2 * Copyright (c) 2002-2004 Gunter Burchardt, Local-Web AG
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40 * Simple Atheros-specific tool to inspect and set atheros specific values
41 * athctrl [-i interface] [-d distance]
42 * (default interface is wifi0).
44 #include <sys/types.h>
57 setsysctrl(const char *dev, const char *control , u_long value)
62 snprintf(buffer, sizeof(buffer), "/proc/sys/dev/%s/%s", dev, control);
63 fd = fopen(buffer, "w");
65 fprintf(fd, "%li", value);
68 fprintf(stderr, "Could not open %s for writing!\n", buffer);
73 static void usage(void)
76 "Atheros driver control\n"
77 "Copyright (c) 2002-2004 Gunter Burchardt, Local-Web AG\n"
79 "usage: athctrl [-i interface] [-d distance]\n"
82 " -h show this usage\n"
83 " -i interface (default interface is wifi0)\n"
84 " -d specify the maximum distance of a sta or the distance\n"
91 main(int argc, char *argv[])
93 char device[IFNAMSIZ + 1];
97 strncpy(device, "wifi0", sizeof (device));
100 c = getopt(argc, argv, "d:i:h");
108 distance = atoi(optarg);
111 strncpy(device, optarg, sizeof (device));
120 printf("Setting distance on interface %s to %i meters\n",
122 setsysctrl(device, "distance", distance);