+#include <stdbool.h>
#include <errno.h>
#include <net/if.h>
+#include <strings.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include "nl80211.h"
#include "iw.h"
-static int handle_name(struct nl_cb *cb,
+static int handle_name(struct nl80211_state *state,
+ struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
if (argc != 1)
return 1;
nla_put_failure:
return -ENOBUFS;
}
-COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name);
+COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name,
+ "Rename this wireless device.");
+
+static int handle_freqchan(struct nl_msg *msg, bool chan,
+ int argc, char **argv)
+{
+ char *end;
+ static const struct {
+ const char *name;
+ unsigned int val;
+ } htmap[] = {
+ { .name = "HT20", .val = NL80211_CHAN_HT20, },
+ { .name = "HT40+", .val = NL80211_CHAN_HT40PLUS, },
+ { .name = "HT40-", .val = NL80211_CHAN_HT40MINUS, },
+ };
+ unsigned int htval = NL80211_CHAN_NO_HT;
+ unsigned int freq;
+ int i;
+
+ if (!argc || argc > 2)
+ return 1;
+
+ if (argc == 2) {
+ for (i = 0; i < ARRAY_SIZE(htmap); i++) {
+ if (strcasecmp(htmap[i].name, argv[1]) == 0) {
+ htval = htmap[i].val;
+ break;
+ }
+ }
+ if (htval == NL80211_CHAN_NO_HT)
+ return 1;
+ }
+
+ if (!*argv[0])
+ return 1;
+ freq = strtoul(argv[0], &end, 10);
+ if (*end)
+ return 1;
+
+ if (chan)
+ freq = ieee80211_channel_to_frequency(freq);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, htval);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int handle_freq(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ return handle_freqchan(msg, false, argc, argv);
+}
+COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq,
+ "Set frequency/channel the hardware is using, including HT\n"
+ "configuration.");
+COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq, NULL);
+
+static int handle_chan(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ return handle_freqchan(msg, true, argc, argv);
+}
+COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan, NULL);
+COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan, NULL);
+
+static int handle_fragmentation(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ unsigned int frag;
+
+ if (argc != 1)
+ return 1;
+
+ if (strcmp("off", argv[0]) == 0)
+ frag = -1;
+ else {
+ char *end;
+
+ if (!*argv[0])
+ return 1;
+ frag = strtoul(argv[0], &end, 10);
+ if (*end != '\0')
+ return 1;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, frag);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, frag, "<fragmentation threshold|off>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_fragmentation,
+ "Set fragmentation threshold.");
+
+static int handle_rts(struct nl80211_state *state,
+ struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ unsigned int rts;
+
+ if (argc != 1)
+ return 1;
+
+ if (strcmp("off", argv[0]) == 0)
+ rts = -1;
+ else {
+ char *end;
+
+ if (!*argv[0])
+ return 1;
+ rts = strtoul(argv[0], &end, 10);
+ if (*end != '\0')
+ return 1;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, rts);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, rts, "<rts threshold|off>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_rts,
+ "Set rts threshold.");
+
+static int handle_netns(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+
+ if (argc != 1)
+ return 1;
+
+ if (!*argv[0])
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_PID,
+ strtoul(argv[0], &end, 10));
+
+ if (*end != '\0')
+ return 1;
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, netns, "<pid>",
+ NL80211_CMD_SET_WIPHY_NETNS, 0, CIB_PHY, handle_netns,
+ "Put this wireless device into a different network namespace");
+
+static int handle_coverage(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+ unsigned int coverage;
+
+ if (argc != 1)
+ return 1;
+
+ if (!*argv[0])
+ return 1;
+ coverage = strtoul(argv[0], &end, 10);
+ if (coverage > 255)
+ return 1;
+
+ if (*end)
+ return 1;
+
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, coverage, "<coverage class>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_coverage,
+ "Set coverage class (1 for every 3 usec of air propagation time).\n"
+ "Valid values: 0 - 255.");
+
+static int handle_distance(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+ unsigned int distance, coverage;
+
+ if (argc != 1)
+ return 1;
+
+ if (!*argv[0])
+ return 1;
+
+ distance = strtoul(argv[0], &end, 10);
+
+ if (*end)
+ return 1;
+
+ /*
+ * Divide double the distance by the speed of light in m/usec (300) to
+ * get round-trip time in microseconds and then divide the result by
+ * three to get coverage class as specified in IEEE 802.11-2007 table
+ * 7-27. Values are rounded upwards.
+ */
+ coverage = (distance + 449) / 450;
+ if (coverage > 255)
+ return 1;
+
+ NLA_PUT_U8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, coverage);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, distance, "<distance>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_distance,
+ "Set appropriate coverage class for given link distance in meters.\n"
+ "Valid values: 0 - 114750");
+
+static int handle_txpower(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ enum nl80211_tx_power_setting type;
+ int mbm;
+
+ /* get the required args */
+ if (argc != 1 && argc != 2)
+ return 1;
+
+ if (!strcmp(argv[0], "auto"))
+ type = NL80211_TX_POWER_AUTOMATIC;
+ else if (!strcmp(argv[0], "fixed"))
+ type = NL80211_TX_POWER_FIXED;
+ else if (!strcmp(argv[0], "limit"))
+ type = NL80211_TX_POWER_LIMITED;
+ else {
+ printf("Invalid parameter: %s\n", argv[0]);
+ return 2;
+ }
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type);
+
+ if (type != NL80211_TX_POWER_AUTOMATIC) {
+ char *endptr;
+ if (argc != 2) {
+ printf("Missing TX power level argument.\n");
+ return 2;
+ }
+
+ mbm = strtol(argv[1], &endptr, 10);
+ if (*endptr)
+ return 2;
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm);
+ } else if (argc != 1)
+ return 1;
+
+ return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_txpower,
+ "Specify transmit power level and setting type.");
+COMMAND(set, txpower, "<auto|fixed|limit> [<tx power in mBm>]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_txpower,
+ "Specify transmit power level and setting type.");
+
+static int handle_antenna(struct nl80211_state *state,
+ struct nl_cb *cb,
+ struct nl_msg *msg,
+ int argc, char **argv,
+ enum id_input id)
+{
+ char *end;
+ uint32_t tx_ant = 0, rx_ant = 0;
+
+ if (argc == 1 && strcmp(argv[0], "all") == 0) {
+ tx_ant = 0xffffffff;
+ rx_ant = 0xffffffff;
+ } else if (argc == 1) {
+ tx_ant = rx_ant = strtoul(argv[0], &end, 0);
+ if (*end)
+ return 1;
+ }
+ else if (argc == 2) {
+ tx_ant = strtoul(argv[0], &end, 0);
+ if (*end)
+ return 1;
+ rx_ant = strtoul(argv[1], &end, 0);
+ if (*end)
+ return 1;
+ } else
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_TX, tx_ant);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_ANTENNA_RX, rx_ant);
+
+ return 0;
+
+ nla_put_failure:
+ return -ENOBUFS;
+}
+COMMAND(set, antenna, "<bitmap> | all | <tx bitmap> <rx bitmap>",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_antenna,
+ "Set a bitmap of allowed antennas to use for TX and RX.\n"
+ "The driver may reject antenna configurations it cannot support.");
projects / thirdparty / iw.git / blobdiff