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42 lines
858 B
42 lines
858 B
#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <linux/ip.h>
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#ifndef IPTOS_NORMALSVC
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# define IPTOS_NORMALSVC 0
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#endif
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struct tos_value_mask {
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uint8_t value, mask;
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};
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static const struct tos_symbol_info {
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unsigned char value;
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const char *name;
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} tos_symbol_names[] = {
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{IPTOS_LOWDELAY, "Minimize-Delay"},
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{IPTOS_THROUGHPUT, "Maximize-Throughput"},
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{IPTOS_RELIABILITY, "Maximize-Reliability"},
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{IPTOS_MINCOST, "Minimize-Cost"},
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{IPTOS_NORMALSVC, "Normal-Service"},
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{},
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};
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static bool tos_try_print_symbolic(const char *prefix,
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uint8_t value, uint8_t mask)
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{
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const struct tos_symbol_info *symbol;
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if (mask != 0x3F)
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return false;
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for (symbol = tos_symbol_names; symbol->name != NULL; ++symbol)
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if (value == symbol->value) {
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printf(" %s%s", prefix, symbol->name);
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return true;
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}
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return false;
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}
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