diff --git a/include/net/mac80211.h b/include/net/mac80211.h index a861259c30502d285e146e9103b8a9efe9df0054..7dd67a1ff4d5f444bb335005da972b7aaec3e985 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -241,6 +241,8 @@ struct ieee80211_bss_conf { * it can be sent out. * @IEEE80211_TX_INTFL_RETRIED: completely internal to mac80211, * used to indicate that a frame was already retried due to PS + * @IEEE80211_TX_INTFL_DONT_ENCRYPT: completely internal to mac80211, + * used to indicate frame should not be encrypted */ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), @@ -259,6 +261,7 @@ enum mac80211_tx_control_flags { IEEE80211_TX_INTFL_RCALGO = BIT(13), IEEE80211_TX_INTFL_NEED_TXPROCESSING = BIT(14), IEEE80211_TX_INTFL_RETRIED = BIT(15), + IEEE80211_TX_INTFL_DONT_ENCRYPT = BIT(16), }; /** diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 9e5762ad307d9faa55d4bd11400c5d76e7852dcc..1958c7c42cd9e7a1cb49fd79830d1f375dd39b37 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -383,9 +383,6 @@ static void ieee80211_agg_splice_packets(struct ieee80211_local *local, if (!skb_queue_empty(&sta->ampdu_mlme.tid_tx[tid]->pending)) { spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - /* mark queue as pending, it is stopped already */ - __set_bit(IEEE80211_QUEUE_STOP_REASON_PENDING, - &local->queue_stop_reasons[queue]); /* copy over remaining packets */ skb_queue_splice_tail_init( &sta->ampdu_mlme.tid_tx[tid]->pending, diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 6c439cd5ccea8b88e08f2bda65254b0170ba1004..96991b68f048e09dcb440adebfdc22b08212216f 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -175,7 +175,7 @@ static ssize_t queues_read(struct file *file, char __user *user_buf, for (q = 0; q < local->hw.queues; q++) res += sprintf(buf + res, "%02d: %#.8lx/%d\n", q, local->queue_stop_reasons[q], - __netif_subqueue_stopped(local->mdev, q)); + skb_queue_len(&local->pending[q])); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); return simple_read_from_buffer(user_buf, count, ppos, buf, res); diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index a34bca2dc52fdc7154ae55786e1e3c58786e774b..6a0177137dd5b96efb9d17726e7527037400ea7c 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -567,14 +567,9 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_CSA, IEEE80211_QUEUE_STOP_REASON_AGGREGATION, IEEE80211_QUEUE_STOP_REASON_SUSPEND, - IEEE80211_QUEUE_STOP_REASON_PENDING, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, }; -struct ieee80211_master_priv { - struct ieee80211_local *local; -}; - struct ieee80211_local { /* embed the driver visible part. * don't cast (use the static inlines below), but we keep @@ -587,13 +582,20 @@ struct ieee80211_local { /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ spinlock_t queue_stop_reason_lock; - struct net_device *mdev; /* wmaster# - "master" 802.11 device */ int open_count; int monitors, cooked_mntrs; /* number of interfaces with corresponding FIF_ flags */ int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss; unsigned int filter_flags; /* FIF_* */ struct iw_statistics wstats; + + /* protects the aggregated multicast list and filter calls */ + spinlock_t filter_lock; + + /* aggregated multicast list */ + struct dev_addr_list *mc_list; + int mc_count; + bool tim_in_locked_section; /* see ieee80211_beacon_get() */ /* @@ -813,10 +815,6 @@ struct ieee80211_local { static inline struct ieee80211_sub_if_data * IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - - BUG_ON(!local || local->mdev == dev); - return netdev_priv(dev); } @@ -996,7 +994,6 @@ void ieee80211_recalc_idle(struct ieee80211_local *local); /* tx handling */ void ieee80211_clear_tx_pending(struct ieee80211_local *local); void ieee80211_tx_pending(unsigned long data); -int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev); int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev); int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 090aa5a47182c3f3830d5e02fb5ea79baedf359e..2f797a86ced54a1f970e5084c767e3b256a3da9a 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -190,10 +190,6 @@ static int ieee80211_open(struct net_device *dev) ETH_ALEN); } - if (compare_ether_addr(null_addr, local->mdev->dev_addr) == 0) - memcpy(local->mdev->dev_addr, local->hw.wiphy->perm_addr, - ETH_ALEN); - /* * Validate the MAC address for this device. */ @@ -229,9 +225,9 @@ static int ieee80211_open(struct net_device *dev) if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS) local->fif_other_bss++; - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); ieee80211_configure_filter(local); - netif_addr_unlock_bh(local->mdev); + spin_unlock_bh(&local->filter_lock); break; default: conf.vif = &sdata->vif; @@ -243,9 +239,9 @@ static int ieee80211_open(struct net_device *dev) if (ieee80211_vif_is_mesh(&sdata->vif)) { local->fif_other_bss++; - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); ieee80211_configure_filter(local); - netif_addr_unlock_bh(local->mdev); + spin_unlock_bh(&local->filter_lock); ieee80211_start_mesh(sdata); } @@ -279,10 +275,6 @@ static int ieee80211_open(struct net_device *dev) } 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); } @@ -393,7 +385,14 @@ static int ieee80211_stop(struct net_device *dev) if (sdata->flags & IEEE80211_SDATA_PROMISC) atomic_dec(&local->iff_promiscs); - dev_mc_unsync(local->mdev, dev); + netif_addr_lock_bh(dev); + spin_lock_bh(&local->filter_lock); + __dev_addr_unsync(&local->mc_list, &local->mc_count, + &dev->mc_list, &dev->mc_count); + ieee80211_configure_filter(local); + spin_unlock_bh(&local->filter_lock); + netif_addr_unlock_bh(dev); + del_timer_sync(&local->dynamic_ps_timer); cancel_work_sync(&local->dynamic_ps_enable_work); @@ -442,9 +441,9 @@ static int ieee80211_stop(struct net_device *dev) if (sdata->u.mntr_flags & MONITOR_FLAG_OTHER_BSS) local->fif_other_bss--; - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); ieee80211_configure_filter(local); - netif_addr_unlock_bh(local->mdev); + spin_unlock_bh(&local->filter_lock); break; case NL80211_IFTYPE_STATION: del_timer_sync(&sdata->u.mgd.chswitch_timer); @@ -487,9 +486,9 @@ static int ieee80211_stop(struct net_device *dev) local->fif_other_bss--; atomic_dec(&local->iff_allmultis); - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); ieee80211_configure_filter(local); - netif_addr_unlock_bh(local->mdev); + spin_unlock_bh(&local->filter_lock); ieee80211_stop_mesh(sdata); } @@ -535,9 +534,6 @@ static int ieee80211_stop(struct net_device *dev) ieee80211_recalc_ps(local, -1); if (local->open_count == 0) { - if (netif_running(local->mdev)) - dev_close(local->mdev); - drv_stop(local); ieee80211_led_radio(local, false); @@ -584,8 +580,11 @@ static void ieee80211_set_multicast_list(struct net_device *dev) atomic_dec(&local->iff_promiscs); sdata->flags ^= IEEE80211_SDATA_PROMISC; } - - dev_mc_sync(local->mdev, dev); + spin_lock_bh(&local->filter_lock); + __dev_addr_sync(&local->mc_list, &local->mc_count, + &dev->mc_list, &dev->mc_count); + ieee80211_configure_filter(local); + spin_unlock_bh(&local->filter_lock); } /* diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 5b69f5f07299486fef620c445fe8b5e86b637145..3234f3751d22a1a895d815f89078e7810871ceb1 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -83,75 +83,14 @@ void ieee80211_configure_filter(struct ieee80211_local *local) new_flags |= (1<<31); drv_configure_filter(local, changed_flags, &new_flags, - local->mdev->mc_count, - local->mdev->mc_list); + local->mc_count, + local->mc_list); WARN_ON(new_flags & (1<<31)); local->filter_flags = new_flags & ~(1<<31); } -/* 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_master_priv *mpriv = netdev_priv(dev); - struct ieee80211_local *local = mpriv->local; - struct ieee80211_sub_if_data *sdata; - int res = -EOPNOTSUPP; - - /* we hold the RTNL here so can safely walk the list */ - list_for_each_entry(sdata, &local->interfaces, list) { - if (netif_running(sdata->dev)) { - res = 0; - break; - } - } - - if (res) - return res; - - netif_tx_start_all_queues(local->mdev); - - return 0; -} - -static int ieee80211_master_stop(struct net_device *dev) -{ - 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 */ - list_for_each_entry(sdata, &local->interfaces, list) - if (netif_running(sdata->dev)) - dev_close(sdata->dev); - - return 0; -} - -static void ieee80211_master_set_multicast_list(struct net_device *dev) -{ - struct ieee80211_master_priv *mpriv = netdev_priv(dev); - struct ieee80211_local *local = mpriv->local; - - ieee80211_configure_filter(local); -} - int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) { struct ieee80211_channel *chan, *scan_chan; @@ -310,7 +249,6 @@ void ieee80211_tx_status_irqsafe(struct ieee80211_hw *hw, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); int tmp; - skb->dev = local->mdev; skb->pkt_type = IEEE80211_TX_STATUS_MSG; skb_queue_tail(info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS ? &local->skb_queue : &local->skb_queue_unreliable, skb); @@ -716,7 +654,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, mutex_init(&local->scan_mtx); spin_lock_init(&local->key_lock); - + spin_lock_init(&local->filter_lock); spin_lock_init(&local->queue_stop_reason_lock); INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); @@ -752,30 +690,11 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, } EXPORT_SYMBOL(ieee80211_alloc_hw); -static const struct net_device_ops ieee80211_master_ops = { - .ndo_start_xmit = ieee80211_master_start_xmit, - .ndo_open = ieee80211_master_open, - .ndo_stop = ieee80211_master_stop, - .ndo_set_multicast_list = ieee80211_master_set_multicast_list, - .ndo_select_queue = ieee80211_select_queue, -}; - -static void ieee80211_master_setup(struct net_device *mdev) -{ - mdev->type = ARPHRD_IEEE80211; - mdev->netdev_ops = &ieee80211_master_ops; - mdev->header_ops = &ieee80211_header_ops; - mdev->tx_queue_len = 1000; - mdev->addr_len = ETH_ALEN; -} - int ieee80211_register_hw(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); int result; enum ieee80211_band band; - struct net_device *mdev; - struct ieee80211_master_priv *mpriv; int channels, i, j, max_bitrates; bool supp_ht; static const u32 cipher_suites[] = { @@ -874,16 +793,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) if (hw->queues > IEEE80211_MAX_QUEUES) hw->queues = IEEE80211_MAX_QUEUES; - mdev = alloc_netdev_mq(sizeof(struct ieee80211_master_priv), - "wmaster%d", ieee80211_master_setup, - hw->queues); - if (!mdev) - goto fail_mdev_alloc; - - mpriv = netdev_priv(mdev); - mpriv->local = local; - local->mdev = mdev; - local->hw.workqueue = create_singlethread_workqueue(wiphy_name(local->hw.wiphy)); if (!local->hw.workqueue) { @@ -918,17 +827,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) } rtnl_lock(); - result = dev_alloc_name(local->mdev, local->mdev->name); - if (result < 0) - goto fail_dev; - - memcpy(local->mdev->dev_addr, local->hw.wiphy->perm_addr, ETH_ALEN); - SET_NETDEV_DEV(local->mdev, wiphy_dev(local->hw.wiphy)); - local->mdev->features |= NETIF_F_NETNS_LOCAL; - - result = register_netdevice(local->mdev); - if (result < 0) - goto fail_dev; result = ieee80211_init_rate_ctrl_alg(local, hw->rate_control_algorithm); @@ -981,9 +879,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) ieee80211_led_exit(local); ieee80211_remove_interfaces(local); fail_rate: - unregister_netdevice(local->mdev); - local->mdev = NULL; - fail_dev: rtnl_unlock(); ieee80211_wep_free(local); fail_wep: @@ -992,9 +887,6 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) debugfs_hw_del(local); destroy_workqueue(local->hw.workqueue); fail_workqueue: - if (local->mdev) - free_netdev(local->mdev); - fail_mdev_alloc: wiphy_unregister(local->hw.wiphy); fail_wiphy_register: kfree(local->int_scan_req.channels); @@ -1019,13 +911,8 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) * because the driver cannot be handing us frames any * more and the tasklet is killed. */ - - /* First, we remove all virtual interfaces. */ ieee80211_remove_interfaces(local); - /* then, finally, remove the master interface */ - unregister_netdevice(local->mdev); - rtnl_unlock(); ieee80211_clear_tx_pending(local); @@ -1044,7 +931,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) wiphy_unregister(local->hw.wiphy); ieee80211_wep_free(local); ieee80211_led_exit(local); - free_netdev(local->mdev); kfree(local->int_scan_req.channels); } EXPORT_SYMBOL(ieee80211_unregister_hw); diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index 8ac7a984d8865b4c0bd08ae174515f2c48e6affb..b33efc4fc267d4aca2dc5cddead602314f4f36ff 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -287,7 +287,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, struct rate_control_ref *ref, *old; ASSERT_RTNL(); - if (local->open_count || netif_running(local->mdev)) + if (local->open_count) return -EBUSY; ref = rate_control_alloc(name, local); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index b513fb7911538ec158e5844a6ea47b6257a358c9..7f33f775c5df70d1b2da264016f876f438493d51 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -1478,6 +1478,7 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) struct ieee80211s_hdr *mesh_hdr; unsigned int hdrlen; struct sk_buff *skb = rx->skb, *fwd_skb; + struct ieee80211_local *local = rx->local; hdr = (struct ieee80211_hdr *) skb->data; hdrlen = ieee80211_hdrlen(hdr->frame_control); @@ -1520,6 +1521,8 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) dropped_frames_ttl); else { struct ieee80211_hdr *fwd_hdr; + struct ieee80211_tx_info *info; + fwd_skb = skb_copy(skb, GFP_ATOMIC); if (!fwd_skb && net_ratelimit()) @@ -1533,9 +1536,12 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) */ memcpy(fwd_hdr->addr1, fwd_hdr->addr2, ETH_ALEN); memcpy(fwd_hdr->addr2, rx->dev->dev_addr, ETH_ALEN); - fwd_skb->dev = rx->local->mdev; + info = IEEE80211_SKB_CB(fwd_skb); + memset(info, 0, sizeof(*info)); + info->flags |= IEEE80211_TX_INTFL_NEED_TXPROCESSING; fwd_skb->iif = rx->dev->ifindex; - dev_queue_xmit(fwd_skb); + ieee80211_select_queue(local, fwd_skb); + ieee80211_add_pending_skb(local, fwd_skb); } } @@ -1803,8 +1809,7 @@ ieee80211_rx_h_mgmt(struct ieee80211_rx_data *rx) return RX_DROP_MONITOR; } -static void ieee80211_rx_michael_mic_report(struct net_device *dev, - struct ieee80211_hdr *hdr, +static void ieee80211_rx_michael_mic_report(struct ieee80211_hdr *hdr, struct ieee80211_rx_data *rx) { int keyidx; @@ -2114,7 +2119,7 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, } if ((status->flag & RX_FLAG_MMIC_ERROR)) { - ieee80211_rx_michael_mic_report(local->mdev, hdr, &rx); + ieee80211_rx_michael_mic_report(hdr, &rx); return; } @@ -2483,7 +2488,6 @@ void ieee80211_rx_irqsafe(struct