Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master

1 files changed, 247 insertions, 37 deletions

diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 38cfd79e0590..7cd5f56662fc 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/list.h>
+#include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <net/dst.h>
 #include <net/xfrm.h>
@@ -32,6 +33,10 @@ static int radios = 2;
 module_param(radios, int, 0444);
 MODULE_PARM_DESC(radios, "Number of simulated radios");
 
+static bool fake_hw_scan;
+module_param(fake_hw_scan, bool, 0444);
+MODULE_PARM_DESC(fake_hw_scan, "Install fake (no-op) hw-scan handler");
+
 /**
  * enum hwsim_regtest - the type of regulatory tests we offer
  *
@@ -281,10 +286,12 @@ struct mac80211_hwsim_data {
         struct ieee80211_channel channels_5ghz[ARRAY_SIZE(hwsim_channels_5ghz)];
         struct ieee80211_rate rates[ARRAY_SIZE(hwsim_rates)];
 
+        struct mac_address addresses[2];
+
         struct ieee80211_channel *channel;
         unsigned long beacon_int; /* in jiffies unit */
         unsigned int rx_filter;
-        int started;
+        bool started, idle;
         struct timer_list beacon_timer;
         enum ps_mode {
                 PS_DISABLED, PS_ENABLED, PS_AUTO_POLL, PS_MANUAL_POLL
@@ -365,6 +372,49 @@ static void mac80211_hwsim_monitor_rx(struct ieee80211_hw *hw,
 }
 
 
+static void mac80211_hwsim_monitor_ack(struct ieee80211_hw *hw, const u8 *addr)
+{
+        struct mac80211_hwsim_data *data = hw->priv;
+        struct sk_buff *skb;
+        struct hwsim_radiotap_hdr *hdr;
+        u16 flags;
+        struct ieee80211_hdr *hdr11;
+
+        if (!netif_running(hwsim_mon))
+                return;
+
+        skb = dev_alloc_skb(100);
+        if (skb == NULL)
+                return;
+
+        hdr = (struct hwsim_radiotap_hdr *) skb_put(skb, sizeof(*hdr));
+        hdr->hdr.it_version = PKTHDR_RADIOTAP_VERSION;
+        hdr->hdr.it_pad = 0;
+        hdr->hdr.it_len = cpu_to_le16(sizeof(*hdr));
+        hdr->hdr.it_present = cpu_to_le32((1 << IEEE80211_RADIOTAP_FLAGS) |
+                                          (1 << IEEE80211_RADIOTAP_CHANNEL));
+        hdr->rt_flags = 0;
+        hdr->rt_rate = 0;
+        hdr->rt_channel = cpu_to_le16(data->channel->center_freq);
+        flags = IEEE80211_CHAN_2GHZ;
+        hdr->rt_chbitmask = cpu_to_le16(flags);
+
+        hdr11 = (struct ieee80211_hdr *) skb_put(skb, 10);
+        hdr11->frame_control = cpu_to_le16(IEEE80211_FTYPE_CTL |
+                                           IEEE80211_STYPE_ACK);
+        hdr11->duration_id = cpu_to_le16(0);
+        memcpy(hdr11->addr1, addr, ETH_ALEN);
+
+        skb->dev = hwsim_mon;
+        skb_set_mac_header(skb, 0);
+        skb->ip_summed = CHECKSUM_UNNECESSARY;
+        skb->pkt_type = PACKET_OTHERHOST;
+        skb->protocol = htons(ETH_P_802_2);
+        memset(skb->cb, 0, sizeof(skb->cb));
+        netif_rx(skb);
+}
+
+
 static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
                            struct sk_buff *skb)
 {
@@ -393,6 +443,38 @@ static bool hwsim_ps_rx_ok(struct mac80211_hwsim_data *data,
 }
 
