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simplify use with non-ath devices; search the wlan sysctl nodes to

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locate the right one for the specified interface

MFC after:	3 days
This commit is contained in:
Sam Leffler 2005-08-03 04:25:04 +00:00
parent bb2fd058ce
commit f0abdaaa64
1 changed files with 18 additions and 7 deletions
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25
tools/tools/ath/80211debug.c
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@ -148,10 +148,10 @@ main(int argc, char *argv[])
const char *ifname = "ath0";
const char *cp, *tp;
const char *sep;
int c, op, i;
int c, op, i, unit;
u_int32_t debug, ndebug;
size_t debuglen;
char oid[256];
size_t debuglen, parentlen;
char oid[256], parent[256];
progname = argv[0];
if (argc > 1) {
@ -159,17 +159,28 @@ main(int argc, char *argv[])
if (argc < 2)
errx(1, "missing interface name for -i option");
ifname = argv[2];
if (strncmp(ifname, "ath", 3) != 0)
errx(2, "huh, this is for ath devices?");
argc -= 2, argv += 2;
} else if (strcmp(argv[1], "-?") == 0)
usage();
}
for (unit = 0; unit < 10; unit++) {
#ifdef __linux__
snprintf(oid, sizeof(oid), "net.wlan%s.debug", ifname+3);
snprintf(oid, sizeof(oid), "net.wlan%d.%%parent", unit);
#else
snprintf(oid, sizeof(oid), "net.wlan.%s.debug", ifname+3);
snprintf(oid, sizeof(oid), "net.wlan.%d.%%parent", unit);
#endif
parentlen = sizeof(parentlen);
if (sysctlbyname(oid, parent, &parentlen, NULL, 0) >= 0 &&
strncmp(parent, ifname, parentlen) == 0)
break;
}
if (unit == 10)
errx(1, "%s: cannot locate wlan sysctl node.", ifname);
#ifdef __linux__
snprintf(oid, sizeof(oid), "net.wlan%d.debug", unit);
#else
snprintf(oid, sizeof(oid), "net.wlan.%d.debug", unit);
#endif
debuglen = sizeof(debug);
if (sysctlbyname(oid, &debug, &debuglen, NULL, 0) < 0)