ieee80211_hw *hw, struct sk_buff *skb) BUILD_BUG_ON(sizeof(struct ieee80211_rx_status) > sizeof(skb->cb)); - skb->dev = local->mdev; skb->pkt_type = IEEE80211_RX_MSG; skb_queue_tail(&local->skb_queue, skb); tasklet_schedule(&local->tasklet); diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 5f4f7869d050ba57bdc9e40b191acf49bb637412..74820656dc899cbaea6563577955950f5f38eca6 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -294,16 +294,13 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) if (was_hw_scan) goto done; - netif_tx_lock_bh(local->mdev); - netif_addr_lock(local->mdev); + spin_lock_bh(&local->filter_lock); local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC; drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC, &local->filter_flags, - local->mdev->mc_count, - local->mdev->mc_list); - - netif_addr_unlock(local->mdev); - netif_tx_unlock_bh(local->mdev); + local->mc_count, + local->mc_list); + spin_unlock_bh(&local->filter_lock); drv_sw_scan_complete(local); @@ -382,13 +379,13 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) local->scan_state = SCAN_SET_CHANNEL; local->scan_channel_idx = 0; - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); local->filter_flags |= FIF_BCN_PRBRESP_PROMISC; drv_configure_filter(local, FIF_BCN_PRBRESP_PROMISC, &local->filter_flags, - local->mdev->mc_count, - local->mdev->mc_list); - netif_addr_unlock_bh(local->mdev); + local->mc_count, + local->mc_list); + spin_unlock_bh(&local->filter_lock); /* TODO: start scan as soon as all nullfunc frames are ACKed */ queue_delayed_work(local->hw.workqueue, &local->scan_work, diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index f3efd4f16e91968aa32c6d2b7b52a1c6cd9cc39a..7adaeb2c53e8025b26a69c29876753a4319d74bd 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -451,7 +451,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; - if (unlikely(tx->skb->do_not_encrypt)) + if (unlikely(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) tx->key = NULL; else if (tx->sta && (key = rcu_dereference(tx->sta->key))) tx->key = key; @@ -497,7 +497,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) } if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - tx->skb->do_not_encrypt = 1; + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; return TX_CONTINUE; } @@ -774,9 +774,7 @@ static int ieee80211_fragment(struct ieee80211_local *local, memcpy(tmp->cb, skb->cb, sizeof(tmp->cb)); skb_copy_queue_mapping(tmp, skb); tmp->priority = skb->priority; - tmp->do_not_encrypt = skb->do_not_encrypt; tmp->dev = skb->dev; - tmp->iif = skb->iif; /* copy header and data */ memcpy(skb_put(tmp, hdrlen), skb->data, hdrlen); @@ -804,7 +802,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) /* * Warn when submitting a fragmented A-MPDU frame and drop it. - * This scenario is handled in __ieee80211_tx_prepare but extra + * This scenario is handled in ieee80211_tx_prepare but extra * caution taken here as fragmented ampdu may cause Tx stop. */ if (WARN_ON(info->flags & IEEE80211_TX_CTL_AMPDU)) @@ -943,11 +941,12 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, struct ieee80211_radiotap_header *rthdr = (struct ieee80211_radiotap_header *) skb->data; struct ieee80211_supported_band *sband; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len); sband = tx->local->hw.wiphy->bands[tx->channel->band]; - skb->do_not_encrypt = 1; + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; tx->flags &= ~IEEE80211_TX_FRAGMENTED; /* @@ -985,7 +984,7 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, skb_trim(skb, skb->len - FCS_LEN); } if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP) - tx->skb->do_not_encrypt = 0; + info->flags &= ~IEEE80211_TX_INTFL_DONT_ENCRYPT; if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG) tx->flags |= IEEE80211_TX_FRAGMENTED; break; @@ -1018,13 +1017,12 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, * initialises @tx */ static ieee80211_tx_result -__ieee80211_tx_prepare(struct ieee80211_tx_data *tx, - struct sk_buff *skb, - struct net_device *dev) +ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, + struct ieee80211_tx_data *tx, + struct sk_buff *skb) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = sdata->local; struct ieee80211_hdr *hdr; - struct ieee80211_sub_if_data *sdata; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); int hdrlen, tid; u8 *qc, *state; @@ -1032,9 +1030,9 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, memset(tx, 0, sizeof(*tx)); tx->skb = skb; - tx->dev = dev; /* use original interface */ + tx->dev = sdata->dev; /* use original interface */ tx->local = local; - tx->sdata = IEEE80211_DEV_TO_SUB_IF(dev); + tx->sdata = sdata; tx->channel = local->hw.conf.channel; /* * Set this flag (used below to indicate "automatic fragmentation"), @@ -1043,7 +1041,6 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, tx->flags |= IEEE80211_TX_FRAGMENTED; /* process and remove the injection radiotap header */ - sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (unlikely(info->flags & IEEE80211_TX_CTL_INJECTED)) { if (!