Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6

3 files changed, 32 insertions, 3 deletions

diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 3787455fb696..d7dcee680728 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -34,9 +34,28 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
 
         ht_cap->ht_supported = true;
 
-        ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info) & sband->ht_cap.cap;
-        ht_cap->cap &= ~IEEE80211_HT_CAP_SM_PS;
-        ht_cap->cap |= sband->ht_cap.cap & IEEE80211_HT_CAP_SM_PS;
+        /*
+         * The bits listed in this expression should be
+         * the same for the peer and us, if the station
+         * advertises more then we can't use those thus
+         * we mask them out.
+         */
+        ht_cap->cap = le16_to_cpu(ht_cap_ie->cap_info) &
+                (sband->ht_cap.cap |
+                 ~(IEEE80211_HT_CAP_LDPC_CODING |
+                   IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
+                   IEEE80211_HT_CAP_GRN_FLD |
+                   IEEE80211_HT_CAP_SGI_20 |
+                   IEEE80211_HT_CAP_SGI_40 |
+                   IEEE80211_HT_CAP_DSSSCCK40));
+        /*
+         * The STBC bits are asymmetric -- if we don't have
+         * TX then mask out the peer's RX and vice versa.
+         */
+        if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_TX_STBC))
+                ht_cap->cap &= ~IEEE80211_HT_CAP_RX_STBC;
+        if (!(sband->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC))
+                ht_cap->cap &= ~IEEE80211_HT_CAP_TX_STBC;
 
         ampdu_info = ht_cap_ie->ampdu_params_info;
         ht_cap->ampdu_factor =
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 8116d1a96a4a..0d2d94881f1f 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -515,6 +515,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw)
          * and we need some headroom for passing the frame to monitor
          * interfaces, but never both at the same time.
          */
+        BUILD_BUG_ON(IEEE80211_TX_STATUS_HEADROOM !=
+                        sizeof(struct ieee80211_tx_status_rtap_hdr));
         local->tx_headroom = max_t(unsigned int , local->hw.extra_tx_headroom,
                                    sizeof(struct ieee80211_tx_status_rtap_hdr));
 
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index d8d50fb5e823..c79e59f82fd9 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -915,6 +915,14 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata,
         sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL |
                                 IEEE80211_STA_BEACON_POLL);
 
+        /*
+         * Always handle WMM once after association regardless
+         * of the first value the AP uses. Setting -1 here has
+         * that effect because the AP values is an unsigned
+         * 4-bit value.
+         */
+        sdata->u.mgd.wmm_last_param_set = -1;
+
         ieee80211_led_assoc(local, 1);
 
         sdata->vif.bss_conf.assoc = 1;