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#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;
}
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