; + break; + } + })); + count += pool_elts (tsm->sessions); + + vlib_cli_output (vm, "tid[%u] session scavenging cleared: %u", + tsm->thread_index, tsm->cleared); + vlib_cli_output (vm, "tid[%u] session scavenging cleanup runs: %u", + tsm->thread_index, tsm->cleanup_runs); + + if (now < tsm->cleanup_timeout) + vlib_cli_output (vm, "tid[%u] session scavenging next run in: %f", + tsm->thread_index, tsm->cleanup_timeout - now); + else + vlib_cli_output (vm, "tid[%u] session scavenging next run in: 0", + tsm->thread_index); + } + /* *INDENT-ON* */ + } + else + { + tsm = vec_elt_at_index (sm->per_thread_data, sm->num_workers); + /* *INDENT-OFF* */ + pool_foreach (s, tsm->sessions, + ({ + sess_timeout_time = s->last_heard + + (f64) nat44_session_get_timeout (sm, s); + if (now >= sess_timeout_time) + timed_out++; + + switch (s->in2out.protocol) + { + case SNAT_PROTOCOL_ICMP: + icmp_sessions++; + break; + case SNAT_PROTOCOL_TCP: + tcp_sessions++; + if (s->state) + { + if (s->tcp_close_timestamp) + { + if (now >= s->tcp_close_timestamp) + { + ++transitory_closed; + } + else + { + ++transitory_wait_closed; + } + } + else + { + transitory++; + } + } + else + established++; + break; + case SNAT_PROTOCOL_UDP: + default: + udp_sessions++; + break; + } + })); + /* *INDENT-ON* */ + count = pool_elts (tsm->sessions); + + vlib_cli_output (vm, "tid[0] session scavenging cleared: %u", + tsm->cleared); + vlib_cli_output (vm, "tid[0] session scavenging cleanup runs: %u", + tsm->cleanup_runs); + + if (now < tsm->cleanup_timeout) + vlib_cli_output (vm, "tid[0] session scavenging next run in: %f", + tsm->cleanup_timeout - now); + else + vlib_cli_output (vm, "tid[0] session scavenging next run in: 0"); + } + + vlib_cli_output (vm, "total timed out sessions: %u", timed_out); + vlib_cli_output (vm, "total sessions: %u", count); + vlib_cli_output (vm, "total tcp sessions: %u", tcp_sessions); + vlib_cli_output (vm, "total tcp established sessions: %u", established); + vlib_cli_output (vm, "total tcp transitory sessions: %u", transitory); + vlib_cli_output (vm, "total tcp transitory (WAIT-CLOSED) sessions: %u", + transitory_wait_closed); + vlib_cli_output (vm, "total tcp transitory (CLOSED) sessions: %u", + transitory_closed); + vlib_cli_output (vm, "total udp sessions: %u", udp_sessions); + vlib_cli_output (vm, "total icmp sessions: %u", icmp_sessions); + return 0; +} + static clib_error_t * nat44_show_addresses_command_fn (vlib_main_t * vm, unformat_input_t * input, vlib_cli_command_t * cmd) @@ -599,7 +1073,7 @@ 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) { @@ -608,7 +1082,7 @@ 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; @@ -618,6 +1092,11 @@ 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; } @@ -678,7 +1157,7 @@ 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) { @@ -687,7 +1166,7 @@ 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; @@ -716,7 +1195,7 @@ 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; @@ -736,27 +1215,129 @@ 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)); - local.addr = l_addr; - local.port = (u16) l_port; - local.probability = (u8) probability; - vec_add1 (locals, 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, "protocol %U", unformat_snat_protocol, + &proto)) + proto_set = 1; + else if (unformat (line_input, "twice-nat")) + twice_nat = TWICE_NAT; + else if (unformat (line_input, "self-twice-nat")) + twice_nat = TWICE_NAT_SELF; + else if (unformat (line_input, "out2in-only")) + out2in_only = 1; + else if (unformat (line_input, "del")) + is_add = 0; + else if (unformat (line_input, "affinity %u", &affinity)) + ; + 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, locals, + is_add, twice_nat, out2in_only, 0, + affinity); + + 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 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; + } + +done: + unformat_free (line_input); + vec_free (locals); + + 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, "vrf %u", &vrf_id)) - ; else if (unformat (line_input, "protocol %U", unformat_snat_protocol, &proto)) proto_set = 1; - else if (unformat (line_input, "twice-nat")) - twice_nat = TWICE_NAT; - else if (unformat (line_input, "self-twice-nat")) - twice_nat = TWICE_NAT_SELF; - else if (unformat (line_input, "out2in-only")) - out2in_only = 1; else if (unformat (line_input, "del")) is_add = 0; else @@ -767,9 +1348,9 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, } } - if (vec_len (locals) < 2) + if (!l_port || !e_port) { - error = clib_error_return (0, "at least two local must be set"); + error = clib_error_return (0, "local or external must be set"); goto done; } @@ -779,23 +1360,29 @@ 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_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 port already in use."); + error = clib_error_return (0, "External is not load-balancing static " + "mapping."); 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."); + error = clib_error_return (0, "Mapping or back-end not exist."); goto done; case VNET_API_ERROR_VALUE_EXIST: - error = clib_error_return (0, "Mapping already 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; @@ -803,7 +1390,6 @@ add_lb_static_mapping_command_fn (vlib_main_t * vm, done: unformat_free (line_input); - vec_free (locals); return error; } @@ -923,33 +1509,109 @@ 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; + unformat_input_t _line_input, *line_input = &_line_input; + clib_error_t *error = 0; snat_main_t *sm = &snat_main; snat_main_per_thread_data_t *tsm; + + int detail = 0, metrics = 0; snat_user_t *u; int i = 0; if (sm->deterministic) return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); - if (unformat (input, "detail")) - verbose = 1; + if (!unformat_user (input, unformat_line_input, line_input)) + goto print; - vlib_cli_output (vm, "NAT44 sessions:"); + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "detail")) + detail = 1; + else if (unformat (line_input, "metrics")) + metrics = 1; + else + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + break; + } + } + unformat_free (line_input); +print: + 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); - })); + vlib_cli_output (vm, "-------- thread %d %s: %d sessions --------\n", + i, vlib_worker_threads[i].name, + pool_elts (tsm->sessions)); + if (metrics) + { + u64 now = vlib_time_now (sm->vlib_main); + pool_foreach (u, tsm->users, + ({ + vlib_cli_output (vm, " %U", format_snat_user_v2, tsm, u, now); + })); + } + else + { + pool_foreach (u, tsm->users, + ({ + vlib_cli_output (vm, " %U", format_snat_user, tsm, u, detail); + })); + } } /* *INDENT-ON* */ + return error; +} - return 0; +static clib_error_t * +nat44_del_user_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; + ip4_address_t addr; + u32 fib_index = 0; + int rv; + + if (sm->deterministic) + return clib_error_return (0, UNSUPPORTED_IN_DET_MODE_STR); + + /* Get a line of input. */ + if (!unformat_user (input, unformat_line_input, line_input)) + return 0; + + while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT) + { + if (unformat (line_input, "%U", unformat_ip4_address, &addr)) + ; + else if (unformat (line_input, "fib %u", &fib_index)) + ; + else + { + error = clib_error_return (0, "unknown input '%U'", + format_unformat_error, line_input); + goto done; + } + } + + rv = nat44_user_del (&addr, fib_index); + + if (!rv) + { + error = clib_error_return (0, "nat44_user_del returned %d", rv); + } + +done: + unformat_free (line_input); + + return error; } static clib_error_t * @@ -959,10 +1621,10 @@ nat44_del_session_command_fn (vlib_main_t * vm, { snat_main_t *sm = &snat_main; unformat_input_t _line_input, *line_input = &_line_input; - int is_in = 0; + int is_in = 0, is_ed = 0; clib_error_t *error = 0; - ip4_address_t addr; - u32 port = 0, vrf_id = sm->outside_vrf_id; + ip4_address_t addr, eh_addr; + u32 port = 0, eh_port = 0, vrf_id = sm->outside_vrf_id; snat_protocol_t proto; int rv; @@ -984,8 +1646,18 @@ nat44_del_session_command_fn (vlib_main_t * vm, is_in = 1; vrf_id = sm->inside_vrf_id; } + else if (unformat (line_input, "out")) + { + is_in = 0; + vrf_id = sm->outside_vrf_id; + } else if (unformat (line_input, "vrf %u", &vrf_id)) ; + else + if (unformat + (line_input, "external-host %U:%u", unformat_ip4_address, + &eh_addr, &eh_port)) + is_ed = 1; else { error = clib_error_return (0, "unknown input '%U'", @@ -994,7 +1666,12 @@ nat44_del_session_command_fn (vlib_main_t * vm, } } - rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in); + if (is_ed) + rv = + nat44_del_ed_session (sm, &addr, port, &eh_addr, eh_port, + snat_proto_to_ip_proto (proto), vrf_id, is_in); + else + rv = nat44_del_session (sm, &addr, port, proto, vrf_id, is_in); switch (rv) { @@ -1254,9 +1931,6 @@ 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; @@ -1264,21 +1938,54 @@ 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 { @@ -1287,23 +1994,21 @@ set_timeout_command_fn (vlib_main_t * vm, goto done; } } - done: unformat_free (line_input); - + sm->min_timeout = nat44_minimal_timeout (sm); 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) +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); - + // fix text + vlib_cli_output (vm, "min session cleanup timeout: %dsec", sm->min_timeout); vlib_cli_output (vm, "udp timeout: %dsec", sm->udp_timeout); vlib_cli_output (vm, "tcp-established timeout: %dsec", sm->tcp_established_timeout); @@ -1489,6 +2194,66 @@ 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{nat set logging level} + * To force garbage collection of nat sessions + * vpp# nat44 session cleanup + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat44_session_cleanup_command, static) = { + .path = "nat44 session cleanup", + .function = nat44_session_cleanup_command_fn, + .short_help = "nat44 session cleanup", +}; + +/*? + * @cliexpar + * @cliexstart{nat set logging level} + * To set NAT logging level use: + * Set nat logging level + * @cliexend +?*/ +VLIB_CLI_COMMAND (snat_set_log_level_command, static) = { + .path = "nat set logging level", + .function = snat_set_log_level_command_fn, + .short_help = "nat set logging level ", +}; + /*? * @cliexpar * @cliexstart{snat ipfix logging} @@ -1510,6 +2275,8 @@ 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 @@ -1520,6 +2287,106 @@ 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} @@ -1550,6 +2417,19 @@ VLIB_CLI_COMMAND (add_address_command, static) = { .function = add_address_command_fn, }; +/*? + * @cliexpar + * @cliexstart{show nat44 summary} + * Show NAT44 summary + * vpp# show nat44 summary + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat44_show_summary_command, static) = { + .path = "show nat44 summary", + .short_help = "show nat44 summary", + .function = nat44_show_summary_command_fn, +}; + /*? * @cliexpar * @cliexstart{show nat44 addresses} @@ -1646,13 +2526,13 @@ 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]", }; @@ -1671,8 +2551,27 @@ 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]", }; /*? @@ -1735,10 +2634,23 @@ VLIB_CLI_COMMAND (nat44_show_interface_address_command, static) = { ?*/ VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = { .path = "show nat44 sessions", - .short_help = "show nat44 sessions [detail]", + .short_help = "show nat44 sessions [detail|metrics]", .function = nat44_show_sessions_command_fn, }; +/*? + * @cliexpar + * @cliexstart{nat44 del user} + * To delete all NAT44 user sessions: + * vpp# nat44 del user 10.0.0.3 + * @cliexend +?*/ +VLIB_CLI_COMMAND (nat44_del_user_command, static) = { + .path = "nat44 del user", + .short_help = "nat44 del user [fib ]", + .function = nat44_del_user_command_fn, +}; + /*? * @cliexpar * @cliexstart{nat44 del session} @@ -1750,7 +2662,7 @@ VLIB_CLI_COMMAND (nat44_show_sessions_command, static) = { ?*/ VLIB_CLI_COMMAND (nat44_del_session_command, static) = { .path = "nat44 del session", - .short_help = "nat44 del session in|out : tcp|udp|icmp [vrf ]", + .short_help = "nat44 del session in|out : tcp|udp|icmp [vrf ] [external-host :]", .function = nat44_del_session_command_fn, }; @@ -1838,41 +2750,6 @@ 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}