iw: handle NL80211_ATTR_EXT_FEATURES attribute
Print if VHT-IBSS is supported.
Signed-off-by: Janusz Dziedzic <janusz.dziedzic@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/info.c b/info.c
index 66887e3..91dff15 100644
--- a/info.c
+++ b/info.c
@@ -63,6 +63,18 @@
}
}
+static int ext_feature_isset(const unsigned char *ext_features, int ext_features_len,
+ enum nl80211_ext_feature_index ftidx)
+{
+ unsigned char ft_byte;
+
+ if ((int) ftidx / 8 >= ext_features_len)
+ return 0;
+
+ ft_byte = ext_features[ftidx / 8];
+ return (ft_byte & BIT(ftidx % 8)) != 0;
+}
+
static int print_phy_handler(struct nl_msg *msg, void *arg)
{
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
@@ -601,6 +613,14 @@
printf("\tDevice supports TDLS channel switching\n");
}
+ if (tb_msg[NL80211_ATTR_EXT_FEATURES]) {
+ struct nlattr *tb = tb_msg[NL80211_ATTR_EXT_FEATURES];
+
+ if (ext_feature_isset(nla_data(tb), nla_len(tb),
+ NL80211_EXT_FEATURE_VHT_IBSS))
+ printf("\tDevice supports VHT-IBSS.\n");
+ }
+
if (tb_msg[NL80211_ATTR_TDLS_SUPPORT])
printf("\tDevice supports T-DLS.\n");
