Copyright (c) 2007 Mike Kershaw
Copyright (c) 2008 Luis R. Rodriguez
-All rights reserved.
+Permission to use, copy, modify, and/or distribute this software for any
+purpose with or without fee is hereby granted, provided that the above
+copyright notice and this permission notice appear in all copies.
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-1. Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
-2. Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
-3. The name of the author may not be used to endorse or promote products
- derived from this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
-AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGE.
+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
MAKEFLAGS += --no-print-directory
+PREFIX ?= /usr
+BINDIR ?= $(PREFIX)/bin
+MANDIR ?= $(PREFIX)/share/man
+
MKDIR ?= mkdir -p
INSTALL ?= install
-PREFIX ?= /usr
CC ?= "gcc"
+
CFLAGS += -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -Werror-implicit-function-declaration `pkg-config --cflags libnl-1`
CFLAGS += -O2 -g
LDFLAGS += `pkg-config --libs libnl-1`
NLVERSION = 1.0
-OBJS = iw.o info.o phy.o interface.o station.o util.o mpath.o reg.o mesh.o scan.o
+OBJS = iw.o info.o phy.o interface.o station.o util.o mpath.o reg.o mesh.o genl.o scan.o
ALL = iw
ifeq ($(V),1)
install: iw iw.8.gz
@$(NQ) ' INST iw'
- $(Q)$(MKDIR) $(DESTDIR)$(PREFIX)/bin/
- $(Q)$(INSTALL) -m 755 -o root -g root -t $(DESTDIR)$(PREFIX)/bin/ iw
+ $(Q)$(MKDIR) $(DESTDIR)$(BINDIR)
+ $(Q)$(INSTALL) -m 755 -t $(DESTDIR)$(BINDIR) iw
@$(NQ) ' INST iw.8'
- $(Q)$(MKDIR) $(DESTDIR)$(PREFIX)/share/man/man8/
- $(Q)$(INSTALL) -m 644 -o root -g root -t $(DESTDIR)$(PREFIX)/share/man/man8/ iw.8.gz
+ $(Q)$(MKDIR) $(DESTDIR)$(MANDIR)/man8/
+ $(Q)$(INSTALL) -m 644 -t $(DESTDIR)$(MANDIR)/man8/ iw.8.gz
clean:
$(Q)rm -f iw *.o *~ *.gz version.h *-stamp
To build iw, just enter 'make'. If that fails, copy the file
defconfig to .config and adjust the settings in it.
+
+
+'iw' is currently maintained at http://git.sipsolutions.net/iw.git/,
+some more documentation is available at
+http://wireless.kernel.org/en/users/Documentation/iw.
+
+Please send all patches to Johannes Berg <johannes@sipsolutions.net>
+and CC linux-wireless@vger.kernel.org for community review.
--- /dev/null
+/*
+ * This ought to be provided by libnl
+ */
+
+#include <asm/errno.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/family.h>
+#include <netlink/genl/ctrl.h>
+#include <netlink/msg.h>
+#include <netlink/attr.h>
+
+static int error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err,
+ void *arg)
+{
+ int *ret = arg;
+ *ret = err->error;
+ return NL_STOP;
+}
+
+static int ack_handler(struct nl_msg *msg, void *arg)
+{
+ int *ret = arg;
+ *ret = 0;
+ return NL_STOP;
+}
+
+struct handler_args {
+ const char *group;
+ int id;
+};
+
+static int family_handler(struct nl_msg *msg, void *arg)
+{
+ struct handler_args *grp = arg;
+ struct nlattr *tb[CTRL_ATTR_MAX + 1];
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct nlattr *mcgrp;
+ int rem_mcgrp;
+
+ nla_parse(tb, CTRL_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ if (!tb[CTRL_ATTR_MCAST_GROUPS])
+ return NL_SKIP;
+
+ nla_for_each_nested(mcgrp, tb[CTRL_ATTR_MCAST_GROUPS], rem_mcgrp) {
+ struct nlattr *tb_mcgrp[CTRL_ATTR_MCAST_GRP_MAX + 1];
+
+ nla_parse(tb_mcgrp, CTRL_ATTR_MCAST_GRP_MAX,
+ nla_data(mcgrp), nla_len(mcgrp), NULL);
+
+ if (!tb_mcgrp[CTRL_ATTR_MCAST_GRP_NAME] ||
+ !tb_mcgrp[CTRL_ATTR_MCAST_GRP_ID])
+ continue;
+ if (strncmp(nla_data(tb_mcgrp[CTRL_ATTR_MCAST_GRP_NAME]),
+ grp->group, nla_len(tb_mcgrp[CTRL_ATTR_MCAST_GRP_NAME])))
+ continue;