__ieee80211_parse_tx_radiotap(tx, skb)) return TX_DROP; @@ -1139,50 +1136,28 @@ __ieee80211_tx_prepare(struct ieee80211_tx_data *tx, return TX_CONTINUE; } -/* - * NB: @tx is uninitialised when passed in here - */ -static int ieee80211_tx_prepare(struct ieee80211_local *local, - struct ieee80211_tx_data *tx, - struct sk_buff *skb) -{ - struct net_device *dev; - - dev = dev_get_by_index(&init_net, skb->iif); - if (unlikely(dev && !is_ieee80211_device(local, dev))) { - dev_put(dev); - dev = NULL; - } - if (unlikely(!dev)) - return -ENODEV; - /* - * initialises tx with control - * - * return value is safe to ignore here because this function - * can only be invoked for multicast frames - * - * XXX: clean up - */ - __ieee80211_tx_prepare(tx, skb, dev); - dev_put(dev); - return 0; -} - static int __ieee80211_tx(struct ieee80211_local *local, struct sk_buff **skbp, - struct sta_info *sta) + struct sta_info *sta, + bool txpending) { struct sk_buff *skb = *skbp, *next; struct ieee80211_tx_info *info; + unsigned long flags; int ret, len; bool fragm = false; - local->mdev->trans_start = jiffies; - while (skb) { - if (ieee80211_queue_stopped(&local->hw, - skb_get_queue_mapping(skb))) - return IEEE80211_TX_PENDING; + int q = skb_get_queue_mapping(skb); + + spin_lock_irqsave(&local->queue_stop_reason_lock, flags); + ret = IEEE80211_TX_OK; + if (local->queue_stop_reasons[q] || + (!txpending && !skb_queue_empty(&local->pending[q]))) + ret = IEEE80211_TX_PENDING; + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + if (ret != IEEE80211_TX_OK) + return ret; info = IEEE80211_SKB_CB(skb); @@ -1254,10 +1229,10 @@ static int invoke_tx_handlers(struct ieee80211_tx_data *tx) return 0; } -static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb, - bool txpending) +static void ieee80211_tx(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb, bool txpending) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = sdata->local; struct ieee80211_tx_data tx; ieee80211_tx_result res_prepare; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); @@ -1268,8 +1243,6 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb, queue = skb_get_queue_mapping(skb); - WARN_ON(!txpending && !skb_queue_empty(&local->pending[queue])); - if (unlikely(skb->len < 10)) { dev_kfree_skb(skb); return; @@ -1278,7 +1251,7 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb, rcu_read_lock(); /* initialises tx */ - res_prepare = __ieee80211_tx_prepare(&tx, skb, dev); + res_prepare = ieee80211_tx_prepare(sdata, &tx, skb); if (unlikely(res_prepare == TX_DROP)) { dev_kfree_skb(skb); @@ -1297,7 +1270,7 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb, retries = 0; retry: - ret = __ieee80211_tx(local, &tx.skb, tx.sta); + ret = __ieee80211_tx(local, &tx.skb, tx.sta, txpending); switch (ret) { case IEEE80211_TX_OK: break; @@ -1315,34 +1288,35 @@ static void ieee80211_tx(struct net_device *dev, struct sk_buff *skb, spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - if (__netif_subqueue_stopped(local->mdev, queue)) { + if (local->queue_stop_reasons[queue] || + !skb_queue_empty(&local->pending[queue])) { + /* + * if queue is stopped, queue up frames for later + * transmission from the tasklet + */ do { next = skb->next; skb->next = NULL; if (unlikely(txpending)) - skb_queue_head(&local->pending[queue], - skb); + __skb_queue_head(&local->pending[queue], + skb); else - skb_queue_tail(&local->pending[queue], - skb); + __skb_queue_tail(&local->pending[queue], + skb); } while ((skb = next)); - /* - * Make sure nobody will enable the queue on us - * (without going through the tasklet) nor disable the - * netdev queue underneath the pending handling code. - */ - __set_bit(IEEE80211_QUEUE_STOP_REASON_PENDING, - &local->queue_stop_reasons[queue]); - spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } else { + /* + * otherwise retry, but this is a race condition or + * a driver bug (which we warn about if it persists) + */ spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); retries++; - if (WARN(retries > 10, "tx refused but queue active")) + if (WARN(retries > 10, "tx refused but queue active\n")) goto drop; goto retry; } @@ -1403,14 +1377,13 @@ static int ieee80211_skb_resize(struct ieee80211_local *local, return 0; } -int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) +static void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, + struct sk_buff *skb) { - struct ieee80211_master_priv *mpriv = netdev_priv(dev); - struct ieee80211_local *local = mpriv->local; + struct ieee80211_local *local = sdata->local; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - struct net_device *odev = NULL; - struct ieee80211_sub_if_data *osdata; + struct ieee80211_sub_if_data *tmp_sdata; int headroom; bool may_encrypt; enum { @@ -1419,20 +1392,7 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) UNKNOWN_ADDRESS, } monitor_iface = NOT_MONITOR; - if (skb->iif) - odev = dev_get_by_index(&init_net, skb->iif); - if (unlikely(odev && !is_ieee80211_device(local, odev))) { - dev_put(odev); - odev = NULL; - } - if (unlikely(!odev)) { -#ifdef CONFIG_MAC80211_VERBOSE_DEBUG - printk(KERN_DEBUG "%s: Discarded packet with nonexistent " - "originating device\n", dev->name); -#endif - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } + dev_hold(sdata->dev); if ((local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) && local->hw.conf.dynamic_ps_timeout > 0 && @@ -1448,26 +1408,21 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) msecs_to_jiffies(local->hw.conf.dynamic_ps_timeout)); } - memset(info, 0, sizeof(*info)); - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; - osdata = IEEE80211_DEV_TO_SUB_IF(odev); - - if (ieee80211_vif_is_mesh(&osdata->vif) && + if (ieee80211_vif_is_mesh(&sdata->vif) && ieee80211_is_data(hdr->frame_control)) { if (is_multicast_ether_addr(hdr->addr3)) memcpy(hdr->addr1, hdr->addr3, ETH_ALEN); else - if (mesh_nexthop_lookup(skb, osdata)) { - dev_put(odev); - return NETDEV_TX_OK; + if (mesh_nexthop_lookup(skb, sdata)) { + dev_put(sdata->dev); + return; } - if (memcmp(odev->dev_addr, hdr->addr4, ETH_ALEN) != 0) - IEEE80211_IFSTA_MESH_CTR_INC(&osdata->u.mesh, - fwded_frames); - } else if (unlikely(osdata->vif.type == NL80211_IFTYPE_MONITOR)) { - struct ieee80211_sub_if_data *sdata; + if (memcmp(sdata->dev->dev_addr, hdr->addr4, ETH_ALEN) != 0) + IEEE80211_IFSTA_MESH_CTR_INC(&sdata->u.mesh, + fwded_frames); + } else if (unlikely(sdata->vif.type == NL80211_IFTYPE_MONITOR)) { int hdrlen; u16 len_rthdr; @@ -1491,19 +1446,17 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) */ rcu_read_lock(); - list_for_each_entry_rcu(sdata, &local->interfaces, + list_for_each_entry_rcu(tmp_sdata, &local->interfaces, list) { - if (!netif_running(sdata->dev)) + if (!netif_running(tmp_sdata->dev)) continue; - if (sdata->vif.type != NL80211_IFTYPE_AP) + if (tmp_sdata->vif.type != NL80211_IFTYPE_AP) continue; - if (compare_ether_addr(sdata->dev->dev_addr, + if (compare_ether_addr(tmp_sdata->dev->dev_addr, hdr->addr2)) { - dev_hold(sdata->dev); - dev_put(odev); - osdata = sdata; - odev = osdata->dev; - skb->iif = sdata->dev->ifindex; + dev_hold(tmp_sdata->dev); + dev_put(sdata->dev); + sdata = tmp_sdata; monitor_iface = FOUND_SDATA; break; } @@ -1512,31 +1465,31 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, struct net_device *dev) } } - may_encrypt = !skb->do_not_encrypt; + may_encrypt = !(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT); - headroom = osdata->local->tx_headroom; + headroom = local->tx_headroom; if (may_encrypt) headroom += IEEE80211_ENCRYPT_HEADROOM; headroom -= skb_headroom(skb); headroom = max_t(int, 0, headroom); - if (ieee80211_skb_resize(osdata->local, skb, headroom, may_encrypt)) { + if (ieee80211_skb_resize(local, skb, headroom, may_encrypt)) { dev_kfree_skb(skb); - dev_put(odev); - return NETDEV_TX_OK; + dev_put(sdata->dev); + return; } - if (osdata->vif.type == NL80211_IFTYPE_AP_VLAN) - osdata = container_of(osdata->bss, - struct ieee80211_sub_if_data, - u.ap); + tmp_sdata = sdata; + if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) + tmp_sdata = container_of(sdata->bss, + struct ieee80211_sub_if_data, + u.ap); if (likely(monitor_iface != UNKNOWN_ADDRESS)) - info->control.vif = &osdata->vif; - - ieee80211_tx(odev, skb, false); - dev_put(odev); + info->control.vif = &tmp_sdata->vif; - return NETDEV_TX_OK; + ieee80211_select_queue(local, skb); + ieee80211_tx(sdata, skb, false); + dev_put(sdata->dev); } int ieee80211_monitor_start_xmit(struct sk_buff *skb, @@ -1546,6 +1499,7 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct ieee80211_channel *chan = local->hw.conf.channel; struct ieee80211_radiotap_header *prthdr = (struct ieee80211_radiotap_header *)skb->data; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); u16 len_rthdr; /* @@ -1583,15 +1537,9 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, if (unlikely(skb->len < len_rthdr)) goto fail; /* skb too short for claimed rt header extent */ - skb->dev = local->mdev; - /* needed because we set skb device to master */ skb->iif = dev->ifindex; - /* sometimes we do encrypt injected frames, will be fixed - * up in radiotap parser if not wanted */ - skb->do_not_encrypt = 0; - /* * fix up the pointers accounting for the radiotap * header still being in there. We are being given @@ -1606,8 +1554,10 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, len_rthdr); skb_set_transport_header(skb, len_rthdr); - /* pass the radiotap header up to the next stage intact */ - dev_queue_xmit(skb); + memset(info, 0, sizeof(*info)); + + /* pass the radiotap header up to xmit */ + ieee80211_xmit(IEEE80211_DEV_TO_SUB_IF(dev), skb); return NETDEV_TX_OK; fail: @@ -1635,6 +1585,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); int ret = NETDEV_TX_BUSY, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; __le16 fc; @@ -1864,7 +1815,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, skb->iif = dev->ifindex; - skb->dev = local->mdev; dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; @@ -1875,8 +1825,10 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, skb_set_network_header(skb, nh_pos); skb_set_transport_header(skb, h_pos); + memset(info, 0, sizeof(*info)); + dev->trans_start = jiffies; - dev_queue_xmit(skb); + ieee80211_xmit(sdata, skb); return NETDEV_TX_OK; @@ -1918,7 +1870,6 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local, return true; } - /* validate info->control.vif against skb->iif */ sdata = IEEE80211_DEV_TO_SUB_IF(dev); if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) sdata = container_of(sdata->bss, @@ -1932,12 +1883,13 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local, } if (info->flags & IEEE80211_TX_INTFL_NEED_TXPROCESSING) { - ieee80211_tx(dev, skb, true); + /* do not use sdata, it may have been changed above */ + ieee80211_tx(IEEE80211_DEV_TO_SUB_IF(dev), skb, true); } else { hdr = (struct ieee80211_hdr *)skb->data; sta = sta_info_get(local, hdr->addr1); - ret = __ieee80211_tx(local, &skb, sta); + ret = __ieee80211_tx(local, &skb, sta, true); if (ret != IEEE80211_TX_OK) result = false; } @@ -1949,59 +1901,43 @@ static bool ieee80211_tx_pending_skb(struct ieee80211_local *local, } /* - * Transmit all pending packets. Called from tasklet, locks master device - * TX lock so that no new packets can come in. + * Transmit all pending packets. Called from tasklet. */ void ieee80211_tx_pending(unsigned long data) { struct ieee80211_local *local = (struct ieee80211_local *)data; - struct net_device *dev = local->mdev; unsigned long flags; int i; - bool next; + bool txok; rcu_read_lock(); - netif_tx_lock_bh(dev); + spin_lock_irqsave(&local->queue_stop_reason_lock, flags); for (i = 0; i < local->hw.queues; i++) { /* * If queue is stopped by something other than due to pending * frames, or we have no pending frames, proceed to next queue. */ - spin_lock_irqsave(&local->queue_stop_reason_lock, flags); - next = false; - if (local->queue_stop_reasons[i] != - BIT(IEEE80211_QUEUE_STOP_REASON_PENDING) || + if (local->queue_stop_reasons[i] || skb_queue_empty(&local->pending[i])) - next = true; - spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); - - if (next) continue; - /* - * start the queue now to allow processing our packets, - * we're under the tx lock here anyway so nothing will - * happen as a result of this - */ - netif_start_subqueue(local->mdev, i); - while (!skb_queue_empty(&local->pending[i])) { - struct sk_buff *skb = skb_dequeue(&local->pending[i]); - - if (!ieee80211_tx_pending_skb(local, skb)) { - skb_queue_head(&local->pending[i], skb); + struct sk_buff *skb = __skb_dequeue(&local->pending[i]); + spin_unlock_irqrestore(&local->queue_stop_reason_lock, + flags); + + txok = ieee80211_tx_pending_skb(local, skb); + if (!txok) + __skb_queue_head(&local->pending[i], skb); + spin_lock_irqsave(&local->queue_stop_reason_lock, + flags); + if (!txok) break; - } } - - /* Start regular packet processing again. */ - if (skb_queue_empty(&local->pending[i])) - ieee80211_wake_queue_by_reason(&local->hw, i, - IEEE80211_QUEUE_STOP_REASON_PENDING); } + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); - netif_tx_unlock_bh(dev); rcu_read_unlock(); } @@ -2176,8 +2112,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, info = IEEE80211_SKB_CB(skb); - skb->do_not_encrypt = 1; - + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; info->band = band; /* * XXX: For now, always use the lowest rate @@ -2248,9 +2183,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, sdata = vif_to_sdata(vif); bss = &sdata->u.ap; - if (!bss) - return NULL; - rcu_read_lock(); beacon = rcu_dereference(bss->beacon); @@ -2276,7 +2208,7 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, cpu_to_le16(IEEE80211_FCTL_MOREDATA); } - if (!ieee80211_tx_prepare(local, &tx, skb)) + if (!ieee80211_tx_prepare(sdata, &tx, skb)) break; dev_kfree_skb_any(skb); } @@ -2296,3 +2228,18 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw, return skb; } EXPORT_SYMBOL(ieee80211_get_buffered_bc); + +void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, + int encrypt) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + skb_set_mac_header(skb, 0); + skb_set_network_header(skb, 0); + skb_set_transport_header(skb, 0); + + skb->iif = sdata->dev->ifindex; + if (!encrypt) + info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + + ieee80211_xmit(sdata, skb); +} diff --git a/net/mac80211/util.c b/net/mac80211/util.c index dbf66b52d38cdc3bbc4e536dbd1a4d58f68c68fb..7fc55846d601d6e3eb8cc3db9410eb16ef5fb58a 