Dave, A rather large set of patches to fix some of the problems that have been festering in Linus's tree for the last week or so...I apologize for my absence while I dallied in sunny Ottawa... Please let me know if there are problems! Thanks, John --- Individual patches are available here: http://www.kernel.org/pub/linux/kernel/people/linville/wireless-2.6/ --- The following changes since commit 281c7413ed914623d3245299a4761b6b27ab9fdb: David S. Miller (1): Merge branch 'master' of master.kernel.org:/.../torvalds/linux-2.6 are available in the git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6.git master Andrew Morton (1): drivers/net/wireless/iwlwifi/iwl-led.c: printk fix Bob Copeland (2): ath5k: use positive logic for HP laptop LEDs ath5k: fix recursive locking in ath5k_beacon_update Brian Cavagnolo (1): libertas: check bounds and only use decimal for sysfs persistent features. Denis V. Lunev (2): iwlwifi: compilation error when CONFIG_IWLWIFI_DEBUG is not set iwlwifi: small compile warnings without CONFIG_IWLWIFI_DEBUG Harvey Harrison (1): mac80211: fix sparse integer as NULL pointer warning Henrique de Moraes Holschuh (5): rfkill: document rfkill_force_state as required (v2) rfkill: fix led-trigger unregister order in error unwind rfkill: document the rfkill struct locking (v2) rfkill: mutex fixes rfkill: yet more minor kernel-doc fixes Ivo van Doorn (6): rt2x00: Remove duplicate declaration rt2x00: Fix EIFS timing value rt2x00: Fix QOS sequence counting rt2x00: Fix memleak when RTS/CTS fails rt2x00: Force full register config after start() rt2x00: Clear queue entry flags during initialization Iwo Mergler (3): rt2x00: Support for large vendor requests rt2x00: Large vendor requests for rt73usb firmware upload and beacons rt2x00: Fix the beacon length bug Jeremy Fitzhardinge (1): mac80211: return correct error return from ieee80211_wep_init Jiri Slaby (6): Ath5k: fix memory corruption Ath5k: kill tasklets on shutdown Ath5k: flush work Ath5k: fix dma operation Ath5k: suspend/resume fixes mac80211: tx, use dev_kfree_skb_any for beacon_get Johannes Berg (4): mac80211: remove IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE flag mac80211: partially fix skb->cb use nl80211: fix dump callbacks mac80211: fix cfg80211 hooks for master interface Julia Lawall (2): drivers/net/wireless/ipw2100.c: Release mutex in error handling code b43legacy: Release mutex in error handling code Larry Finger (2): rtl8187: Fix for TX sequence number problem rtl8187: Improve wireless statistics for RTL8187B Luis Carlos Cobo (1): mac80211: fix mesh beaconing Pavel Roskin (1): ath5k: don't enable MSI, we cannot handle it yet Rami Rosen (2): iwl-3945: add #ifdef CONFIG_IWL3945_LEDS to avoid compile warning. mac80211: append CONFIG_ to MAC80211_VERBOSE_PS_DEBUG in net/mac80211/tx.c. Vegard Nossum (1): PS3: gelic: use unsigned long for irqflags Documentation/rfkill.txt | 20 ++- drivers/net/ps3_gelic_wireless.c | 12 +- drivers/net/wireless/ath5k/base.c | 99 ++++++---- drivers/net/wireless/ath5k/base.h | 2 +- drivers/net/wireless/ath5k/hw.c | 4 + drivers/net/wireless/b43/main.c | 3 +- drivers/net/wireless/b43/xmit.c | 2 +- drivers/net/wireless/b43legacy/main.c | 5 +- drivers/net/wireless/b43legacy/xmit.c | 2 +- drivers/net/wireless/ipw2100.c | 3 +- drivers/net/wireless/iwlwifi/iwl-3945.c | 2 + drivers/net/wireless/iwlwifi/iwl-core.c | 3 +- drivers/net/wireless/iwlwifi/iwl-debug.h | 8 +- drivers/net/wireless/iwlwifi/iwl-led.c | 4 +- drivers/net/wireless/iwlwifi/iwl-scan.c | 2 + drivers/net/wireless/iwlwifi/iwl-tx.c | 2 +- drivers/net/wireless/iwlwifi/iwl3945-base.c | 5 +- drivers/net/wireless/libertas/persistcfg.c | 30 ++-- drivers/net/wireless/mac80211_hwsim.c | 2 +- drivers/net/wireless/rt2x00/rt2500usb.c | 13 ++- drivers/net/wireless/rt2x00/rt2x00.h | 6 +- drivers/net/wireless/rt2x00/rt2x00config.c | 2 +- drivers/net/wireless/rt2x00/rt2x00dev.c | 7 +- drivers/net/wireless/rt2x00/rt2x00lib.h | 7 - drivers/net/wireless/rt2x00/rt2x00mac.c | 29 ++-- drivers/net/wireless/rt2x00/rt2x00queue.c | 36 ++++- drivers/net/wireless/rt2x00/rt2x00queue.h | 2 + drivers/net/wireless/rt2x00/rt2x00usb.c | 