iw: Support ht-capability overrides mask.
Let user know which capabilities are supported.
diff --git a/info.c b/info.c
index b55b282..9f08561 100644
--- a/info.c
+++ b/info.c
@@ -400,6 +400,35 @@
if (tb_msg[NL80211_ATTR_SUPPORT_AP_UAPSD])
printf("\tDevice supports AP-side u-APSD.\n");
+ if (tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) {
+ struct ieee80211_ht_cap *cm;
+ printf("\tHT Capability overrides:\n");
+ if (nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]) >= sizeof(*cm)) {
+ cm = nla_data(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK]);
+ printf("\t\t * MCS: %02hhx %02hhx %02hhx %02hhx %02hhx %02hhx"
+ " %02hhx %02hhx %02hhx %02hhx\n",
+ cm->mcs.rx_mask[0], cm->mcs.rx_mask[1],
+ cm->mcs.rx_mask[2], cm->mcs.rx_mask[3],
+ cm->mcs.rx_mask[4], cm->mcs.rx_mask[5],
+ cm->mcs.rx_mask[6], cm->mcs.rx_mask[7],
+ cm->mcs.rx_mask[8], cm->mcs.rx_mask[9]);
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_MAX_AMSDU))
+ printf("\t\t * maximum A-MSDU length\n");
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_SUP_WIDTH_20_40))
+ printf("\t\t * supported channel width\n");
+ if (cm->cap_info & htole16(IEEE80211_HT_CAP_SGI_40))
+ printf("\t\t * short GI for 40 MHz\n");
+ if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR)
+ printf("\t\t * max A-MPDU length exponent\n");
+ if (cm->ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY)
+ printf("\t\t * min MPDU start spacing\n");
+ } else {
+ printf("\tERROR: capabilities mask is too short, expected: %d, received: %d\n",
+ (int)(sizeof(*cm)),
+ (int)(nla_len(tb_msg[NL80211_ATTR_HT_CAPABILITY_MASK])));
+ }
+ }
+
return NL_SKIP;
}