mac80211: refuse TX queue configuration on non-QoS HW
Drivers that don't support QoS also don't support setting up their ACs, catch that early. While at it, remove the input check since cfg80211 does it now. Also fix up the restart code to not try to set up the queues in this case. Finally also change the tx_conf array to have IEEE80211_NUM_ACS entries instead of # of queues since that's what it really needs. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -1437,6 +1437,9 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
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if (!local->ops->conf_tx)
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return -EOPNOTSUPP;
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if (local->hw.queues < IEEE80211_NUM_ACS)
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return -EOPNOTSUPP;
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memset(&p, 0, sizeof(p));
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p.aifs = params->aifs;
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p.cw_max = params->cwmax;
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@ -1449,9 +1452,6 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy,
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*/
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p.uapsd = false;
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if (params->ac >= local->hw.queues)
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return -EINVAL;
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sdata->tx_conf[params->ac] = p;
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if (drv_conf_tx(local, sdata, params->ac, &p)) {
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wiphy_debug(local->hw.wiphy,
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@ -687,7 +687,7 @@ struct ieee80211_sub_if_data {
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__be16 control_port_protocol;
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bool control_port_no_encrypt;
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struct ieee80211_tx_queue_params tx_conf[IEEE80211_MAX_QUEUES];
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struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
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struct work_struct work;
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struct sk_buff_head skb_queue;
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@ -769,19 +769,22 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
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{
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struct ieee80211_local *local = sdata->local;
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struct ieee80211_tx_queue_params qparam;
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int queue;
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int ac;
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bool use_11b;
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int aCWmin, aCWmax;
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if (!local->ops->conf_tx)
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return;
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if (local->hw.queues < IEEE80211_NUM_ACS)
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return;
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memset(&qparam, 0, sizeof(qparam));
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use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) &&
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!(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE);
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for (queue = 0; queue < local->hw.queues; queue++) {
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for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
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/* Set defaults according to 802.11-2007 Table 7-37 */
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aCWmax = 1023;
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if (use_11b)
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@ -789,7 +792,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
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else
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aCWmin = 15;
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switch (queue) {
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switch (ac) {
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case IEEE80211_AC_BK:
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qparam.cw_max = aCWmax;
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qparam.cw_min = aCWmin;
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@ -825,8 +828,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata,
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qparam.uapsd = false;
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sdata->tx_conf[queue] = qparam;
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drv_conf_tx(local, sdata, queue, &qparam);
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sdata->tx_conf[ac] = qparam;
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drv_conf_tx(local, sdata, ac, &qparam);
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}
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/* after reinitialize QoS TX queues setting to default,
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@ -1226,14 +1229,17 @@ int ieee80211_reconfig(struct ieee80211_local *local)
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mutex_unlock(&local->sta_mtx);
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/* reconfigure tx conf */
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list_for_each_entry(sdata, &local->interfaces, list) {
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if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
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sdata->vif.type == NL80211_IFTYPE_MONITOR ||
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!ieee80211_sdata_running(sdata))
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continue;
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if (hw->queues >= IEEE80211_NUM_ACS) {
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list_for_each_entry(sdata, &local->interfaces, list) {
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if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
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sdata->vif.type == NL80211_IFTYPE_MONITOR ||
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!ieee80211_sdata_running(sdata))
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continue;
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for (i = 0; i < hw->queues; i++)
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drv_conf_tx(local, sdata, i, &sdata->tx_conf[i]);
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for (i = 0; i < IEEE80211_NUM_ACS; i++)
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drv_conf_tx(local, sdata, i,
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&sdata->tx_conf[i]);
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}
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}
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/* reconfigure hardware */
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