Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[safe/jmp/linux-2.6] / net / mac80211 / ht.c
index 69b6e9a..3787455 100644 (file)
@@ -14,9 +14,9 @@
  */
 
 #include <linux/ieee80211.h>
-#include <net/wireless.h>
 #include <net/mac80211.h>
 #include "ieee80211_i.h"
+#include "rate.h"
 
 void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
                                       struct ieee80211_ht_cap *ht_cap_ie,
@@ -82,77 +82,6 @@ void ieee80211_ht_cap_ie_to_sta_ht_cap(struct ieee80211_supported_band *sband,
                ht_cap->mcs.rx_mask[32/8] |= 1;
 }
 
-/*
- * ieee80211_enable_ht should be called only after the operating band
- * has been determined as ht configuration depends on the hw's
- * HT abilities for a specific band.
- */
-u32 ieee80211_enable_ht(struct ieee80211_sub_if_data *sdata,
-                       struct ieee80211_ht_info *hti,
-                       u16 ap_ht_cap_flags)
-{
-       struct ieee80211_local *local = sdata->local;
-       struct ieee80211_supported_band *sband;
-       struct ieee80211_bss_ht_conf ht;
-       u32 changed = 0;
-       bool enable_ht = true, ht_changed;
-       enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT;
-
-       sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-       memset(&ht, 0, sizeof(ht));
-
-       /* HT is not supported */
-       if (!sband->ht_cap.ht_supported)
-               enable_ht = false;
-
-       /* check that channel matches the right operating channel */
-       if (local->hw.conf.channel->center_freq !=
-           ieee80211_channel_to_frequency(hti->control_chan))
-               enable_ht = false;
-
-       if (enable_ht) {
-               channel_type = NL80211_CHAN_HT20;
-
-               if (!(ap_ht_cap_flags & IEEE80211_HT_CAP_40MHZ_INTOLERANT) &&
-                   (sband->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) &&
-                   (hti->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY)) {
-                       switch(hti->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) {
-                       case IEEE80211_HT_PARAM_CHA_SEC_ABOVE:
-                               channel_type = NL80211_CHAN_HT40PLUS;
-                               break;
-                       case IEEE80211_HT_PARAM_CHA_SEC_BELOW:
-                               channel_type = NL80211_CHAN_HT40MINUS;
-                               break;
-                       }
-               }
-       }
-
-       ht_changed = conf_is_ht(&local->hw.conf) != enable_ht ||
-                    channel_type != local->hw.conf.channel_type;
-
-       local->oper_channel_type = channel_type;
-
-       if (ht_changed) {
-                /* channel_type change automatically detected */
-               ieee80211_hw_config(local, 0);
-        }
-
-       /* disable HT */
-       if (!enable_ht)
-               return 0;
-
-       ht.operation_mode = le16_to_cpu(hti->operation_mode);
-
-       /* if bss configuration changed store the new one */
-       if (memcmp(&sdata->vif.bss_conf.ht, &ht, sizeof(ht))) {
-               changed |= BSS_CHANGED_HT;
-               sdata->vif.bss_conf.ht = ht;
-       }
-
-       return changed;
-}
-
 void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta)
 {
        int i;
@@ -205,14 +134,13 @@ void ieee80211_send_delba(struct ieee80211_sub_if_data *sdata,
        mgmt->u.action.u.delba.params = cpu_to_le16(params);
        mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);
 
-       ieee80211_tx_skb(sdata, skb, 1);
+       ieee80211_tx_skb(sdata, skb);
 }
 
 void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
                             struct sta_info *sta,
                             struct ieee80211_mgmt *mgmt, size_t len)
 {
-       struct ieee80211_local *local = sdata->local;
        u16 tid, params;
        u16 initiator;
 
@@ -224,7 +152,7 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
        if (net_ratelimit())
                printk(KERN_DEBUG "delba from %pM (%s) tid %d reason code %d\n",
                        mgmt->sa, initiator ? "initiator" : "recipient", tid,
-                       mgmt->u.action.u.delba.reason_code);
+                       le16_to_cpu(mgmt->u.action.u.delba.reason_code));
 #endif /* CONFIG_MAC80211_HT_DEBUG */
 
        if (initiator == WLAN_BACK_INITIATOR)
@@ -232,10 +160,9 @@ void ieee80211_process_delba(struct ieee80211_sub_if_data *sdata,
                                                 WLAN_BACK_INITIATOR, 0);
        else { /* WLAN_BACK_RECIPIENT */
                spin_lock_bh(&sta->lock);
-               sta->ampdu_mlme.tid_state_tx[tid] =
-                               HT_AGG_STATE_OPERATIONAL;
+               if (sta->ampdu_mlme.tid_state_tx[tid] & HT_ADDBA_REQUESTED_MSK)
+                       ___ieee80211_stop_tx_ba_session(sta, tid,
+                                                       WLAN_BACK_RECIPIENT);
                spin_unlock_bh(&sta->lock);
-               ieee80211_stop_tx_ba_session(&local->hw, sta->sta.addr, tid,
-                                            WLAN_BACK_RECIPIENT);
        }
 }