Merge branch 'linus' into perfcounters/core-v2

Merge reason: we have gathered quite a few conflicts, need to merge upstream

Conflicts:
	arch/powerpc/kernel/Makefile
	arch/x86/ia32/ia32entry.S
	arch/x86/include/asm/hardirq.h
	arch/x86/include/asm/unistd_32.h
	arch/x86/include/asm/unistd_64.h
	arch/x86/kernel/cpu/common.c
	arch/x86/kernel/irq.c
	arch/x86/kernel/syscall_table_32.S
	arch/x86/mm/iomap_32.c
	include/linux/sched.h
	kernel/Makefile

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 195 insertions, 42 deletions

diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 9d4e4d846ec1..e677b751d468 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -133,6 +133,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
         case WLAN_CIPHER_SUITE_CCMP:
                 alg = ALG_CCMP;
                 break;
+        case WLAN_CIPHER_SUITE_AES_CMAC:
+                alg = ALG_AES_CMAC;
+                break;
         default:
                 return -EINVAL;
         }
@@ -275,6 +278,17 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
                 else
                         params.cipher = WLAN_CIPHER_SUITE_WEP104;
                 break;
+        case ALG_AES_CMAC:
+                params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
+                seq[0] = key->u.aes_cmac.tx_pn[5];
+                seq[1] = key->u.aes_cmac.tx_pn[4];
+                seq[2] = key->u.aes_cmac.tx_pn[3];
+                seq[3] = key->u.aes_cmac.tx_pn[2];
+                seq[4] = key->u.aes_cmac.tx_pn[1];
+                seq[5] = key->u.aes_cmac.tx_pn[0];
+                params.seq = seq;
+                params.seq_len = 6;
+                break;
         }
 
         params.key = key->conf.key;
@@ -304,6 +318,22 @@ static int ieee80211_config_default_key(struct wiphy *wiphy,
         return 0;
 }
 
+static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
+                                             struct net_device *dev,
+                                             u8 key_idx)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+        rcu_read_lock();
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+        ieee80211_set_default_mgmt_key(sdata, key_idx);
+
+        rcu_read_unlock();
+
+        return 0;
+}
+
 static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
 {
         struct ieee80211_sub_if_data *sdata = sta->sdata;
@@ -311,11 +341,15 @@ static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
         sinfo->filled = STATION_INFO_INACTIVE_TIME |
                         STATION_INFO_RX_BYTES |
                         STATION_INFO_TX_BYTES |
+                        STATION_INFO_RX_PACKETS |
+                        STATION_INFO_TX_PACKETS |
                         STATION_INFO_TX_BITRATE;
 
         sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
         sinfo->rx_bytes = sta->rx_bytes;
         sinfo->tx_bytes = sta->tx_bytes;
+        sinfo->rx_packets = sta->rx_packets;
+        sinfo->tx_packets = sta->tx_packets;
 
         if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
                 sinfo->filled |= STATION_INFO_SIGNAL;
@@ -417,7 +451,8 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
          * This is a kludge. beacon interval should really be part
          * of the beacon information.
          */
-        if (params->interval) {
+        if (params->interval && (sdata->local->hw.conf.beacon_int !=
+                                 params->interval)) {
                 sdata->local->hw.conf.beacon_int = params->interval;
                 err = ieee80211_hw_config(sdata->local,
                                         IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
@@ -493,7 +528,8 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
 
         kfree(old);
 
-        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
+                                          IEEE80211_IFCC_BEACON_ENABLED);
 }
 
 static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
@@ -504,9 +540,6 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_AP)
-                return -EINVAL;
-
         old = sdata->u.ap.beacon;
 
         if (old)
@@ -523,9 +556,6 @@ static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_AP)
-                return -EINVAL;
-
         old = sdata->u.ap.beacon;
 
         if (!old)
@@ -541,9 +571,6 @@ static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_AP)
-                return -EINVAL;
-
         old = sdata->u.ap.beacon;
 
         if (!old)
@@ -553,7 +580,7 @@ static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
         synchronize_rcu();
         kfree(old);
 
-        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON);
+        return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
 }
 