+ grp->id = nla_get_u32(tb_mcgrp[CTRL_ATTR_MCAST_GRP_ID]);
+ break;
+ }
+
+ return NL_SKIP;
+}
+
+int nl_get_multicast_id(struct nl_handle *handle, const char *family, const char *group)
+{
+ struct nl_msg *msg;
+ struct nl_cb *cb;
+ int ret, ctrlid;
+ struct handler_args grp = {
+ .group = group,
+ .id = -ENOENT,
+ };
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ cb = nl_cb_alloc(NL_CB_DEFAULT);
+ if (!cb) {
+ ret = -ENOMEM;
+ goto out_fail_cb;
+ }
+
+ ctrlid = genl_ctrl_resolve(handle, "nlctrl");
+
+ genlmsg_put(msg, 0, 0, ctrlid, 0,
+ 0, CTRL_CMD_GETFAMILY, 0);
+
+ ret = -ENOBUFS;
+ NLA_PUT_STRING(msg, CTRL_ATTR_FAMILY_NAME, family);
+
+ ret = nl_send_auto_complete(handle, msg);
+ if (ret < 0)
+ goto out;
+
+ ret = 1;
+
+ nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &ret);
+ nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &ret);
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, family_handler, &grp);
+
+ while (ret > 0)
+ nl_recvmsgs(handle, cb);
+
+ if (ret == 0)
+ ret = grp.id;
+ nla_put_failure:
+ out:
+ nl_cb_put(cb);
+ out_fail_cb:
+ nlmsg_free(msg);
+ return ret;
+}
printf(" (");
else
printf(", ");
- printf(name);
+ printf("%s", name);
*open = 1;
}
[NL80211_FREQUENCY_ATTR_PASSIVE_SCAN] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
[NL80211_FREQUENCY_ATTR_RADAR] = { .type = NLA_FLAG },
+ [NL80211_FREQUENCY_ATTR_MAX_TX_POWER] = { .type = NLA_U32 },
};
struct nlattr *tb_rate[NL80211_BITRATE_ATTR_MAX + 1];
printf("\t\tFrequencies:\n");
nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
+ uint32_t freq;
nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
nla_len(nl_freq), freq_policy);
if (!tb_freq[NL80211_FREQUENCY_ATTR_FREQ])
continue;
- printf("\t\t\t* %d MHz", nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]));
+ freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
+ printf("\t\t\t* %d MHz [%d]", freq, ieee80211_frequency_to_channel(freq));
+
+ if (tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER] &&
+ !tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
+ printf(" (%.1f dBm)", 0.01 * nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_MAX_TX_POWER]));
+
open = 0;
if (tb_freq[NL80211_FREQUENCY_ATTR_DISABLED])
print_flag("disabled", &open);
fprintf(stderr, "\t--debug\t\tenable netlink debugging\n");
fprintf(stderr, "\t--version\tshow version\n");
fprintf(stderr, "Commands:\n");
+ fprintf(stderr, "\thelp\n");
+ fprintf(stderr, "\tevent\n");
for (cmd = &__start___cmd; cmd < &__stop___cmd;
cmd = (struct cmd *)((char *)cmd + cmd_size)) {
if (!cmd->handler || cmd->hidden)
static int finish_handler(struct nl_msg *msg, void *arg)
{
+ int *ret = arg;
+ *ret = 0;
return NL_SKIP;
}
err = 1;
nl_cb_err(cb, NL_CB_CUSTOM, error_handler, &err);
- nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, NULL);
+ nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, finish_handler, &err);
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, ack_handler, &err);
while (err > 0)
return 2;
}
+static int no_seq_check(struct nl_msg *msg, void *arg)
+{
+ return NL_OK;
+}
+
+static int print_event(struct nl_msg *msg, void *arg)
+{
+ struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
+ struct nlattr *tb[NL80211_ATTR_MAX + 1];
+
+ nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
+ genlmsg_attrlen(gnlh, 0), NULL);
+
+ switch (gnlh->cmd) {
+ case NL80211_CMD_NEW_WIPHY: {
+ printf("wiphy rename: phy #%d to %s\n",
+ nla_get_u32(tb[NL80211_ATTR_WIPHY]),
+ nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]));
+ break;
+ }
+ }
+
+ return NL_SKIP;
+}
+
+static int listen_events(struct nl80211_state *state,
+ int argc, char **argv)
+{
+ int mcid, ret;
