u8 data_retries;
} __attribute__ ((packed));
-/* common interface routines */
-
-static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
-{
- memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
- return ETH_ALEN;
-}
/* must be called under mdev tx lock */
-static void ieee80211_configure_filter(struct ieee80211_local *local)
+void ieee80211_configure_filter(struct ieee80211_local *local)
{
unsigned int changed_flags;
unsigned int new_flags = 0;
/* master interface */
+static int header_parse_80211(const struct sk_buff *skb, unsigned char *haddr)
+{
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
+ return ETH_ALEN;
+}
+
+static const struct header_ops ieee80211_header_ops = {
+ .create = eth_header,
+ .parse = header_parse_80211,
+ .rebuild = eth_rebuild_header,
+ .cache = eth_header_cache,
+ .cache_update = eth_header_cache_update,
+};
+
static int ieee80211_master_open(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+ struct ieee80211_local *local = mpriv->local;
struct ieee80211_sub_if_data *sdata;
int res = -EOPNOTSUPP;
static int ieee80211_master_stop(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+ struct ieee80211_local *local = mpriv->local;
struct ieee80211_sub_if_data *sdata;
/* we hold the RTNL here so can safely walk the list */
static void ieee80211_master_set_multicast_list(struct net_device *dev)
{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ struct ieee80211_master_priv *mpriv = netdev_priv(dev);
+ struct ieee80211_local *local = mpriv->local;
ieee80211_configure_filter(local);
}
-/* regular interfaces */
-
-static int ieee80211_change_mtu(struct net_device *dev, int new_mtu)
-{
- int meshhdrlen;
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- meshhdrlen = (sdata->vif.type == IEEE80211_IF_TYPE_MESH_POINT) ? 5 : 0;
-
- /* FIX: what would be proper limits for MTU?
- * This interface uses 802.3 frames. */
- if (new_mtu < 256 ||
- new_mtu > IEEE80211_MAX_DATA_LEN - 24 - 6 - meshhdrlen) {
- return -EINVAL;
- }
-
-#ifdef CONFIG_MAC80211_VERBOSE_DEBUG
- printk(KERN_DEBUG "%s: setting MTU %d\n", dev->name, new_mtu);
-#endif /* CONFIG_MAC80211_VERBOSE_DEBUG */
- dev->mtu = new_mtu;
- return 0;
-}
-
-static inline int identical_mac_addr_allowed(int type1, int type2)
-{
- return (type1 == IEEE80211_IF_TYPE_MNTR ||
- type2 == IEEE80211_IF_TYPE_MNTR ||
- (type1 == IEEE80211_IF_TYPE_AP &&
- type2 == IEEE80211_IF_TYPE_WDS) ||
- (type1 == IEEE80211_IF_TYPE_WDS &&
- (type2 == IEEE80211_IF_TYPE_WDS ||
- type2 == IEEE80211_IF_TYPE_AP)) ||
- (type1 == IEEE80211_IF_TYPE_AP &&
- type2 == IEEE80211_IF_TYPE_VLAN) ||
- (type1 == IEEE80211_IF_TYPE_VLAN &&
- (type2 == IEEE80211_IF_TYPE_AP ||
- type2 == IEEE80211_IF_TYPE_VLAN)));
-}
-
-static int ieee80211_open(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata, *nsdata;
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct sta_info *sta;
- struct ieee80211_if_init_conf conf;
- u32 changed = 0;
- int res;
- bool need_hw_reconfig = 0;
-
- sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
- /* we hold the RTNL here so can safely walk the list */
- list_for_each_entry(nsdata, &local->interfaces, list) {
- struct net_device *ndev = nsdata->dev;
-
- if (ndev != dev && netif_running(ndev)) {
- /*
- * Allow only a single IBSS interface to be up at any
- * time. This is restricted because beacon distribution
- * cannot work properly if both are in the same IBSS.
- *
- * To remove this restriction we'd have to disallow them
- * from setting the same SSID on different IBSS interfaces
- * belonging to the same hardware. Then, however, we're
- * faced with having to adopt two different TSF timers...
- */
- if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
- nsdata->vif.type == IEEE80211_IF_TYPE_IBSS)
- return -EBUSY;
-
- /*
- * The remaining checks are only performed for interfaces
- * with the same MAC address.
