diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 9bad65400fba76cad80e742b3784adbd4ca50637..41720d47d618cfcb1fc75f844c042bc3cba1988f 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -452,17 +452,29 @@ enum nl80211_mpath_info { * an array of nested frequency attributes * @NL80211_BAND_ATTR_RATES: supported bitrates in this band, * an array of nested bitrate attributes + * @NL80211_BAND_ATTR_HT_MCS_SET: 16-byte attribute containing the MCS set as + * defined in 802.11n + * @NL80211_BAND_ATTR_HT_CAPA: HT capabilities, as in the HT information IE + * @NL80211_BAND_ATTR_HT_AMPDU_FACTOR: A-MPDU factor, as in 11n + * @NL80211_BAND_ATTR_HT_AMPDU_DENSITY: A-MPDU density, as in 11n */ enum nl80211_band_attr { __NL80211_BAND_ATTR_INVALID, NL80211_BAND_ATTR_FREQS, NL80211_BAND_ATTR_RATES, + NL80211_BAND_ATTR_HT_MCS_SET, + NL80211_BAND_ATTR_HT_CAPA, + NL80211_BAND_ATTR_HT_AMPDU_FACTOR, + NL80211_BAND_ATTR_HT_AMPDU_DENSITY, + /* keep last */ __NL80211_BAND_ATTR_AFTER_LAST, NL80211_BAND_ATTR_MAX = __NL80211_BAND_ATTR_AFTER_LAST - 1 }; +#define NL80211_BAND_ATTR_HT_CAPA NL80211_BAND_ATTR_HT_CAPA + /** * enum nl80211_frequency_attr - frequency attributes * @NL80211_FREQUENCY_ATTR_FREQ: Frequency in MHz diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 572793c8c7ab6b576dae03753b69503ee05f04cf..4d12e885170e79f4d67ed9782c34b6b7d27f7b40 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -157,6 +157,19 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (!nl_band) goto nla_put_failure; + /* add HT info */ + if (dev->wiphy.bands[band]->ht_cap.ht_supported) { + NLA_PUT(msg, NL80211_BAND_ATTR_HT_MCS_SET, + sizeof(dev->wiphy.bands[band]->ht_cap.mcs), + &dev->wiphy.bands[band]->ht_cap.mcs); + NLA_PUT_U16(msg, NL80211_BAND_ATTR_HT_CAPA, + dev->wiphy.bands[band]->ht_cap.cap); + NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, + dev->wiphy.bands[band]->ht_cap.ampdu_factor); + NLA_PUT_U8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, + dev->wiphy.bands[band]->ht_cap.ampdu_density); + } + /* add frequencies */ nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS); if (!nl_freqs)