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@@ -1262,6 +1262,56 @@ static int nl80211_get_frequency(const char *ifname, int *buf)
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return (*buf == 0) ? -1 : 0;
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}
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+static int nl80211_get_center_freq1_cb(struct nl_msg *msg, void *arg)
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+{
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+ int *freq = arg;
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+ struct nlattr **tb = nl80211_parse(msg);
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+
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+ if (tb[NL80211_ATTR_CENTER_FREQ1])
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+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ1]);
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+
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+ return NL_SKIP;
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+}
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+
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+static int nl80211_get_center_freq1(const char *ifname, int *buf)
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+{
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+ char *res;
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+
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+ /* try to find frequency from interface info */
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+ res = nl80211_phy2ifname(ifname);
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+ *buf = 0;
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+
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+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
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+ nl80211_get_center_freq1_cb, buf);
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+
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+ return (*buf == 0) ? -1 : 0;
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+}
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+
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+static int nl80211_get_center_freq2_cb(struct nl_msg *msg, void *arg)
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+{
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+ int *freq = arg;
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+ struct nlattr **tb = nl80211_parse(msg);
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+
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+ if (tb[NL80211_ATTR_CENTER_FREQ2])
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+ *freq = nla_get_u32(tb[NL80211_ATTR_CENTER_FREQ2]);
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+
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+ return NL_SKIP;
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+}
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+
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+static int nl80211_get_center_freq2(const char *ifname, int *buf)
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+{
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+ char *res;
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+
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+ /* try to find frequency from interface info */
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+ res = nl80211_phy2ifname(ifname);
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+ *buf = 0;
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+
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+ nl80211_request(res ? res : ifname, NL80211_CMD_GET_INTERFACE, 0,
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+ nl80211_get_center_freq2_cb, buf);
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+
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+ return (*buf == 0) ? -1 : 0;
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+}
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+
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static int nl80211_get_channel(const char *ifname, int *buf)
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{
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if (!nl80211_get_frequency(ifname, buf))
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@@ -1273,6 +1323,28 @@ static int nl80211_get_channel(const char *ifname, int *buf)
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return -1;
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}
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+static int nl80211_get_center_chan1(const char *ifname, int *buf)
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+{
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+ if (!nl80211_get_center_freq1(ifname, buf))
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+ {
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+ *buf = nl80211_freq2channel(*buf);
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+ return 0;
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+ }
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+
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+ return -1;
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+}
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+
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+static int nl80211_get_center_chan2(const char *ifname, int *buf)
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+{
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+ if (!nl80211_get_center_freq2(ifname, buf))
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+ {
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+ *buf = nl80211_freq2channel(*buf);
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+ return 0;
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+ }
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+
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+ return -1;
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+}
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+
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static int nl80211_get_txpower_cb(struct nl_msg *msg, void *arg)
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{
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int *buf = arg;
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@@ -3272,5 +3344,7 @@ const struct iwinfo_ops nl80211_ops = {
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.countrylist = nl80211_get_countrylist,
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.survey = nl80211_get_survey,
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.lookup_phy = nl80211_lookup_phyname,
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- .close = nl80211_close
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+ .close = nl80211_close,
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+ .center_chan1 = nl80211_get_center_chan1,
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+ .center_chan2 = nl80211_get_center_chan2
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};
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