- */
- if (compare_ether_addr(dev->dev_addr, ndev->dev_addr))
- continue;
-
- /*
- * check whether it may have the same address
- */
- if (!identical_mac_addr_allowed(sdata->vif.type,
- nsdata->vif.type))
- return -ENOTUNIQ;
-
- /*
- * can only add VLANs to enabled APs
- */
- if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN &&
- nsdata->vif.type == IEEE80211_IF_TYPE_AP)
- sdata->bss = &nsdata->u.ap;
- }
- }
-
- switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_WDS:
- if (!is_valid_ether_addr(sdata->u.wds.remote_addr))
- return -ENOLINK;
- break;
- case IEEE80211_IF_TYPE_VLAN:
- if (!sdata->bss)
- return -ENOLINK;
- list_add(&sdata->u.vlan.list, &sdata->bss->vlans);
- break;
- case IEEE80211_IF_TYPE_AP:
- sdata->bss = &sdata->u.ap;
- break;
- case IEEE80211_IF_TYPE_MESH_POINT:
- /* mesh ifaces must set allmulti to forward mcast traffic */
- atomic_inc(&local->iff_allmultis);
- break;
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_MNTR:
- case IEEE80211_IF_TYPE_IBSS:
- /* no special treatment */
- break;
- case IEEE80211_IF_TYPE_INVALID:
- /* cannot happen */
- WARN_ON(1);
- break;
- }
-
- if (local->open_count == 0) {
- res = 0;
- if (local->ops->start)
- res = local->ops->start(local_to_hw(local));
- if (res)
- goto err_del_bss;
- need_hw_reconfig = 1;
- ieee80211_led_radio(local, local->hw.conf.radio_enabled);
- }
-
- switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_VLAN:
- /* no need to tell driver */
- break;
- case IEEE80211_IF_TYPE_MNTR:
- if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
- local->cooked_mntrs++;
- break;
- }
-
- /* must be before the call to ieee80211_configure_filter */
- local->monitors++;
- if (local->monitors == 1)
- local->hw.conf.flags |= IEEE80211_CONF_RADIOTAP;
-
- if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
- local->fif_fcsfail++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
- local->fif_plcpfail++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
- local->fif_control++;
- if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
- local->fif_other_bss++;
-
- netif_addr_lock_bh(local->mdev);
- ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
- break;
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- sdata->u.sta.flags &= ~IEEE80211_STA_PREV_BSSID_SET;
- /* fall through */
- default:
- conf.vif = &sdata->vif;
- conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
- res = local->ops->add_interface(local_to_hw(local), &conf);
- if (res)
- goto err_stop;
-
- if (ieee80211_vif_is_mesh(&sdata->vif))
- ieee80211_start_mesh(sdata->dev);
- changed |= ieee80211_reset_erp_info(dev);
- ieee80211_bss_info_change_notify(sdata, changed);
- ieee80211_enable_keys(sdata);
-
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
- !(sdata->flags & IEEE80211_SDATA_USERSPACE_MLME))
- netif_carrier_off(dev);
- else
- netif_carrier_on(dev);
- }
-
- if (sdata->vif.type == IEEE80211_IF_TYPE_WDS) {
- /* Create STA entry for the WDS peer */
- sta = sta_info_alloc(sdata, sdata->u.wds.remote_addr,
- GFP_KERNEL);
- if (!sta) {
- res = -ENOMEM;
- goto err_del_interface;
- }
-
- /* no locking required since STA is not live yet */
- sta->flags |= WLAN_STA_AUTHORIZED;
-
- res = sta_info_insert(sta);
- if (res) {
- /* STA has been freed */
- goto err_del_interface;
- }
- }
-
- if (local->open_count == 0) {
- res = dev_open(local->mdev);
- WARN_ON(res);
- if (res)
- goto err_del_interface;
- tasklet_enable(&local->tx_pending_tasklet);
- tasklet_enable(&local->tasklet);
- }
-
- /*
- * set_multicast_list will be invoked by the networking core
- * which will check whether any increments here were done in
- * error and sync them down to the hardware as filter flags.
- */
- if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
- atomic_inc(&local->iff_allmultis);
-
- if (sdata->flags & IEEE80211_SDATA_PROMISC)
- atomic_inc(&local->iff_promiscs);
-
- local->open_count++;
- if (need_hw_reconfig)
- ieee80211_hw_config(local);
-
- /*
- * ieee80211_sta_work is disabled while network interface
- * is down. Therefore, some configuration changes may not
- * yet be effective. Trigger execution of ieee80211_sta_work
- * to fix this.
- */
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
- sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
- struct ieee80211_if_sta *ifsta = &sdata->u.sta;
- queue_work(local->hw.workqueue, &ifsta->work);
- }
-
- netif_tx_start_all_queues(dev);
-
- return 0;
- err_del_interface:
- local->ops->remove_interface(local_to_hw(local), &conf);
- err_stop:
- if (!local->open_count && local->ops->stop)
- local->ops->stop(local_to_hw(local));
- err_del_bss:
- sdata->bss = NULL;
- if (sdata->vif.type == IEEE80211_IF_TYPE_VLAN)
- list_del(&sdata->u.vlan.list);
- return res;
-}
-
-static int ieee80211_stop(struct net_device *dev)
-{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- struct ieee80211_local *local = sdata->local;
- struct ieee80211_if_init_conf conf;
- struct sta_info *sta;
-
- /*
- * Stop TX on this interface first.
