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Subject: nl80211: export HT capabilities
This exports the local HT capabilities in nl80211.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
---
include/linux/nl80211.h | 12 ++++++++++++
net/wireless/nl80211.c | 13 +++++++++++++
2 files changed, 25 insertions(+)
--- everything.orig/include/linux/nl80211.h 2008-10-09 01:31:09.000000000 +0200
+++ everything/include/linux/nl80211.h 2008-10-09 02:11:44.000000000 +0200
@@ -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
--- everything.orig/net/wireless/nl80211.c 2008-10-09 01:32:05.000000000 +0200
+++ everything/net/wireless/nl80211.c 2008-10-09 02:12:21.000000000 +0200
@@ -157,6 +157,19 @@ static int nl80211_send_wiphy(struct sk_
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)
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