 
+struct mac80211_hwsim_addr_match_data {
+        bool ret;
+        const u8 *addr;
+};
+
+static void mac80211_hwsim_addr_iter(void *data, u8 *mac,
+                                     struct ieee80211_vif *vif)
+{
+        struct mac80211_hwsim_addr_match_data *md = data;
+        if (memcmp(mac, md->addr, ETH_ALEN) == 0)
+                md->ret = true;
+}
+
+
+static bool mac80211_hwsim_addr_match(struct mac80211_hwsim_data *data,
+                                      const u8 *addr)
+{
+        struct mac80211_hwsim_addr_match_data md;
+
+        if (memcmp(addr, data->hw->wiphy->perm_addr, ETH_ALEN) == 0)
+                return true;
+
+        md.ret = false;
+        md.addr = addr;
+        ieee80211_iterate_active_interfaces_atomic(data->hw,
+                                                   mac80211_hwsim_addr_iter,
+                                                   &md);
+
+        return md.ret;
+}
+
+
 static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
                                     struct sk_buff *skb)
 {
@@ -402,6 +484,12 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
         struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
         struct ieee80211_rx_status rx_status;
 
+        if (data->idle) {
+                printk(KERN_DEBUG "%s: Trying to TX when idle - reject\n",
+                       wiphy_name(hw->wiphy));
+                return false;
+        }
+
         memset(&rx_status, 0, sizeof(rx_status));
         /* TODO: set mactime */
         rx_status.freq = data->channel->center_freq;
@@ -428,7 +516,8 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
                 if (data == data2)
                         continue;
 
-                if (!data2->started || !hwsim_ps_rx_ok(data2, skb) ||
+                if (data2->idle || !data2->started ||
+                    !hwsim_ps_rx_ok(data2, skb) ||
                     !data->channel || !data2->channel ||
                     data->channel->center_freq != data2->channel->center_freq ||
                     !(data->group & data2->group))
@@ -438,8 +527,7 @@ static bool mac80211_hwsim_tx_frame(struct ieee80211_hw *hw,
                 if (nskb == NULL)
                         continue;
 
-                if (memcmp(hdr->addr1, data2->hw->wiphy->perm_addr,
-                           ETH_ALEN) == 0)
+                if (mac80211_hwsim_addr_match(data2, hdr->addr1))
                         ack = true;
                 memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
                 ieee80211_rx_irqsafe(data2->hw, nskb);
@@ -464,6 +552,10 @@ static int mac80211_hwsim_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
         }
 
         ack = mac80211_hwsim_tx_frame(hw, skb);
+        if (ack && skb->len >= 16) {
+                struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
+                mac80211_hwsim_monitor_ack(hw, hdr->addr2);
+        }
 
         txi = IEEE80211_SKB_CB(skb);
 
@@ -499,24 +591,24 @@ static void mac80211_hwsim_stop(struct ieee80211_hw *hw)
 
 
 static int mac80211_hwsim_add_interface(struct ieee80211_hw *hw,
-                                        struct ieee80211_if_init_conf *conf)
+                                        struct ieee80211_vif *vif)
 {
         printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
-               wiphy_name(hw->wiphy), __func__, conf->type,
-               conf->mac_addr);
-        hwsim_set_magic(conf->vif);
+               wiphy_name(hw->wiphy), __func__, vif->type,
+               vif->addr);
+        hwsim_set_magic(vif);
         return 0;
 }
 
 
 static void mac80211_hwsim_remove_interface(
-        struct ieee80211_hw *hw, struct ieee80211_if_init_conf *conf)
+        struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
         printk(KERN_DEBUG "%s:%s (type=%d mac_addr=%pM)\n",
-               wiphy_name(hw->wiphy), __func__, conf->type,
-               conf->mac_addr);
-        hwsim_check_magic(conf->vif);
-        hwsim_clear_magic(conf->vif);
+               wiphy_name(hw->wiphy), __func__, vif->type,
+               vif->addr);
+        hwsim_check_magic(vif);
+        hwsim_clear_magic(vif);
 }
 