- */
- netif_tx_stop_all_queues(dev);
-
- /*
- * Now delete all active aggregation sessions.
- */
- rcu_read_lock();
-
- list_for_each_entry_rcu(sta, &local->sta_list, list) {
- if (sta->sdata == sdata)
- ieee80211_sta_tear_down_BA_sessions(dev, sta->addr);
- }
-
- rcu_read_unlock();
-
- /*
- * Remove all stations associated with this interface.
- *
- * This must be done before calling ops->remove_interface()
- * because otherwise we can later invoke ops->sta_notify()
- * whenever the STAs are removed, and that invalidates driver
- * assumptions about always getting a vif pointer that is valid
- * (because if we remove a STA after ops->remove_interface()
- * the driver will have removed the vif info already!)
- *
- * We could relax this and only unlink the stations from the
- * hash table and list but keep them on a per-sdata list that
- * will be inserted back again when the interface is brought
- * up again, but I don't currently see a use case for that,
- * except with WDS which gets a STA entry created when it is
- * brought up.
- */
- sta_info_flush(local, sdata);
-
- /*
- * Don't count this interface for promisc/allmulti while it
- * is down. dev_mc_unsync() will invoke set_multicast_list
- * on the master interface which will sync these down to the
- * hardware as filter flags.
- */
- if (sdata->flags & IEEE80211_SDATA_ALLMULTI)
- atomic_dec(&local->iff_allmultis);
-
- if (sdata->flags & IEEE80211_SDATA_PROMISC)
- atomic_dec(&local->iff_promiscs);
-
- dev_mc_unsync(local->mdev, dev);
-
- /* APs need special treatment */
- if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
- struct ieee80211_sub_if_data *vlan, *tmp;
- struct beacon_data *old_beacon = sdata->u.ap.beacon;
-
- /* remove beacon */
- rcu_assign_pointer(sdata->u.ap.beacon, NULL);
- synchronize_rcu();
- kfree(old_beacon);
-
- /* down all dependent devices, that is VLANs */
- list_for_each_entry_safe(vlan, tmp, &sdata->u.ap.vlans,
- u.vlan.list)
- dev_close(vlan->dev);
- WARN_ON(!list_empty(&sdata->u.ap.vlans));
- }
-
- local->open_count--;
-
- switch (sdata->vif.type) {
- case IEEE80211_IF_TYPE_VLAN:
- list_del(&sdata->u.vlan.list);
- /* no need to tell driver */
- break;
- case IEEE80211_IF_TYPE_MNTR:
- if (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES) {
- local->cooked_mntrs--;
- break;
- }
-
- local->monitors--;
- if (local->monitors == 0)
- local->hw.conf.flags &= ~IEEE80211_CONF_RADIOTAP;
-
- if (sdata->u.mntr_flags & MONITOR_FLAG_FCSFAIL)
- local->fif_fcsfail--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_PLCPFAIL)
- local->fif_plcpfail--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_CONTROL)
- local->fif_control--;
- if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS)
- local->fif_other_bss--;
-
- netif_addr_lock_bh(local->mdev);
- ieee80211_configure_filter(local);
- netif_addr_unlock_bh(local->mdev);
- break;
- case IEEE80211_IF_TYPE_MESH_POINT:
- /* allmulti is always set on mesh ifaces */
- atomic_dec(&local->iff_allmultis);
- /* fall through */
- case IEEE80211_IF_TYPE_STA:
- case IEEE80211_IF_TYPE_IBSS:
- sdata->u.sta.state = IEEE80211_DISABLED;
- memset(sdata->u.sta.bssid, 0, ETH_ALEN);
- del_timer_sync(&sdata->u.sta.timer);
- /*
- * When we get here, the interface is marked down.
- * Call synchronize_rcu() to wait for the RX path
- * should it be using the interface and enqueuing
- * frames at this very time on another CPU.
