提交 32db6b54 编写于 作者: K Kyeyoon Park 提交者: Johannes Berg

mac80211: Add support for QoS mapping

Implement set_qos_map() handler for mac80211 to enable QoS mapping
functionality.
Signed-off-by: NKyeyoon Park <kyeyoonp@qca.qualcomm.com>
Signed-off-by: NJouni Malinen <jouni@qca.qualcomm.com>
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
上级 fa9ffc74
......@@ -3837,6 +3837,31 @@ static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
}
#endif
static int ieee80211_set_qos_map(struct wiphy *wiphy,
struct net_device *dev,
struct cfg80211_qos_map *qos_map)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct mac80211_qos_map *new_qos_map, *old_qos_map;
if (qos_map) {
new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
if (!new_qos_map)
return -ENOMEM;
memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
} else {
/* A NULL qos_map was passed to disable QoS mapping */
new_qos_map = NULL;
}
old_qos_map = rtnl_dereference(sdata->qos_map);
rcu_assign_pointer(sdata->qos_map, new_qos_map);
if (old_qos_map)
kfree_rcu(old_qos_map, rcu_head);
return 0;
}
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
......@@ -3916,4 +3941,5 @@ struct cfg80211_ops mac80211_config_ops = {
.get_channel = ieee80211_cfg_get_channel,
.start_radar_detection = ieee80211_start_radar_detection,
.channel_switch = ieee80211_channel_switch,
.set_qos_map = ieee80211_set_qos_map,
};
......@@ -694,6 +694,11 @@ struct ieee80211_chanctx {
struct ieee80211_chanctx_conf conf;
};
struct mac80211_qos_map {
struct cfg80211_qos_map qos_map;
struct rcu_head rcu_head;
};
struct ieee80211_sub_if_data {
struct list_head list;
......@@ -739,6 +744,7 @@ struct ieee80211_sub_if_data {
int encrypt_headroom;
struct ieee80211_tx_queue_params tx_conf[IEEE80211_NUM_ACS];
struct mac80211_qos_map __rcu *qos_map;
struct work_struct csa_finalize_work;
int csa_counter_offset_beacon;
......
......@@ -106,6 +106,7 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
struct sta_info *sta = NULL;
const u8 *ra = NULL;
bool qos = false;
struct mac80211_qos_map *qos_map;
if (local->hw.queues < IEEE80211_NUM_ACS || skb->len < 6) {
skb->priority = 0; /* required for correct WPA/11i MIC */
......@@ -155,7 +156,11 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
/* use the data classifier to determine what 802.1d tag the
* data frame has */
skb->priority = cfg80211_classify8021d(skb, NULL);
rcu_read_lock();
qos_map = rcu_dereference(sdata->qos_map);
skb->priority = cfg80211_classify8021d(skb, qos_map ?
&qos_map->qos_map : NULL);
rcu_read_unlock();
return ieee80211_downgrade_queue(sdata, skb);
}
......
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