mac80211: 802.11p OCB mode support

[linux-2.6-block.git] / net / mac80211 / util.c

diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index d7d69c89ff34958f2c6fd93b6f07f65063762ff7..91e16b4d4e3ca1e3d370a2329eab00bcbd068d23 100644 (file)
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1101,6 +1101,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_chanctx_conf *chanctx_conf;
        int ac;
        bool use_11b, enable_qos;
+       bool is_ocb; /* Use another EDCA parameters if dot11OCBActivated=true */
        int aCWmin, aCWmax;
 
        if (!local->ops->conf_tx)
@@ -1125,6 +1126,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
         */
        enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION);
 
+       is_ocb = (sdata->vif.type == NL80211_IFTYPE_OCB);
+
        /* Set defaults according to 802.11-2007 Table 7-37 */
        aCWmax = 1023;
        if (use_11b)
@@ -1146,7 +1149,10 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
                                qparam.cw_max = aCWmax;
                                qparam.cw_min = aCWmin;
                                qparam.txop = 0;
-                               qparam.aifs = 7;
+                               if (is_ocb)
+                                       qparam.aifs = 9;
+                               else
+                                       qparam.aifs = 7;
                                break;
                        /* never happens but let's not leave undefined */
                        default:
@@ -1154,21 +1160,32 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
                                qparam.cw_max = aCWmax;
                                qparam.cw_min = aCWmin;
                                qparam.txop = 0;
-                               qparam.aifs = 3;
+                               if (is_ocb)
+                                       qparam.aifs = 6;
+                               else
+                                       qparam.aifs = 3;
                                break;
                        case IEEE80211_AC_VI:
                                qparam.cw_max = aCWmin;
                                qparam.cw_min = (aCWmin + 1) / 2 - 1;
-                               if (use_11b)
+                               if (is_ocb)
+                                       qparam.txop = 0;
+                               else if (use_11b)
                                        qparam.txop = 6016/32;
                                else
                                        qparam.txop = 3008/32;
-                               qparam.aifs = 2;
+
+                               if (is_ocb)
+                                       qparam.aifs = 3;
+                               else
+                                       qparam.aifs = 2;
                                break;
                        case IEEE80211_AC_VO:
                                qparam.cw_max = (aCWmin + 1) / 2 - 1;
                                qparam.cw_min = (aCWmin + 1) / 4 - 1;
-                               if (use_11b)
+                               if (is_ocb)
+                                       qparam.txop = 0;
+                               else if (use_11b)
                                        qparam.txop = 3264/32;
                                else
                                        qparam.txop = 1504/32;
@@ -1842,7 +1859,8 @@ int ieee80211_reconfig(struct ieee80211_local *local)
                        sdata_unlock(sdata);
                        break;
                case NL80211_IFTYPE_OCB:
-                       /* to be implemented in the future */
+                       changed |= BSS_CHANGED_OCB;
+                       ieee80211_bss_info_change_notify(sdata, changed);
                        break;
                case NL80211_IFTYPE_ADHOC:
                        changed |= BSS_CHANGED_IBSS;