- */
- synchronize_rcu();
- skb_queue_purge(&sdata->u.sta.skb_queue);
-
- if (local->scan_dev == sdata->dev) {
- if (!local->ops->hw_scan) {
- local->sta_sw_scanning = 0;
- cancel_delayed_work(&local->scan_work);
- } else
- local->sta_hw_scanning = 0;
- }
-
- sdata->u.sta.flags &= ~IEEE80211_STA_PRIVACY_INVOKED;
- kfree(sdata->u.sta.extra_ie);
- sdata->u.sta.extra_ie = NULL;
- sdata->u.sta.extra_ie_len = 0;
- /* fall through */
- default:
- conf.vif = &sdata->vif;
- conf.type = sdata->vif.type;
- conf.mac_addr = dev->dev_addr;
- /* disable all keys for as long as this netdev is down */
- ieee80211_disable_keys(sdata);
- local->ops->remove_interface(local_to_hw(local), &conf);
- }
-
- sdata->bss = NULL;
-
- if (local->open_count == 0) {
- if (netif_running(local->mdev))
- dev_close(local->mdev);
-
- if (local->ops->stop)
- local->ops->stop(local_to_hw(local));
-
- ieee80211_led_radio(local, 0);
-
- flush_workqueue(local->hw.workqueue);
-
- tasklet_disable(&local->tx_pending_tasklet);
- tasklet_disable(&local->tasklet);
- }
-
- return 0;
-}
-
-int ieee80211_start_tx_ba_session(struct ieee80211_hw *hw, u8 *ra, u16 tid)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct sta_info *sta;
- struct ieee80211_sub_if_data *sdata;
- u16 start_seq_num = 0;
- u8 *state;
- int ret;
- DECLARE_MAC_BUF(mac);
-
- if (tid >= STA_TID_NUM)
- return -EINVAL;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Open BA session requested for %s tid %u\n",
- print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
- rcu_read_lock();
-
- sta = sta_info_get(local, ra);
- if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find the station\n");
-#endif
- ret = -ENOENT;
- goto exit;
- }
-
- spin_lock_bh(&sta->lock);
-
- /* we have tried too many times, receiver does not want A-MPDU */
- if (sta->ampdu_mlme.addba_req_num[tid] > HT_AGG_MAX_RETRIES) {
- ret = -EBUSY;
- goto err_unlock_sta;
- }
-
- state = &sta->ampdu_mlme.tid_state_tx[tid];
- /* check if the TID is not in aggregation flow already */
- if (*state != HT_AGG_STATE_IDLE) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - session is not "
- "idle on tid %u\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
- ret = -EAGAIN;
- goto err_unlock_sta;
- }
-
- /* prepare A-MPDU MLME for Tx aggregation */
- sta->ampdu_mlme.tid_tx[tid] =
- kmalloc(sizeof(struct tid_ampdu_tx), GFP_ATOMIC);
- if (!sta->ampdu_mlme.tid_tx[tid]) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_ERR "allocate tx mlme to tid %d failed\n",
- tid);
-#endif
- ret = -ENOMEM;
- goto err_unlock_sta;
- }
- /* Tx timer */
- sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.function =
- sta_addba_resp_timer_expired;
- sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.data =
- (unsigned long)&sta->timer_to_tid[tid];
- init_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-
- /* create a new queue for this aggregation */
- ret = ieee80211_ht_agg_queue_add(local, sta, tid);
-
- /* case no queue is available to aggregation
- * don't switch to aggregation */
- if (ret) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - queue unavailable for"
- " tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
- goto err_unlock_queue;
- }
- sdata = sta->sdata;
-
- /* Ok, the Addba frame hasn't been sent yet, but if the driver calls the
- * call back right away, it must see that the flow has begun */
- *state |= HT_ADDBA_REQUESTED_MSK;
-
- if (local->ops->ampdu_action)
- ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_START,
- ra, tid, &start_seq_num);
-
- if (ret) {
- /* No need to requeue the packets in the agg queue, since we
- * held the tx lock: no packet could be enqueued to the newly
- * allocated queue */
- ieee80211_ht_agg_queue_remove(local, sta, tid, 0);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "BA request denied - HW unavailable for"
- " tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
- *state = HT_AGG_STATE_IDLE;
- goto err_unlock_queue;
- }
-
- /* Will put all the packets in the new SW queue */
