1*a71a9546SAutomerger Merge Worker #include <stdbool.h>
2*a71a9546SAutomerger Merge Worker #include <stdint.h>
3*a71a9546SAutomerger Merge Worker #include <stdio.h>
4*a71a9546SAutomerger Merge Worker #include <linux/ip.h>
5*a71a9546SAutomerger Merge Worker
6*a71a9546SAutomerger Merge Worker #ifndef IPTOS_NORMALSVC
7*a71a9546SAutomerger Merge Worker # define IPTOS_NORMALSVC 0
8*a71a9546SAutomerger Merge Worker #endif
9*a71a9546SAutomerger Merge Worker
10*a71a9546SAutomerger Merge Worker struct tos_value_mask {
11*a71a9546SAutomerger Merge Worker uint8_t value, mask;
12*a71a9546SAutomerger Merge Worker };
13*a71a9546SAutomerger Merge Worker
14*a71a9546SAutomerger Merge Worker static const struct tos_symbol_info {
15*a71a9546SAutomerger Merge Worker unsigned char value;
16*a71a9546SAutomerger Merge Worker const char *name;
17*a71a9546SAutomerger Merge Worker } tos_symbol_names[] = {
18*a71a9546SAutomerger Merge Worker {IPTOS_LOWDELAY, "Minimize-Delay"},
19*a71a9546SAutomerger Merge Worker {IPTOS_THROUGHPUT, "Maximize-Throughput"},
20*a71a9546SAutomerger Merge Worker {IPTOS_RELIABILITY, "Maximize-Reliability"},
21*a71a9546SAutomerger Merge Worker {IPTOS_MINCOST, "Minimize-Cost"},
22*a71a9546SAutomerger Merge Worker {IPTOS_NORMALSVC, "Normal-Service"},
23*a71a9546SAutomerger Merge Worker {},
24*a71a9546SAutomerger Merge Worker };
25*a71a9546SAutomerger Merge Worker
tos_try_print_symbolic(const char * prefix,uint8_t value,uint8_t mask)26*a71a9546SAutomerger Merge Worker static bool tos_try_print_symbolic(const char *prefix,
27*a71a9546SAutomerger Merge Worker uint8_t value, uint8_t mask)
28*a71a9546SAutomerger Merge Worker {
29*a71a9546SAutomerger Merge Worker const struct tos_symbol_info *symbol;
30*a71a9546SAutomerger Merge Worker
31*a71a9546SAutomerger Merge Worker if (mask != 0x3F)
32*a71a9546SAutomerger Merge Worker return false;
33*a71a9546SAutomerger Merge Worker
34*a71a9546SAutomerger Merge Worker for (symbol = tos_symbol_names; symbol->name != NULL; ++symbol)
35*a71a9546SAutomerger Merge Worker if (value == symbol->value) {
36*a71a9546SAutomerger Merge Worker printf(" %s%s", prefix, symbol->name);
37*a71a9546SAutomerger Merge Worker return true;
38*a71a9546SAutomerger Merge Worker }
39*a71a9546SAutomerger Merge Worker
40*a71a9546SAutomerger Merge Worker return false;
41*a71a9546SAutomerger Merge Worker }
42