mac80211: add p2p device type support

[mirror_ubuntu-zesty-kernel.git] / net / mac80211 / iface.c

diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 95908aaa8a683a1b26541bbfdc69f88fb250a9de..66785739dad378fe5bdd10904d8c59586951d131 100644 (file)
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -188,6 +188,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up)
                break;
        case NL80211_IFTYPE_UNSPECIFIED:
        case NUM_NL80211_IFTYPES:
+       case NL80211_IFTYPE_P2P_CLIENT:
+       case NL80211_IFTYPE_P2P_GO:
                /* cannot happen */
                WARN_ON(1);
                break;
@@ -844,6 +846,7 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
 
        /* and set some type-dependent values */
        sdata->vif.type = type;
+       sdata->vif.p2p = false;
        sdata->dev->netdev_ops = &ieee80211_dataif_ops;
        sdata->wdev.iftype = type;
 
@@ -857,10 +860,20 @@ static void ieee80211_setup_sdata(struct ieee80211_sub_if_data *sdata,
        INIT_WORK(&sdata->work, ieee80211_iface_work);
 
        switch (type) {
+       case NL80211_IFTYPE_P2P_GO:
+               type = NL80211_IFTYPE_AP;
+               sdata->vif.type = type;
+               sdata->vif.p2p = true;
+               /* fall through */
        case NL80211_IFTYPE_AP:
                skb_queue_head_init(&sdata->u.ap.ps_bc_buf);
                INIT_LIST_HEAD(&sdata->u.ap.vlans);
                break;
+       case NL80211_IFTYPE_P2P_CLIENT:
+               type = NL80211_IFTYPE_STATION;
+               sdata->vif.type = type;
+               sdata->vif.p2p = true;
+               /* fall through */
        case NL80211_IFTYPE_STATION:
                ieee80211_sta_setup_sdata(sdata);
                break;
@@ -894,6 +907,8 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
 {
        struct ieee80211_local *local = sdata->local;
        int ret, err;
+       enum nl80211_iftype internal_type = type;
+       bool p2p = false;
 
        ASSERT_RTNL();
 
@@ -926,11 +941,19 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
                 * code isn't prepared to handle).
                 */
                break;
+       case NL80211_IFTYPE_P2P_CLIENT:
+               p2p = true;
+               internal_type = NL80211_IFTYPE_STATION;
+               break;
+       case NL80211_IFTYPE_P2P_GO:
+               p2p = true;
+               internal_type = NL80211_IFTYPE_AP;
+               break;
        default:
                return -EBUSY;
        }
 
-       ret = ieee80211_check_concurrent_iface(sdata, type);
+       ret = ieee80211_check_concurrent_iface(sdata, internal_type);
        if (ret)
                return ret;
 
@@ -938,7 +961,7 @@ static int ieee80211_runtime_change_iftype(struct ieee80211_sub_if_data *sdata,
 
        ieee80211_teardown_sdata(sdata->dev);
 
-       ret = drv_change_interface(local, sdata, type);
+       ret = drv_change_interface(local, sdata, internal_type, p2p);
        if (ret)
                type = sdata->vif.type;
 
@@ -957,7 +980,7 @@ int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata,
 
        ASSERT_RTNL();
 
-       if (type == sdata->vif.type)
+       if (type == ieee80211_vif_type_p2p(&sdata->vif))
                return 0;
 
        /* Setting ad-hoc mode on non-IBSS channel is not supported. */