- ieee80211_requeue(local, ieee802_1d_to_ac[tid]);
- spin_unlock_bh(&sta->lock);
-
- /* send an addBA request */
- sta->ampdu_mlme.dialog_token_allocator++;
- sta->ampdu_mlme.tid_tx[tid]->dialog_token =
- sta->ampdu_mlme.dialog_token_allocator;
- sta->ampdu_mlme.tid_tx[tid]->ssn = start_seq_num;
-
-
- ieee80211_send_addba_request(sta->sdata->dev, ra, tid,
- sta->ampdu_mlme.tid_tx[tid]->dialog_token,
- sta->ampdu_mlme.tid_tx[tid]->ssn,
- 0x40, 5000);
- /* activate the timer for the recipient's addBA response */
- sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer.expires =
- jiffies + ADDBA_RESP_INTERVAL;
- add_timer(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "activated addBA response timer on tid %d\n", tid);
-#endif
- goto exit;
-
-err_unlock_queue:
- kfree(sta->ampdu_mlme.tid_tx[tid]);
- sta->ampdu_mlme.tid_tx[tid] = NULL;
- ret = -EBUSY;
-err_unlock_sta:
- spin_unlock_bh(&sta->lock);
-exit:
- rcu_read_unlock();
- return ret;
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_session);
-
-int ieee80211_stop_tx_ba_session(struct ieee80211_hw *hw,
- u8 *ra, u16 tid,
- enum ieee80211_back_parties initiator)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct sta_info *sta;
- u8 *state;
- int ret = 0;
- DECLARE_MAC_BUF(mac);
-
- if (tid >= STA_TID_NUM)
- return -EINVAL;
-
- rcu_read_lock();
- sta = sta_info_get(local, ra);
- if (!sta) {
- rcu_read_unlock();
- return -ENOENT;
- }
-
- /* check if the TID is in aggregation */
- state = &sta->ampdu_mlme.tid_state_tx[tid];
- spin_lock_bh(&sta->lock);
-
- if (*state != HT_AGG_STATE_OPERATIONAL) {
- ret = -ENOENT;
- goto stop_BA_exit;
- }
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Tx BA session stop requested for %s tid %u\n",
- print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
- ieee80211_stop_queue(hw, sta->tid_to_tx_q[tid]);
-
- *state = HT_AGG_STATE_REQ_STOP_BA_MSK |
- (initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-
- if (local->ops->ampdu_action)
- ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_TX_STOP,
- ra, tid, NULL);
-
- /* case HW denied going back to legacy */
- if (ret) {
- WARN_ON(ret != -EBUSY);
- *state = HT_AGG_STATE_OPERATIONAL;
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
- goto stop_BA_exit;
- }
-
-stop_BA_exit:
- spin_unlock_bh(&sta->lock);
- rcu_read_unlock();
- return ret;
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_session);
-
-void ieee80211_start_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u16 tid)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct sta_info *sta;
- u8 *state;
- DECLARE_MAC_BUF(mac);
-
- if (tid >= STA_TID_NUM) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
- tid, STA_TID_NUM);
-#endif
- return;
- }
-
- rcu_read_lock();
- sta = sta_info_get(local, ra);
- if (!sta) {
- rcu_read_unlock();
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %s\n",
- print_mac(mac, ra));
-#endif
- return;
- }
-
- state = &sta->ampdu_mlme.tid_state_tx[tid];
- spin_lock_bh(&sta->lock);
-
- if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "addBA was not requested yet, state is %d\n",
- *state);
-#endif
- spin_unlock_bh(&sta->lock);
- rcu_read_unlock();
- return;
- }
-
- WARN_ON_ONCE(*state & HT_ADDBA_DRV_READY_MSK);
-
- *state |= HT_ADDBA_DRV_READY_MSK;
-
- if (*state == HT_AGG_STATE_OPERATIONAL) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Aggregation is on for tid %d \n", tid);
-#endif
- ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
- }
- spin_unlock_bh(&sta->lock);
- rcu_read_unlock();
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_cb);
-
-void ieee80211_stop_tx_ba_cb(struct ieee80211_hw *hw, u8 *ra, u8 tid)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct sta_info *sta;
- u8 *state;
- int agg_queue;
- DECLARE_MAC_BUF(mac);
-
- if (tid >= STA_TID_NUM) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Bad TID value: tid = %d (>= %d)\n",
- tid, STA_TID_NUM);
-#endif
- return;
- }