 
@@ -564,12 +656,28 @@ static int mac80211_hwsim_config(struct ieee80211_hw *hw, u32 changed)
 {
         struct mac80211_hwsim_data *data = hw->priv;
         struct ieee80211_conf *conf = &hw->conf;
-
-        printk(KERN_DEBUG "%s:%s (freq=%d idle=%d ps=%d)\n",
+        static const char *chantypes[4] = {
+                [NL80211_CHAN_NO_HT] = "noht",
+                [NL80211_CHAN_HT20] = "ht20",
+                [NL80211_CHAN_HT40MINUS] = "ht40-",
+                [NL80211_CHAN_HT40PLUS] = "ht40+",
+        };
+        static const char *smps_modes[IEEE80211_SMPS_NUM_MODES] = {
+                [IEEE80211_SMPS_AUTOMATIC] = "auto",
+                [IEEE80211_SMPS_OFF] = "off",
+                [IEEE80211_SMPS_STATIC] = "static",
+                [IEEE80211_SMPS_DYNAMIC] = "dynamic",
+        };
+
+        printk(KERN_DEBUG "%s:%s (freq=%d/%s idle=%d ps=%d smps=%s)\n",
                wiphy_name(hw->wiphy), __func__,
                conf->channel->center_freq,
+               chantypes[conf->channel_type],
                !!(conf->flags & IEEE80211_CONF_IDLE),
-               !!(conf->flags & IEEE80211_CONF_PS));
+               !!(conf->flags & IEEE80211_CONF_PS),
+               smps_modes[conf->smps_mode]);
+
+        data->idle = !!(conf->flags & IEEE80211_CONF_IDLE);
 
         data->channel = conf->channel;
         if (!data->started || !data->beacon_int)
@@ -664,23 +772,41 @@ static void mac80211_hwsim_bss_info_changed(struct ieee80211_hw *hw,
         }
 }
 
+static int mac80211_hwsim_sta_add(struct ieee80211_hw *hw,
+                                  struct ieee80211_vif *vif,
+                                  struct ieee80211_sta *sta)
+{
+        hwsim_check_magic(vif);
+        hwsim_set_sta_magic(sta);
+
+        return 0;
+}
+
+static int mac80211_hwsim_sta_remove(struct ieee80211_hw *hw,
+                                     struct ieee80211_vif *vif,
+                                     struct ieee80211_sta *sta)
+{
+        hwsim_check_magic(vif);
+        hwsim_clear_sta_magic(sta);
+
+        return 0;
+}
+
 static void mac80211_hwsim_sta_notify(struct ieee80211_hw *hw,
                                       struct ieee80211_vif *vif,
                                       enum sta_notify_cmd cmd,
                                       struct ieee80211_sta *sta)
 {
         hwsim_check_magic(vif);
+
         switch (cmd) {
-        case STA_NOTIFY_ADD:
-                hwsim_set_sta_magic(sta);
-                break;
-        case STA_NOTIFY_REMOVE:
-                hwsim_clear_sta_magic(sta);
-                break;
         case STA_NOTIFY_SLEEP:
         case STA_NOTIFY_AWAKE:
                 /* TODO: make good use of these flags */
                 break;
+        default:
+                WARN(1, "Invalid sta notify: %d\n", cmd);
+                break;
         }
 }
 
@@ -771,7 +897,77 @@ static int mac80211_hwsim_testmode_cmd(struct ieee80211_hw *hw,
 }
 #endif
 