 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
@@ -630,6 +657,10 @@ static void sta_apply_parameters(struct ieee80211_local *local,
                 sta->flags &= ~WLAN_STA_WME;
                 if (params->station_flags & STATION_FLAG_WME)
                         sta->flags |= WLAN_STA_WME;
+
+                sta->flags &= ~WLAN_STA_MFP;
+                if (params->station_flags & STATION_FLAG_MFP)
+                        sta->flags |= WLAN_STA_MFP;
                 spin_unlock_bh(&sta->lock);
         }
 
@@ -688,10 +719,6 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
         int err;
         int layer2_update;
 
-        /* Prevent a race with changing the rate control algorithm */
-        if (!netif_running(dev))
-                return -ENETDOWN;
-
         if (params->vlan) {
                 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
 
@@ -820,14 +847,8 @@ static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
         struct sta_info *sta;
         int err;
 
-        if (!netif_running(dev))
-                return -ENETDOWN;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
-
         rcu_read_lock();
         sta = sta_info_get(local, next_hop);
         if (!sta) {
@@ -873,14 +894,8 @@ static int ieee80211_change_mpath(struct wiphy *wiphy,
         struct mesh_path *mpath;
         struct sta_info *sta;
 
-        if (!netif_running(dev))
-                return -ENETDOWN;
-
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
-
         rcu_read_lock();
 
         sta = sta_info_get(local, next_hop);
@@ -949,9 +964,6 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
-
         rcu_read_lock();
         mpath = mesh_path_lookup(dst, sdata);
         if (!mpath) {
@@ -973,9 +985,6 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
-
         rcu_read_lock();
         mpath = mesh_path_lookup_by_idx(idx, sdata);
         if (!mpath) {
@@ -995,8 +1004,6 @@ static int ieee80211_get_mesh_params(struct wiphy *wiphy,
         struct ieee80211_sub_if_data *sdata;
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
         memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
         return 0;
 }
@@ -1014,9 +1021,6 @@ static int ieee80211_set_mesh_params(struct wiphy *wiphy,
         struct ieee80211_sub_if_data *sdata;
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
-                return -ENOTSUPP;
-
         /* Set the config options which we are interested in setting */
         conf = &(sdata->u.mesh.mshcfg);
         if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
@@ -1064,9 +1068,6 @@ static int ieee80211_change_bss(struct wiphy *wiphy,
 
         sdata = IEEE80211_DEV_TO_SUB_IF(dev);
 
-        if (sdata->vif.type != NL80211_IFTYPE_AP)
-                return -EINVAL;
-
         if (params->use_cts_prot >= 0) {
                 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
                 changed |= BSS_CHANGED_ERP_CTS_PROT;
@@ -1141,6 +1142,150 @@ static int ieee80211_set_channel(struct wiphy *wiphy,
         return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
 }
 