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Stopping Tx BA session for %s tid %d\n",
- print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
- rcu_read_lock();
- sta = sta_info_get(local, ra);
- if (!sta) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "Could not find station: %s\n",
- print_mac(mac, ra));
-#endif
- rcu_read_unlock();
- return;
- }
- state = &sta->ampdu_mlme.tid_state_tx[tid];
-
- /* NOTE: no need to use sta->lock in this state check, as
- * ieee80211_stop_tx_ba_session will let only one stop call to
- * pass through per sta/tid
- */
- if ((*state & HT_AGG_STATE_REQ_STOP_BA_MSK) == 0) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- printk(KERN_DEBUG "unexpected callback to A-MPDU stop\n");
-#endif
- rcu_read_unlock();
- return;
- }
-
- if (*state & HT_AGG_STATE_INITIATOR_MSK)
- ieee80211_send_delba(sta->sdata->dev, ra, tid,
- WLAN_BACK_INITIATOR, WLAN_REASON_QSTA_NOT_USE);
-
- agg_queue = sta->tid_to_tx_q[tid];
-
- ieee80211_ht_agg_queue_remove(local, sta, tid, 1);
-
- /* We just requeued the all the frames that were in the
- * removed queue, and since we might miss a softirq we do
- * netif_schedule_queue. ieee80211_wake_queue is not used
- * here as this queue is not necessarily stopped
- */
- netif_schedule_queue(netdev_get_tx_queue(local->mdev, agg_queue));
- spin_lock_bh(&sta->lock);
- *state = HT_AGG_STATE_IDLE;
- sta->ampdu_mlme.addba_req_num[tid] = 0;
- kfree(sta->ampdu_mlme.tid_tx[tid]);
- sta->ampdu_mlme.tid_tx[tid] = NULL;
- spin_unlock_bh(&sta->lock);
-
- rcu_read_unlock();
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb);
-
-void ieee80211_start_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
- const u8 *ra, u16 tid)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_ra_tid *ra_tid;
- struct sk_buff *skb = dev_alloc_skb(0);
-
- if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_WARNING "%s: Not enough memory, "
- "dropping start BA session", skb->dev->name);
-#endif
- return;
- }
- ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
- memcpy(&ra_tid->ra, ra, ETH_ALEN);
- ra_tid->tid = tid;
-
- skb->pkt_type = IEEE80211_ADDBA_MSG;
- skb_queue_tail(&local->skb_queue, skb);
- tasklet_schedule(&local->tasklet);
-}
-EXPORT_SYMBOL(ieee80211_start_tx_ba_cb_irqsafe);
-
-void ieee80211_stop_tx_ba_cb_irqsafe(struct ieee80211_hw *hw,
- const u8 *ra, u16 tid)
-{
- struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_ra_tid *ra_tid;
- struct sk_buff *skb = dev_alloc_skb(0);
-
- if (unlikely(!skb)) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
- if (net_ratelimit())
- printk(KERN_WARNING "%s: Not enough memory, "
- "dropping stop BA session", skb->dev->name);
-#endif
- return;
- }
- ra_tid = (struct ieee80211_ra_tid *) &skb->cb;
- memcpy(&ra_tid->ra, ra, ETH_ALEN);
- ra_tid->tid = tid;
-
- skb->pkt_type = IEEE80211_DELBA_MSG;
- skb_queue_tail(&local->skb_queue, skb);
- tasklet_schedule(&local->tasklet);
-}
-EXPORT_SYMBOL(ieee80211_stop_tx_ba_cb_irqsafe);
-
-static void ieee80211_set_multicast_list(struct net_device *dev)
-{
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
- int allmulti, promisc, sdata_allmulti, sdata_promisc;
-
- allmulti = !!(dev->flags & IFF_ALLMULTI);
- promisc = !!(dev->flags & IFF_PROMISC);
- sdata_allmulti = !!(sdata->flags & IEEE80211_SDATA_ALLMULTI);
- sdata_promisc = !!(sdata->flags & IEEE80211_SDATA_PROMISC);
-
- if (allmulti != sdata_allmulti) {
- if (dev->flags & IFF_ALLMULTI)
- atomic_inc(&local->iff_allmultis);
- else
- atomic_dec(&local->iff_allmultis);
- sdata->flags ^= IEEE80211_SDATA_ALLMULTI;
- }
-
- if (promisc != sdata_promisc) {
- if (dev->flags & IFF_PROMISC)
- atomic_inc(&local->iff_promiscs);
- else
- atomic_dec(&local->iff_promiscs);
- sdata->flags ^= IEEE80211_SDATA_PROMISC;
- }
-
- dev_mc_sync(local->mdev, dev);
-}
-
-static const struct header_ops ieee80211_header_ops = {
- .create = eth_header,
- .parse = header_parse_80211,
- .rebuild = eth_rebuild_header,
- .cache = eth_header_cache,
- .cache_update = eth_header_cache_update,
-};
-