-static const struct ieee80211_ops mac80211_hwsim_ops =
+static int mac80211_hwsim_ampdu_action(struct ieee80211_hw *hw,
+                                       struct ieee80211_vif *vif,
+                                       enum ieee80211_ampdu_mlme_action action,
+                                       struct ieee80211_sta *sta, u16 tid, u16 *ssn)
+{
+        switch (action) {
+        case IEEE80211_AMPDU_TX_START:
+                ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+                break;
+        case IEEE80211_AMPDU_TX_STOP:
+                ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+                break;
+        case IEEE80211_AMPDU_TX_OPERATIONAL:
+                break;
+        case IEEE80211_AMPDU_RX_START:
+        case IEEE80211_AMPDU_RX_STOP:
+                break;
+        default:
+                return -EOPNOTSUPP;
+        }
+
+        return 0;
+}
+
+static void mac80211_hwsim_flush(struct ieee80211_hw *hw, bool drop)
+{
+        /*
+         * In this special case, there's nothing we need to
+         * do because hwsim does transmission synchronously.
+         * In the future, when it does transmissions via
+         * userspace, we may need to do something.
+         */
+}
+
+struct hw_scan_done {
+        struct delayed_work w;
+        struct ieee80211_hw *hw;
+};
+
+static void hw_scan_done(struct work_struct *work)
+{
+        struct hw_scan_done *hsd =
+                container_of(work, struct hw_scan_done, w.work);
+
+        ieee80211_scan_completed(hsd->hw, false);
+        kfree(hsd);
+}
+
+static int mac80211_hwsim_hw_scan(struct ieee80211_hw *hw,
+                                  struct cfg80211_scan_request *req)
+{
+        struct hw_scan_done *hsd = kzalloc(sizeof(*hsd), GFP_KERNEL);
+        int i;
+
+        if (!hsd)
+                return -ENOMEM;
+
+        hsd->hw = hw;
+        INIT_DELAYED_WORK(&hsd->w, hw_scan_done);
+
+        printk(KERN_DEBUG "hwsim scan request\n");
+        for (i = 0; i < req->n_channels; i++)
+                printk(KERN_DEBUG "hwsim scan freq %d\n",
+                        req->channels[i]->center_freq);
+
+        ieee80211_queue_delayed_work(hw, &hsd->w, 2 * HZ);
+
+        return 0;
+}
+
+static struct ieee80211_ops mac80211_hwsim_ops =
 {
         .tx = mac80211_hwsim_tx,
         .start = mac80211_hwsim_start,
@@ -781,10 +977,14 @@ static const struct ieee80211_ops mac80211_hwsim_ops =
         .config = mac80211_hwsim_config,
         .configure_filter = mac80211_hwsim_configure_filter,
         .bss_info_changed = mac80211_hwsim_bss_info_changed,
+        .sta_add = mac80211_hwsim_sta_add,
+        .sta_remove = mac80211_hwsim_sta_remove,
         .sta_notify = mac80211_hwsim_sta_notify,
         .set_tim = mac80211_hwsim_set_tim,
         .conf_tx = mac80211_hwsim_conf_tx,
         CFG80211_TESTMODE_CMD(mac80211_hwsim_testmode_cmd)
+        .ampdu_action = mac80211_hwsim_ampdu_action,
+        .flush = mac80211_hwsim_flush,
 };
 
 
@@ -979,6 +1179,9 @@ static int __init init_mac80211_hwsim(void)
         if (radios < 1 || radios > 100)
                 return -EINVAL;
 
+        if (fake_hw_scan)
+                mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan;
+
         spin_lock_init(&hwsim_radio_lock);
         INIT_LIST_HEAD(&hwsim_radios);
 
@@ -1016,7 +1219,11 @@ static int __init init_mac80211_hwsim(void)
                 SET_IEEE80211_DEV(hw, data->dev);
                 addr[3] = i >> 8;
                 addr[4] = i;
-                SET_IEEE80211_PERM_ADDR(hw, addr);
+                memcpy(data->addresses[0].addr, addr, ETH_ALEN);
+                memcpy(data->addresses[1].addr, addr, ETH_ALEN);
+                data->addresses[1].addr[0] |= 0x40;
+                hw->wiphy->n_addresses = 2;
+                hw->wiphy->addresses = data->addresses;
 
