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| /*
| * DiffServ classname <-> DiffServ codepoint mapping functions.
| *
| * The latest list of the mappings can be found at:
| * <http://www.iana.org/assignments/dscp-registry>
| *
| * This code is released under the GNU GPL v2, 1991
| *
| * Author: Iain Barnes
| */
|
| #include <stdio.h>
| #include <string.h>
| #include <xtables.h>
|
|
| static const struct ds_class
| {
| const char *name;
| unsigned int dscp;
| } ds_classes[] =
| {
| { "CS0", 0x00 },
| { "CS1", 0x08 },
| { "CS2", 0x10 },
| { "CS3", 0x18 },
| { "CS4", 0x20 },
| { "CS5", 0x28 },
| { "CS6", 0x30 },
| { "CS7", 0x38 },
| { "BE", 0x00 },
| { "AF11", 0x0a },
| { "AF12", 0x0c },
| { "AF13", 0x0e },
| { "AF21", 0x12 },
| { "AF22", 0x14 },
| { "AF23", 0x16 },
| { "AF31", 0x1a },
| { "AF32", 0x1c },
| { "AF33", 0x1e },
| { "AF41", 0x22 },
| { "AF42", 0x24 },
| { "AF43", 0x26 },
| { "EF", 0x2e }
| };
|
|
|
| static unsigned int
| class_to_dscp(const char *name)
| {
| unsigned int i;
|
| for (i = 0; i < ARRAY_SIZE(ds_classes); i++) {
| if (!strncasecmp(name, ds_classes[i].name,
| strlen(ds_classes[i].name)))
| return ds_classes[i].dscp;
| }
|
| xtables_error(PARAMETER_PROBLEM,
| "Invalid DSCP value `%s'\n", name);
| }
|
|
| #if 0
| static const char *
| dscp_to_name(unsigned int dscp)
| {
| int i;
|
| for (i = 0; i < ARRAY_SIZE(ds_classes); ++i)
| if (dscp == ds_classes[i].dscp)
| return ds_classes[i].name;
|
| xtables_error(PARAMETER_PROBLEM,
| "Invalid DSCP value `%d'\n", dscp);
| }
| #endif
|
|
