You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
1.4 KiB
79 lines
1.4 KiB
/* |
|
* 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 |
|
|
|
|