                 hw->channel_change_time = 1;
                 hw->queues = 4;
@@ -1026,7 +1233,9 @@ static int __init init_mac80211_hwsim(void)
                         BIT(NL80211_IFTYPE_MESH_POINT);
 
                 hw->flags = IEEE80211_HW_MFP_CAPABLE |
-                            IEEE80211_HW_SIGNAL_DBM;
+                            IEEE80211_HW_SIGNAL_DBM |
+                            IEEE80211_HW_SUPPORTS_STATIC_SMPS |
+                            IEEE80211_HW_SUPPORTS_DYNAMIC_SMPS;
 
                 /* ask mac80211 to reserve space for magic */
                 hw->vif_data_size = sizeof(struct hwsim_vif_priv);
@@ -1045,19 +1254,20 @@ static int __init init_mac80211_hwsim(void)
                                 sband->channels = data->channels_2ghz;
                                 sband->n_channels =
                                         ARRAY_SIZE(hwsim_channels_2ghz);
+                                sband->bitrates = data->rates;
+                                sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
                                 break;
                         case IEEE80211_BAND_5GHZ:
                                 sband->channels = data->channels_5ghz;
                                 sband->n_channels =
                                         ARRAY_SIZE(hwsim_channels_5ghz);
+                                sband->bitrates = data->rates + 4;
+                                sband->n_bitrates = ARRAY_SIZE(hwsim_rates) - 4;
                                 break;
                         default:
                                 break;
                         }
 
-                        sband->bitrates = data->rates;
-                        sband->n_bitrates = ARRAY_SIZE(hwsim_rates);
-
                         sband->ht_cap.ht_supported = true;
                         sband->ht_cap.cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
                                 IEEE80211_HT_CAP_GRN_FLD |
@@ -1089,46 +1299,46 @@ static int __init init_mac80211_hwsim(void)
                         break;
                 case HWSIM_REGTEST_WORLD_ROAM:
                         if (i == 0) {
-                                hw->wiphy->custom_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                                 wiphy_apply_custom_regulatory(hw->wiphy,
                                         &hwsim_world_regdom_custom_01);
                         }
                         break;
                 case HWSIM_REGTEST_CUSTOM_WORLD:
-                        hw->wiphy->custom_regulatory = true;
+                        hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                         wiphy_apply_custom_regulatory(hw->wiphy,
                                 &hwsim_world_regdom_custom_01);
                         break;
                 case HWSIM_REGTEST_CUSTOM_WORLD_2:
                         if (i == 0) {
-                                hw->wiphy->custom_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                                 wiphy_apply_custom_regulatory(hw->wiphy,
                                         &hwsim_world_regdom_custom_01);
                         } else if (i == 1) {
-                                hw->wiphy->custom_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                                 wiphy_apply_custom_regulatory(hw->wiphy,
                                         &hwsim_world_regdom_custom_02);
                         }
                         break;
                 case HWSIM_REGTEST_STRICT_ALL:
-                        hw->wiphy->strict_regulatory = true;
+                        hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
                         break;
                 case HWSIM_REGTEST_STRICT_FOLLOW:
                 case HWSIM_REGTEST_STRICT_AND_DRIVER_REG:
                         if (i == 0)
-                                hw->wiphy->strict_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
                         break;
                 case HWSIM_REGTEST_ALL:
                         if (i == 0) {
-                                hw->wiphy->custom_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                                 wiphy_apply_custom_regulatory(hw->wiphy,
                                         &hwsim_world_regdom_custom_01);
                         } else if (i == 1) {
-                                hw->wiphy->custom_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY;
                                 wiphy_apply_custom_regulatory(hw->wiphy,
                                         &hwsim_world_regdom_custom_02);
                         } else if (i == 4)
-                                hw->wiphy->strict_regulatory = true;
+                                hw->wiphy->flags |= WIPHY_FLAG_STRICT_REGULATORY;
                         break;
                 default:
                         break;