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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
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