#include <stdbool.h>

#include <stdint.h>

#include <stdio.h>

#include <linux/ip.h>

#ifndef IPTOS_NORMALSVC

#	define IPTOS_NORMALSVC 0

#endif

struct tos_value_mask {

	uint8_t value, mask;

};

static const struct tos_symbol_info {

	unsigned char value;

	const char *name;

} tos_symbol_names[] = {

	{IPTOS_LOWDELAY,    "Minimize-Delay"},

	{IPTOS_THROUGHPUT,  "Maximize-Throughput"},

	{IPTOS_RELIABILITY, "Maximize-Reliability"},

	{IPTOS_MINCOST,     "Minimize-Cost"},

	{IPTOS_NORMALSVC,   "Normal-Service"},

	{},

};

static bool tos_try_print_symbolic(const char *prefix,

    uint8_t value, uint8_t mask)

{

	const struct tos_symbol_info *symbol;

	if (mask != 0x3F)

		return false;

	for (symbol = tos_symbol_names; symbol->name != NULL; ++symbol)

		if (value == symbol->value) {

			printf(" %s%s", prefix, symbol->name);

			return true;

		}

	return false;

}