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -275,16 +275,12 @@ static void __ieee80211_wake_queue(struct ieee80211_hw *hw, int queue, __clear_bit(reason, &local->queue_stop_reasons[queue]); - if (!skb_queue_empty(&local->pending[queue]) && - local->queue_stop_reasons[queue] == - BIT(IEEE80211_QUEUE_STOP_REASON_PENDING)) - tasklet_schedule(&local->tx_pending_tasklet); - if (local->queue_stop_reasons[queue] != 0) /* someone still has this queue stopped */ return; - netif_wake_subqueue(local->mdev, queue); + if (!skb_queue_empty(&local->pending[queue])) + tasklet_schedule(&local->tx_pending_tasklet); } void ieee80211_wake_queue_by_reason(struct ieee80211_hw *hw, int queue, @@ -313,14 +309,6 @@ static void __ieee80211_stop_queue(struct ieee80211_hw *hw, int queue, if (WARN_ON(queue >= hw->queues)) return; - /* - * Only stop if it was previously running, this is necessary - * for correct pending packets handling because there we may - * start (but not wake) the queue and rely on that. - */ - if (!local->queue_stop_reasons[queue]) - netif_stop_subqueue(local->mdev, queue); - __set_bit(reason, &local->queue_stop_reasons[queue]); } @@ -351,8 +339,7 @@ void ieee80211_add_pending_skb(struct ieee80211_local *local, spin_lock_irqsave(&local->queue_stop_reason_lock, flags); __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); - __ieee80211_stop_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_PENDING); - skb_queue_tail(&local->pending[queue], skb); + __skb_queue_tail(&local->pending[queue], skb); __ieee80211_wake_queue(hw, queue, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); } @@ -373,16 +360,12 @@ int ieee80211_add_pending_skbs(struct ieee80211_local *local, while ((skb = skb_dequeue(skbs))) { ret++; queue = skb_get_queue_mapping(skb); - skb_queue_tail(&local->pending[queue], skb); + __skb_queue_tail(&local->pending[queue], skb); } - for (i = 0; i < hw->queues; i++) { - if (ret) - __ieee80211_stop_queue(hw, i, - IEEE80211_QUEUE_STOP_REASON_PENDING); + for (i = 0; i < hw->queues; i++) __ieee80211_wake_queue(hw, i, IEEE80211_QUEUE_STOP_REASON_SKB_ADD); - } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); return ret; @@ -413,11 +396,16 @@ EXPORT_SYMBOL(ieee80211_stop_queues); int ieee80211_queue_stopped(struct ieee80211_hw *hw, int queue) { struct ieee80211_local *local = hw_to_local(hw); + unsigned long flags; + int ret; if (WARN_ON(queue >= hw->queues)) return true; - return __netif_subqueue_stopped(local->mdev, queue); + spin_lock_irqsave(&local->queue_stop_reason_lock, flags); + ret = !!local->queue_stop_reasons[queue]; + spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + return ret; } EXPORT_SYMBOL(ieee80211_queue_stopped); @@ -761,20 +749,6 @@ void ieee80211_sta_def_wmm_params(struct ieee80211_sub_if_data *sdata, ieee80211_set_wmm_default(sdata); } -void ieee80211_tx_skb(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, - int encrypt) -{ - skb->dev = sdata->local->mdev; - skb_set_mac_header(skb, 0); - skb_set_network_header(skb, 0); - skb_set_transport_header(skb, 0); - - skb->iif = sdata->dev->ifindex; - skb->do_not_encrypt = !encrypt; - - dev_queue_xmit(skb); -} - u32 ieee80211_mandatory_rates(struct ieee80211_local *local, enum ieee80211_band band) { @@ -1049,9 +1023,9 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* reconfigure hardware */ ieee80211_hw_config(local, ~0); - netif_addr_lock_bh(local->mdev); + spin_lock_bh(&local->filter_lock); ieee80211_configure_filter(local); - netif_addr_unlock_bh(local->mdev); + spin_unlock_bh(&local->filter_lock); /* Finally also reconfigure all the BSS information */ list_for_each_entry(sdata, &local->interfaces, list) { diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 116a923b14d621e1043b1cb07a5cecaf755039aa..b19b7696f3a2a7dc98445694522db8ef25c101df 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -85,10 +85,8 @@ static u16 classify80211(struct ieee80211_local *local, struct sk_buff *skb) return ieee802_1d_to_ac[skb->priority]; } -u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb) +void ieee80211_select_queue(struct ieee80211_local *local, struct sk_buff *skb) { - struct ieee80211_master_priv *mpriv = netdev_priv(dev); - struct ieee80211_local *local = mpriv->local; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; u16 queue; u8 tid; @@ -113,5 +111,5 @@ u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb) *p = 0; } - return queue; + skb_set_queue_mapping(skb, queue); } diff --git a/net/mac80211/wme.h b/net/mac80211/wme.h index 7520d2e014dce1f83deec7fc628ca20cc2beadfd..d4fd87ca51184764a3c6085496e4e4a04686d8f1 100644 --- a/net/mac80211/wme.h +++ b/net/mac80211/wme.h @@ -20,6 +20,7 @@ extern const int ieee802_1d_to_ac[8]; -u16 ieee80211_select_queue(struct net_device *dev, struct sk_buff *skb); +void ieee80211_select_queue(struct ieee80211_local *local, + struct sk_buff *skb); #endif /* _WME_H */