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authorJon Loeliger <jdl@netgate.com>2018-12-17 13:43:52 -0600
committerOle Trøan <otroan@employees.org>2018-12-19 14:27:00 +0000
commitf34597fc86c64d054073bf614761beea020c2244 (patch)
tree1dc65fc3c3d5e0e235eb0fb3b98524ebf6db6f0f /src/plugins/map/map.c
parentc6cb18b29d50d522d54b04587b13becc8363ec5c (diff)
MAP: Add API support for MAP input feature.
Change-Id: I336919a1d3a9d1b404e375a30575cce5e5335137 Signed-off-by: Jon Loeliger <jdl@netgate.com>
Diffstat (limited to 'src/plugins/map/map.c')
-rw-r--r--src/plugins/map/map.c118
1 files changed, 118 insertions, 0 deletions
diff --git a/src/plugins/map/map.c b/src/plugins/map/map.c
index 8156ec835a8..307b7a97cfc 100644
--- a/src/plugins/map/map.c
+++ b/src/plugins/map/map.c
@@ -1169,6 +1169,9 @@ show_map_stats_command_fn (vlib_main_t * vm, unformat_input_t * input,
else
vlib_cli_output (vm, "MAP traffic-class: %x", mm->tc);
+ if (mm->tcp_mss)
+ vlib_cli_output (vm, "MAP TCP MSS clamping: %u", mm->tcp_mss);
+
vlib_cli_output (vm,
"MAP IPv6 inbound security check: %s, fragmented packet security check: %s",
mm->sec_check ? "enabled" : "disabled",
@@ -1329,6 +1332,56 @@ map_params_reass_command_fn (vlib_main_t * vm, unformat_input_t * input,
}
+static clib_error_t *
+map_if_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 = NULL;
+ bool is_enable = true, is_translation = false;
+ vnet_main_t *vnm = vnet_get_main ();
+ u32 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, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
+ ;
+ else if (unformat (line_input, "del"))
+ is_enable = false;
+ else if (unformat (line_input, "map-t"))
+ is_translation = true;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+done:
+ unformat_free (line_input);
+
+ if (sw_if_index == ~0)
+ {
+ error = clib_error_return (0, "unknown interface");
+ return error;
+ }
+
+ int rv = map_if_enable_disable (is_enable, sw_if_index, is_translation);
+ if (rv)
+ {
+ error = clib_error_return (0, "failure enabling MAP on interface");
+ }
+
+ return error;
+}
+
+
/*
* packet trace format function
*/
@@ -1913,6 +1966,45 @@ map_ip6_reass_conf_buffers (u32 buffers)
return 0;
}
+static clib_error_t *
+map_tcp_mss_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 = NULL;
+ u32 tcp_mss = 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", &tcp_mss))
+ ;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ if (tcp_mss >= (0x1 << 16))
+ {
+ error = clib_error_return (0, "invalid value `%u'", tcp_mss);
+ goto done;
+ }
+
+ map_param_set_tcp (tcp_mss);
+
+done:
+ unformat_free (line_input);
+
+ return error;
+}
+
+
/* *INDENT-OFF* */
/*?
@@ -1949,6 +2041,22 @@ VLIB_CLI_COMMAND(map_traffic_class_command, static) = {
};
/*?
+ * TCP MSS clamping
+ *
+ * @cliexpar
+ * @cliexstart{map params tcp-mss}
+ *
+ * This command is used to set the TCP MSS in translated
+ * or encapsulated packets.
+ * @cliexend
+ ?*/
+VLIB_CLI_COMMAND(map_tcp_mss_command, static) = {
+ .path = "map params tcp-mss",
+ .short_help = "map params tcp-mss <value>",
+ .function = map_tcp_mss_command_fn,
+};
+
+/*?
* Bypass IP4/IP6 lookup
*
* @cliexpar
@@ -2124,6 +2232,16 @@ VLIB_CLI_COMMAND(show_map_fragments_command, static) = {
.function = show_map_fragments_command_fn,
};
+/*?
+ * Enable MAP processing on interface (input feature)
+ *
+ ?*/
+VLIB_CLI_COMMAND(map_if_command, static) = {
+ .path = "map interface",
+ .short_help = "map interface <interface-name> [map-t] [del]",
+ .function = map_if_command_fn,
+};
+
VLIB_PLUGIN_REGISTER() = {
.version = VPP_BUILD_VER,
.description = "Mapping of address and port (MAP)",