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@@ -2958,6 +2958,75 @@ out:
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return -1;
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}
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+struct chan_info {
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+ int width;
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+ int mode;
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+};
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+
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+static int nl80211_get_htmode_cb(struct nl_msg *msg, void *arg)
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+{
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+ struct nlattr **tb = nl80211_parse(msg);
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+ struct nlattr *cur;
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+ struct chan_info *chn = arg;
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+
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+ if ((cur = tb[NL80211_ATTR_CHANNEL_WIDTH]))
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+ chn->width = nla_get_u32(cur);
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+
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+ if ((cur = tb[NL80211_ATTR_BSS_HT_OPMODE]))
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+ chn->mode = nla_get_u32(cur);
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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_htmode(const char *ifname, int *buf)
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+{
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+ struct chan_info chn = { .width = 0, .mode = 0 };
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+ char *res;
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+ int err;
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+
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+ res = nl80211_phy2ifname(ifname);
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+ *buf = 0;
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+
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+ err = nl80211_request(res ? res : ifname,
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+ NL80211_CMD_GET_INTERFACE, 0,
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+ nl80211_get_htmode_cb, &chn);
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+ if (err)
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+ return -1;
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+
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+ switch (chn.width) {
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+ case NL80211_CHAN_WIDTH_20:
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+ if (chn.mode == -1)
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+ *buf = IWINFO_HTMODE_VHT20;
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+ else
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+ *buf = IWINFO_HTMODE_HT20;
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+ break;
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+ case NL80211_CHAN_WIDTH_40:
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+ if (chn.mode == -1)
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+ *buf = IWINFO_HTMODE_VHT40;
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+ else
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+ *buf = IWINFO_HTMODE_HT40;
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+ break;
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+ case NL80211_CHAN_WIDTH_80:
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+ *buf = IWINFO_HTMODE_VHT80;
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+ break;
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+ case NL80211_CHAN_WIDTH_80P80:
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+ *buf = IWINFO_HTMODE_VHT80_80;
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+ break;
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+ case NL80211_CHAN_WIDTH_160:
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+ *buf = IWINFO_HTMODE_VHT160;
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+ break;
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+ case NL80211_CHAN_WIDTH_5:
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+ case NL80211_CHAN_WIDTH_10:
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+ case NL80211_CHAN_WIDTH_20_NOHT:
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+ *buf = IWINFO_HTMODE_NOHT;
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+ break;
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+ default:
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+ return -1;
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+ }
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+
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+ return 0;
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+}
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+
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static int nl80211_get_htmodelist(const char *ifname, int *buf)
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{
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struct nl80211_modes m = { 0 };
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@@ -3147,6 +3216,7 @@ const struct iwinfo_ops nl80211_ops = {
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.mbssid_support = nl80211_get_mbssid_support,
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.hwmodelist = nl80211_get_hwmodelist,
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.htmodelist = nl80211_get_htmodelist,
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+ .htmode = nl80211_get_htmode,
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.mode = nl80211_get_mode,
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.ssid = nl80211_get_ssid,
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.bssid = nl80211_get_bssid,
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