X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Fnat%2Fnat44_cli.c;h=9aaa8498e22aefd8941e40957755eb33e859c3a6;hb=b686508c4edff42dac2ab140318de8aacb2ac18b;hp=17a3827dee6beb64d40d5f6c8b47fb6ea2b399fe;hpb=5d28c7afbc0abd172d0053768b2ebe37b7a6c348;p=vpp.git diff --git a/src/plugins/nat/nat44_cli.c b/src/plugins/nat/nat44_cli.c index 17a3827dee6..9aaa8498e22 100644 --- a/src/plugins/nat/nat44_cli.c +++ b/src/plugins/nat/nat44_cli.c @@ -291,6 +291,56 @@ nat44_show_alloc_addr_and_port_alg_command_fn (vlib_main_t * vm, 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) @@ -668,7 +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) { @@ -677,7 +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; @@ -752,7 +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) { @@ -761,7 +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; @@ -811,7 +861,7 @@ 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; @@ -821,7 +871,7 @@ 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; @@ -875,7 +925,7 @@ 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; @@ -897,6 +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, @@ -1702,6 +1844,32 @@ VLIB_CLI_COMMAND (nat44_show_alloc_addr_and_port_alg_command, static) = { .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} @@ -1858,6 +2026,24 @@ 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}