+ struct nl_cb *cb = nl_cb_alloc(debug ? NL_CB_DEBUG : NL_CB_DEFAULT);
+
+ if (!cb) {
+ fprintf(stderr, "failed to allocate netlink callbacks\n");
+ return -ENOMEM;
+ }
+
+ mcid = nl_get_multicast_id(state->nl_handle, "nl80211", "config");
+ if (mcid < 0)
+ return mcid;
+
+ ret = nl_socket_add_membership(state->nl_handle, mcid);
+ if (ret)
+ return ret;
+
+ /* no sequence checking for multicast messages */
+ nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
+ nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, print_event, NULL);
+
+ while (1)
+ nl_recvmsgs(state->nl_handle, cb);
+
+ nl_cb_put(cb);
+
+ return 0;
+}
+
int main(int argc, char **argv)
{
struct nl80211_state nlstate;
if (err)
return 1;
- if (strcmp(*argv, "dev") == 0) {
+ if (strcmp(*argv, "event") == 0) {
+ err = listen_events(&nlstate, argc, argv);
+ } else if (strcmp(*argv, "dev") == 0) {
argc--;
argv++;
err = handle_cmd(&nlstate, CIB_NETDEV, argc, argv);
int mac_addr_n2a(char *mac_addr, unsigned char *arg);
const char *iftype_name(enum nl80211_iftype iftype);
+int ieee80211_channel_to_frequency(int chan);
+int ieee80211_frequency_to_channel(int freq);
+
+int nl_get_multicast_id(struct nl_handle *handle, const char *family, const char *group);
#endif /* __IW_H */
/*
* 802.11 netlink interface public header
*
- * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2006, 2007, 2008 Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2008 Michael Wu <flamingice@sourmilk.net>
+ * Copyright 2008 Luis Carlos Cobo <luisca@cozybit.com>
+ * Copyright 2008 Michael Buesch <mb@bu3sch.de>
+ * Copyright 2008 Luis R. Rodriguez <lrodriguez@atheros.com>
+ * Copyright 2008 Jouni Malinen <jouni.malinen@atheros.com>
+ * Copyright 2008 Colin McCabe <colin@cozybit.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
*/
/**
*
* @NL80211_CMD_GET_WIPHY: request information about a wiphy or dump request
* to get a list of all present wiphys.
- * @NL80211_CMD_SET_WIPHY: set wiphy name, needs %NL80211_ATTR_WIPHY and
- * %NL80211_ATTR_WIPHY_NAME.
+ * @NL80211_CMD_SET_WIPHY: set wiphy parameters, needs %NL80211_ATTR_WIPHY or
+ * %NL80211_ATTR_IFINDEX; can be used to set %NL80211_ATTR_WIPHY_NAME,
+ * %NL80211_ATTR_WIPHY_TXQ_PARAMS, %NL80211_ATTR_WIPHY_FREQ, and/or
+ * %NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET.
* @NL80211_CMD_NEW_WIPHY: Newly created wiphy, response to get request
* or rename notification. Has attributes %NL80211_ATTR_WIPHY and
* %NL80211_ATTR_WIPHY_NAME.
* @NL80211_ATTR_WIPHY: index of wiphy to operate on, cf.
* /sys/class/ieee80211/<phyname>/index
* @NL80211_ATTR_WIPHY_NAME: wiphy name (used for renaming)
+ * @NL80211_ATTR_WIPHY_TXQ_PARAMS: a nested array of TX queue parameters
+ * @NL80211_ATTR_WIPHY_FREQ: frequency of the selected channel in MHz
+ * @NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET: included with NL80211_ATTR_WIPHY_FREQ
+ * if HT20 or HT40 are allowed (i.e., 802.11n disabled if not included):
+ * NL80211_SEC_CHAN_NO_HT = HT not allowed (i.e., same as not including
+ * this attribute)
+ * NL80211_SEC_CHAN_DISABLED = HT20 only
+ * NL80211_SEC_CHAN_BELOW = secondary channel is below the primary channel
+ * NL80211_SEC_CHAN_ABOVE = secondary channel is above the primary channel
*
* @NL80211_ATTR_IFINDEX: network interface index of the device to operate on
* @NL80211_ATTR_IFNAME: network interface name
* (u8, 0 or 1)
* @NL80211_ATTR_BSS_SHORT_SLOT_TIME: whether short slot time enabled
* (u8, 0 or 1)
+ * @NL80211_ATTR_BSS_BASIC_RATES: basic rates, array of basic
+ * rates in format defined by IEEE 802.11 7.3.2.2 but without the length
+ * restriction (at most %NL80211_MAX_SUPP_RATES).