+#ifdef CONFIG_PM
+static int ieee80211_suspend(struct wiphy *wiphy)
+{
+        return __ieee80211_suspend(wiphy_priv(wiphy));
+}
+
+static int ieee80211_resume(struct wiphy *wiphy)
+{
+        return __ieee80211_resume(wiphy_priv(wiphy));
+}
+#else
+#define ieee80211_suspend NULL
+#define ieee80211_resume NULL
+#endif
+
+static int ieee80211_scan(struct wiphy *wiphy,
+                          struct net_device *dev,
+                          struct cfg80211_scan_request *req)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        if (sdata->vif.type != NL80211_IFTYPE_STATION &&
+            sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+            sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
+                return -EOPNOTSUPP;
+
+        return ieee80211_request_scan(sdata, req);
+}
+
+static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
+                          struct cfg80211_auth_request *req)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        switch (req->auth_type) {
+        case NL80211_AUTHTYPE_OPEN_SYSTEM:
+                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_OPEN;
+                break;
+        case NL80211_AUTHTYPE_SHARED_KEY:
+                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_SHARED_KEY;
+                break;
+        case NL80211_AUTHTYPE_FT:
+                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_FT;
+                break;
+        case NL80211_AUTHTYPE_NETWORK_EAP:
+                sdata->u.mgd.auth_algs = IEEE80211_AUTH_ALG_LEAP;
+                break;
+        default:
+                return -EOPNOTSUPP;
+        }
+
+        memcpy(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN);
+        sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+        sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
+
+        /* TODO: req->chan */
+        sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
+
+        if (req->ssid) {
+                sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
+                memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
+                sdata->u.mgd.ssid_len = req->ssid_len;
+                sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
+        }
+
+        kfree(sdata->u.mgd.sme_auth_ie);
+        sdata->u.mgd.sme_auth_ie = NULL;
+        sdata->u.mgd.sme_auth_ie_len = 0;
+        if (req->ie) {
+                sdata->u.mgd.sme_auth_ie = kmalloc(req->ie_len, GFP_KERNEL);
+                if (sdata->u.mgd.sme_auth_ie == NULL)
+                        return -ENOMEM;
+                memcpy(sdata->u.mgd.sme_auth_ie, req->ie, req->ie_len);
+                sdata->u.mgd.sme_auth_ie_len = req->ie_len;
+        }
+
+        sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
+        sdata->u.mgd.state = IEEE80211_STA_MLME_DIRECT_PROBE;
+        ieee80211_sta_req_auth(sdata);
+        return 0;
+}
+
+static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
+                           struct cfg80211_assoc_request *req)
+{
+        struct ieee80211_sub_if_data *sdata;
+        int ret;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        if (memcmp(sdata->u.mgd.bssid, req->peer_addr, ETH_ALEN) != 0 ||
+            !(sdata->u.mgd.flags & IEEE80211_STA_AUTHENTICATED))
+                return -ENOLINK; /* not authenticated */
+
+        sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_BSSID_SEL;
+        sdata->u.mgd.flags |= IEEE80211_STA_BSSID_SET;
+
+        /* TODO: req->chan */
+        sdata->u.mgd.flags |= IEEE80211_STA_AUTO_CHANNEL_SEL;
+
+        if (req->ssid) {
+                sdata->u.mgd.flags |= IEEE80211_STA_SSID_SET;
+                memcpy(sdata->u.mgd.ssid, req->ssid, req->ssid_len);
+                sdata->u.mgd.ssid_len = req->ssid_len;
+                sdata->u.mgd.flags &= ~IEEE80211_STA_AUTO_SSID_SEL;
+        } else
+                sdata->u.mgd.flags |= IEEE80211_STA_AUTO_SSID_SEL;
+
+        ret = ieee80211_sta_set_extra_ie(sdata, req->ie, req->ie_len);
+        if (ret)
+                return ret;
+
+        sdata->u.mgd.flags |= IEEE80211_STA_EXT_SME;
+        sdata->u.mgd.state = IEEE80211_STA_MLME_ASSOCIATE;
+        ieee80211_sta_req_auth(sdata);
+        return 0;
+}
+
+static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
+                            struct cfg80211_deauth_request *req)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        /* TODO: req->ie */
+        return ieee80211_sta_deauthenticate(sdata, req->reason_code);
+}
+
+static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
+                              struct cfg80211_disassoc_request *req)
+{
+        struct ieee80211_sub_if_data *sdata;
+
+        sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+
+        /* TODO: req->ie */
+        return ieee80211_sta_disassociate(sdata, req->reason_code);
+}
+
 struct cfg80211_ops mac80211_config_ops = {
         .add_virtual_intf = ieee80211_add_iface,
         .del_virtual_intf = ieee80211_del_iface,
@@ -1149,6 +1294,7 @@ struct cfg80211_ops mac80211_config_ops = {
         .del_key = ieee80211_del_key,
         .get_key = ieee80211_get_key,
         .set_default_key = ieee80211_config_default_key,
+        .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
         .add_beacon = ieee80211_add_beacon,
         .set_beacon = ieee80211_set_beacon,
         .del_beacon = ieee80211_del_beacon,
@@ -1169,4 +1315,11 @@ struct cfg80211_ops mac80211_config_ops = {
         .change_bss = ieee80211_change_bss,
         .set_txq_params = ieee80211_set_txq_params,
         .set_channel = ieee80211_set_channel,
+        .suspend = ieee80211_suspend,
+        .resume = ieee80211_resume,
+        .scan = ieee80211_scan,
+        .auth = ieee80211_auth,
+        .assoc = ieee80211_assoc,
+        .deauth = ieee80211_deauth,
+        .disassoc = ieee80211_disassoc,
 };