nl80211: enable HT overrides for ibss

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Mathias Kretschmer <mathias.kretschmer@fokus.fraunhofer.de>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 207b079..79c2277 100644 (file)
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1592,6 +1592,9 @@ struct cfg80211_disassoc_request {
  *     user space. Otherwise, port is marked authorized by default.
  * @basic_rates: bitmap of basic rates to use when creating the IBSS
  * @mcast_rate: per-band multicast rate index + 1 (0: disabled)
+ * @ht_capa:  HT Capabilities over-rides.  Values set in ht_capa_mask
+ *   will be used in ht_capa.  Un-supported values will be ignored.
+ * @ht_capa_mask:  The bits of ht_capa which are to be used.
  */
 struct cfg80211_ibss_params {
        u8 *ssid;
@@ -1605,6 +1608,8 @@ struct cfg80211_ibss_params {
        bool privacy;
        bool control_port;
        int mcast_rate[IEEE80211_NUM_BANDS];
+       struct ieee80211_ht_cap ht_capa;
+       struct ieee80211_ht_cap ht_capa_mask;
 };
 
 /**

diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index a044762..0492478 100644 (file)
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -6346,6 +6346,19 @@ static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info)
                        return err;
        }
 
+       if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+               memcpy(&ibss.ht_capa_mask,
+                      nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]),
+                      sizeof(ibss.ht_capa_mask));
+
+       if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) {
+               if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK])
+                       return -EINVAL;
+               memcpy(&ibss.ht_capa,
+                      nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]),
+                      sizeof(ibss.ht_capa));
+       }
+
        if (info->attrs[NL80211_ATTR_MCAST_RATE] &&
            !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate,
                        nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE])))