-void ieee80211_if_setup(struct net_device *dev)
-{
- ether_setup(dev);
- dev->hard_start_xmit = ieee80211_subif_start_xmit;
- dev->wireless_handlers = &ieee80211_iw_handler_def;
- dev->set_multicast_list = ieee80211_set_multicast_list;
- dev->change_mtu = ieee80211_change_mtu;
- dev->open = ieee80211_open;
- dev->stop = ieee80211_stop;
- dev->destructor = free_netdev;
-}
-
/* everything else */
int ieee80211_if_config(struct ieee80211_sub_if_data *sdata, u32 changed)
if (WARN_ON(!netif_running(sdata->dev)))
return 0;
+ if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+ return -EINVAL;
+
if (!local->ops->config_interface)
return 0;
memset(&conf, 0, sizeof(conf));
conf.changed = changed;
- if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
- sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
+ if (sdata->vif.type == NL80211_IFTYPE_STATION ||
+ sdata->vif.type == NL80211_IFTYPE_ADHOC) {
conf.bssid = sdata->u.sta.bssid;
conf.ssid = sdata->u.sta.ssid;
conf.ssid_len = sdata->u.sta.ssid_len;
- } else if (sdata->vif.type == IEEE80211_IF_TYPE_AP) {
+ } else if (sdata->vif.type == NL80211_IFTYPE_AP) {
conf.bssid = sdata->dev->dev_addr;
conf.ssid = sdata->u.ap.ssid;
conf.ssid_len = sdata->u.ap.ssid_len;
struct ieee80211_channel *chan;
int ret = 0;
- if (local->sta_sw_scanning)
+ if (local->sw_scanning)
chan = local->scan_channel;
else
chan = local->oper_channel;
ht_conf.ht_supported = 1;
ht_conf.cap = req_ht_cap->cap & sband->ht_info.cap;
- ht_conf.cap &= ~(IEEE80211_HT_CAP_MIMO_PS);
- ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_MIMO_PS;
+ ht_conf.cap &= ~(IEEE80211_HT_CAP_SM_PS);
+ ht_conf.cap |= sband->ht_info.cap & IEEE80211_HT_CAP_SM_PS;
ht_bss_conf.primary_channel = req_bss_cap->primary_channel;
ht_bss_conf.bss_cap = req_bss_cap->bss_cap;
ht_bss_conf.bss_op_mode = req_bss_cap->bss_op_mode;
{
struct ieee80211_local *local = sdata->local;
+ if (WARN_ON(sdata->vif.type == NL80211_IFTYPE_AP_VLAN))
+ return;
+
if (!changed)
return;
changed);
}
-u32 ieee80211_reset_erp_info(struct net_device *dev)
+u32 ieee80211_reset_erp_info(struct ieee80211_sub_if_data *sdata)
{
- struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
sdata->bss_conf.use_cts_prot = 0;
sdata->bss_conf.use_short_preamble = 0;
return BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_ERP_PREAMBLE;
struct ieee80211_key *key,
struct sk_buff *skb)
{
- int hdrlen, iv_len, mic_len;
+ unsigned int hdrlen, iv_len, mic_len;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
+ hdrlen = ieee80211_hdrlen(hdr->frame_control);
if (!key)
goto no_key;
goto no_key;
}
- if (skb->len >= mic_len &&
+ if (skb->len >= hdrlen + mic_len &&
!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
skb_trim(skb, skb->len - mic_len);
- if (skb->len >= iv_len && skb->len > hdrlen) {
+ if (skb->len >= hdrlen + iv_len) {
memmove(skb->data + iv_len, skb->data, hdrlen);
- skb_pull(skb, iv_len);
+ hdr = (struct ieee80211_hdr *)skb_pull(skb, iv_len);
}
no_key:
- {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
- u16 fc = le16_to_cpu(hdr->frame_control);
- if ((fc & 0x8C) == 0x88) /* QoS Control Field */ {
- fc &= ~IEEE80211_STYPE_QOS_DATA;
- hdr->frame_control = cpu_to_le16(fc);
- memmove(skb->data + 2, skb->data, hdrlen - 2);
- skb_pull(skb, 2);
- }
+ if (ieee80211_is_data_qos(hdr->frame_control)) {
+ hdr->frame_control &= ~cpu_to_le16(IEEE80211_STYPE_QOS_DATA);
+ memmove(skb->data + IEEE80211_QOS_CTL_LEN, skb->data,
+ hdrlen - IEEE80211_QOS_CTL_LEN);
+ skb_pull(skb, IEEE80211_QOS_CTL_LEN);
}
}
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u16 frag, type;
__le16 fc;
+ struct ieee80211_supported_band *sband;
struct ieee80211_tx_status_rtap_hdr *rthdr;
struct ieee80211_sub_if_data *sdata;
struct net_device *prev_dev = NULL;
rcu_read_lock();
- if (info->status.excessive_retries) {
- sta = sta_info_get(local, hdr->addr1);
- if (sta) {
- if (test_sta_flags(sta, WLAN_STA_PS)) {
- /*
- * The STA is in power save mode, so assume
- * that this TX packet failed because of that.