*
* @NL80211_ATTR_HT_CAPABILITY: HT Capability information element (from
* association request when used with NL80211_CMD_NEW_STATION)
NL80211_ATTR_MESH_PARAMS,
+ NL80211_ATTR_BSS_BASIC_RATES,
+
+ NL80211_ATTR_WIPHY_TXQ_PARAMS,
+ NL80211_ATTR_WIPHY_FREQ,
+ NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET,
+
NL80211_ATTR_MAX_NUM_SCAN_SSIDS,
NL80211_ATTR_SCAN_FREQUENCIES,
* here
*/
#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
+#define NL80211_ATTR_BSS_BASIC_RATES NL80211_ATTR_BSS_BASIC_RATES
+#define NL80211_ATTR_WIPHY_TXQ_PARAMS NL80211_ATTR_WIPHY_TXQ_PARAMS
+#define NL80211_ATTR_WIPHY_FREQ NL80211_ATTR_WIPHY_FREQ
+#define NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET
#define NL80211_MAX_SUPP_RATES 32
#define NL80211_MAX_SUPP_REG_RULES 32
* on this channel in current regulatory domain.
* @NL80211_FREQUENCY_ATTR_RADAR: Radar detection is mandatory
* on this channel in current regulatory domain.
+ * @NL80211_FREQUENCY_ATTR_MAX_TX_POWER: Maximum transmission power in mBm
+ * (100 * dBm).
*/
enum nl80211_frequency_attr {
__NL80211_FREQUENCY_ATTR_INVALID,
NL80211_FREQUENCY_ATTR_PASSIVE_SCAN,
NL80211_FREQUENCY_ATTR_NO_IBSS,
NL80211_FREQUENCY_ATTR_RADAR,
+ NL80211_FREQUENCY_ATTR_MAX_TX_POWER,
/* keep last */
__NL80211_FREQUENCY_ATTR_AFTER_LAST,
NL80211_FREQUENCY_ATTR_MAX = __NL80211_FREQUENCY_ATTR_AFTER_LAST - 1
};
+#define NL80211_FREQUENCY_ATTR_MAX_TX_POWER NL80211_FREQUENCY_ATTR_MAX_TX_POWER
+
/**
* enum nl80211_bitrate_attr - bitrate attributes
* @NL80211_BITRATE_ATTR_RATE: Bitrate in units of 100 kbps
NL80211_MESHCONF_ATTR_MAX = __NL80211_MESHCONF_ATTR_AFTER_LAST - 1
};
+/**
+ * enum nl80211_txq_attr - TX queue parameter attributes
+ * @__NL80211_TXQ_ATTR_INVALID: Attribute number 0 is reserved
+ * @NL80211_TXQ_ATTR_QUEUE: TX queue identifier (NL80211_TXQ_Q_*)
+ * @NL80211_TXQ_ATTR_TXOP: Maximum burst time in units of 32 usecs, 0 meaning
+ * disabled
+ * @NL80211_TXQ_ATTR_CWMIN: Minimum contention window [a value of the form
+ * 2^n-1 in the range 1..32767]
+ * @NL80211_TXQ_ATTR_CWMAX: Maximum contention window [a value of the form
+ * 2^n-1 in the range 1..32767]
+ * @NL80211_TXQ_ATTR_AIFS: Arbitration interframe space [0..255]
+ * @__NL80211_TXQ_ATTR_AFTER_LAST: Internal
+ * @NL80211_TXQ_ATTR_MAX: Maximum TXQ attribute number
+ */
+enum nl80211_txq_attr {
+ __NL80211_TXQ_ATTR_INVALID,
+ NL80211_TXQ_ATTR_QUEUE,
+ NL80211_TXQ_ATTR_TXOP,
+ NL80211_TXQ_ATTR_CWMIN,
+ NL80211_TXQ_ATTR_CWMAX,
+ NL80211_TXQ_ATTR_AIFS,
+
+ /* keep last */
+ __NL80211_TXQ_ATTR_AFTER_LAST,
+ NL80211_TXQ_ATTR_MAX = __NL80211_TXQ_ATTR_AFTER_LAST - 1
+};
+
+enum nl80211_txq_q {
+ NL80211_TXQ_Q_VO,
+ NL80211_TXQ_Q_VI,
+ NL80211_TXQ_Q_BE,
+ NL80211_TXQ_Q_BK
+};
+
+enum nl80211_sec_chan_offset {
+ NL80211_SEC_CHAN_NO_HT /* No HT */,
+ NL80211_SEC_CHAN_DISABLED /* HT20 only */,
+ NL80211_SEC_CHAN_BELOW /* HT40- */,
+ NL80211_SEC_CHAN_ABOVE /* HT40+ */
+};
+
enum nl80211_bss {