- */
- ieee80211_handle_filtered_frame(local, sta, skb);
- rcu_read_unlock();
- return;
- }
+ sta = sta_info_get(local, hdr->addr1);
+
+ if (sta) {
+ if (info->status.excessive_retries &&
+ test_sta_flags(sta, WLAN_STA_PS)) {
+ /*
+ * The STA is in power save mode, so assume
+ * that this TX packet failed because of that.
+ */
+ ieee80211_handle_filtered_frame(local, sta, skb);
+ rcu_read_unlock();
+ return;
}
- }
- fc = hdr->frame_control;
+ fc = hdr->frame_control;
+
+ if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
+ (ieee80211_is_data_qos(fc))) {
+ u16 tid, ssn;
+ u8 *qc;
- if ((info->flags & IEEE80211_TX_STAT_AMPDU_NO_BACK) &&
- (ieee80211_is_data_qos(fc))) {
- u16 tid, ssn;
- u8 *qc;
- sta = sta_info_get(local, hdr->addr1);
- if (sta) {
qc = ieee80211_get_qos_ctl(hdr);
tid = qc[0] & 0xf;
ssn = ((le16_to_cpu(hdr->seq_ctrl) + 0x10)
& IEEE80211_SCTL_SEQ);
- ieee80211_send_bar(sta->sdata->dev, hdr->addr1,
+ ieee80211_send_bar(sta->sdata, hdr->addr1,
tid, ssn);
}
- }
- if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
- sta = sta_info_get(local, hdr->addr1);
- if (sta) {
+ if (info->flags & IEEE80211_TX_STAT_TX_FILTERED) {
ieee80211_handle_filtered_frame(local, sta, skb);
rcu_read_unlock();
return;
+ } else {
+ if (info->status.excessive_retries)
+ sta->tx_retry_failed++;
+ sta->tx_retry_count += info->status.retry_count;
}
- } else
- rate_control_tx_status(local->mdev, skb);
+
+ sband = local->hw.wiphy->bands[info->band];
+ rate_control_tx_status(local, sband, sta, skb);
+ }
rcu_read_unlock();
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- if (sdata->vif.type == IEEE80211_IF_TYPE_MNTR) {
+ if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
if (!netif_running(sdata->dev))
continue;
local->hw.queues = 1; /* default */
- local->bridge_packets = 1;
-
local->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD;
local->fragmentation_threshold = IEEE80211_MAX_FRAG_THRESHOLD;
local->short_retry_limit = 7;
spin_lock_init(&local->key_lock);
- INIT_DELAYED_WORK(&local->scan_work, ieee80211_sta_scan_work);
+ INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work);
sta_info_init(local);
int result;
enum ieee80211_band band;
struct net_device *mdev;
- struct wireless_dev *mwdev;
+ struct ieee80211_master_priv *mpriv;
/*
* generic code guarantees at least one band,
}
}
+ /* if low-level driver supports AP, we also support VLAN */
+ if (local->hw.wiphy->interface_modes & BIT(NL80211_IFTYPE_AP))
+ local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_AP_VLAN);
+
+ /* mac80211 always supports monitor */
+ local->hw.wiphy->interface_modes |= BIT(NL80211_IFTYPE_MONITOR);
+
result = wiphy_register(local->hw.wiphy);
if (result < 0)
return result;
if (hw->queues < 4)
hw->ampdu_queues = 0;
- mdev = alloc_netdev_mq(sizeof(struct wireless_dev),
+ mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv),
"wmaster%d", ether_setup,
ieee80211_num_queues(hw));
if (!mdev)
goto fail_mdev_alloc;
- mwdev = netdev_priv(mdev);
- mdev->ieee80211_ptr = mwdev;
- mwdev->wiphy = local->hw.wiphy;
-
+ mpriv = netdev_priv(mdev);
+ mpriv->local = local;
local->mdev = mdev;
ieee80211_rx_bss_list_init(local);
/* add one default STA interface */
result = ieee80211_if_add(local, "wlan%d", NULL,
- IEEE80211_IF_TYPE_STA, NULL);
+ NL80211_IFTYPE_STATION, NULL);
if (result)
printk(KERN_WARNING "%s: Failed to add default virtual iface\n",
wiphy_name(local->hw.wiphy));
BUILD_BUG_ON(offsetof(struct ieee80211_tx_info, driver_data) +
IEEE80211_TX_INFO_DRIVER_DATA_SIZE > sizeof(skb->cb));
+ ret = rc80211_minstrel_init();
+ if (ret)
+ return ret;
+
ret = rc80211_pid_init();
if (ret)
return ret;
static void __exit ieee80211_exit(void)
{
rc80211_pid_exit();
+ rc80211_minstrel_exit();
/*
* For key todo, it'll be empty by now but the work
projects / linux-2.6-omap-h63xx.git / blobdiff