__NL80211_BSS_INVALID,
NL80211_BSS_BSSID,
+#include <stdbool.h>
#include <errno.h>
#include <net/if.h>
return -ENOBUFS;
}
COMMAND(set, name, "<new name>", NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_name);
+
+static int handle_freqchan(struct nl_msg *msg, bool chan,
+ int argc, char **argv)
+{
+ static const struct {
+ const char *name;
+ unsigned int val;
+ } htmap[] = {
+ { .name = "HT20", .val = NL80211_SEC_CHAN_DISABLED, },
+ { .name = "HT40+", .val = NL80211_SEC_CHAN_ABOVE, },
+ { .name = "HT40-", .val = NL80211_SEC_CHAN_BELOW, },
+ };
+ unsigned int htval = NL80211_SEC_CHAN_NO_HT;
+ unsigned int freq;
+ int i;
+
+ if (!argc || argc > 2)
+ return 1;
+
+ if (argc == 2) {
+ for (i = 0; i < sizeof(htmap)/sizeof(htmap[0]); i++) {
+ if (strcasecmp(htmap[i].name, argv[1]) == 0) {
+ htval = htmap[i].val;
+ break;
+ }
+ }
+ if (htval == NL80211_SEC_CHAN_NO_HT)
+ return 1;
+ }
+
+ freq = strtoul(argv[0], NULL, 10);
+ if (chan)
+ freq = ieee80211_channel_to_frequency(freq);
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_SEC_CHAN_OFFSET, htval);
+
+ return 0;
+ nla_put_failure:
+ return -ENOBUFS;
+}
+
+static int handle_freq(struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv)
+{
+ return handle_freqchan(msg, false, argc, argv);
+}
+COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_freq);
+COMMAND(set, freq, "<freq> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_freq);
+
+static int handle_chan(struct nl_cb *cb, struct nl_msg *msg,
+ int argc, char **argv)
+{
+ return handle_freqchan(msg, true, argc, argv);
+}
+COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_PHY, handle_chan);
+COMMAND(set, channel, "<channel> [HT20|HT40+|HT40-]",
+ NL80211_CMD_SET_WIPHY, 0, CIB_NETDEV, handle_chan);
sprintf(modebuf, "Unknown mode (%d)", iftype);
return modebuf;
}
+
+int ieee80211_channel_to_frequency(int chan)
+{
+ if (chan < 14)
+ return 2407 + chan * 5;
+
+ if (chan == 14)
+ return 2484;
+
+ /* FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) */
+ return (chan + 1000) * 5;
+}
+
+int ieee80211_frequency_to_channel(int freq)
+{
+ if (freq == 2484)
+ return 14;
+
+ if (freq < 2484)
+ return (freq - 2407) / 5;
+
+ /* FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) */
+ return freq/5 - 1000;
+}
#!/bin/sh
-VERSION="0.9.5"
+VERSION="0.9.6"
+OUT="version.h"
-(
if head=`git rev-parse --verify HEAD 2>/dev/null`; then
git update-index --refresh --unmerged > /dev/null
descr=$(git describe)
# is correct...
[ "${descr%%-*}" = "v$VERSION" ] || exit 2
- echo -n '#define IW_VERSION "'
- echo -n "${descr#v}"
+ echo -n '#define IW_VERSION "' > "$OUT"
+ echo -n "${descr#v}" >> "$OUT"
if git diff-index --name-only HEAD | read dummy ; then
- echo -n "-dirty"
+ echo -n "-dirty" >> "$OUT"
fi
- echo '"'
+ echo '"' >> "$OUT"
else
-echo "#define IW_VERSION \"$VERSION-nogit\""
+echo "#define IW_VERSION \"$VERSION-nogit\"" > "$OUT"
fi
-) > version.h
projects / thirdparty / iw.git / commitdiff