32 +++ drivers/net/wireless/rt2x00/rt2x00usb.h | 22 ++- drivers/net/wireless/rt2x00/rt61pci.c | 4 +- drivers/net/wireless/rt2x00/rt73usb.c | 56 +++---- drivers/net/wireless/rtl8187.h | 11 +- drivers/net/wireless/rtl8187_dev.c | 93 ++++++--- drivers/net/wireless/zd1211rw/zd_mac.c | 1 - include/linux/rfkill.h | 8 +- include/linux/skbuff.h | 5 +- include/net/mac80211.h | 7 - net/core/skbuff.c | 3 + net/mac80211/cfg.c | 103 +++++++++-- net/mac80211/main.c | 12 +- net/mac80211/mlme.c | 9 +- net/mac80211/tx.c | 55 +++--- net/mac80211/wep.c | 4 +- net/mac80211/wme.c | 3 + net/rfkill/rfkill.c | 62 ++++--- net/wireless/nl80211.c | 277 +++++++++++++++------------ 46 files changed, 674 insertions(+), 405 deletions(-) diff --git a/Documentation/rfkill.txt b/Documentation/rfkill.txt index 0843ed0..28b6ec8 100644 --- a/Documentation/rfkill.txt +++ b/Documentation/rfkill.txt @@ -390,9 +390,10 @@ rfkill lines are inactive, it must return RFKILL_STATE_SOFT_BLOCKED if its soft rfkill input line is active. Only if none of the rfkill input lines are active, will it return RFKILL_STATE_UNBLOCKED. -If it doesn't implement the get_state() hook, it must make sure that its calls -to rfkill_force_state() are enough to keep the status always up-to-date, and it -must do a rfkill_force_state() on resume from sleep. +Since the device has a hardware rfkill line, it IS subject to state changes +external to rfkill. Therefore, the driver must make sure that it calls +rfkill_force_state() to keep the status always up-to-date, and it must do a +rfkill_force_state() on resume from sleep. Every time the driver gets a notification from the card that one of its rfkill lines changed state (polling might be needed on badly designed cards that don't @@ -422,13 +423,24 @@ of the hardware is unknown), or read-write (where the hardware can be queried about its current state). The rfkill class will call the get_state hook of a device every time it needs -to know the *real* current state of the hardware. This can happen often. +to know the *real* current state of the hardware. This can happen often, but +it does not do any polling, so it is not enough on hardware that is subject +to state changes outside of the rfkill subsystem. + +Therefore, calling rfkill_force_state() when a state change happens is +mandatory when the device has a hardware rfkill line, or when something else +like the firmware could cause its state to be changed without going through the +rfkill class. Some hardware provides events when its status changes. In these cases, it is best for the driver to not provide a get_state hook, and instead register the rfkill class *already* with the correct status, and keep it updated using rfkill_force_state() when it gets an event from the hardware. +rfkill_force_state() must be used on the device resume handlers to update the +rfkill status, should there be any chance of the device status changing during +the sleep. + There is no provision for a statically-allocated rfkill struct. You must use rfkill_allocate() to allocate one. diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index 6b2dee0..a834b52 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -1024,7 +1024,7 @@ static int gelic_wl_set_encode(struct net_device *netdev, struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); struct iw_point *enc = &data->encoding; __u16 flags; - unsigned int irqflag; + unsigned long irqflag; int key_index, index_specified; int ret = 0; @@ -1097,7 +1097,7 @@ static int gelic_wl_get_encode(struct net_device *netdev, { struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); struct iw_point *enc = &data->encoding; - unsigned int irqflag; + unsigned long irqflag; unsigned int key_index, index_specified; int ret = 0; @@ -1215,7 +1215,7 @@ static int gelic_wl_set_encodeext(struct net_device *netdev, struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; __u16 alg; __u16 flags; - unsigned int irqflag; + unsigned long irqflag; int key_index; int ret = 0; @@ -1303,7 +1303,7 @@ static int gelic_wl_get_encodeext(struct net_device *netdev, struct gelic_wl_info *wl = port_wl(netdev_priv(netdev)); struct iw_point *enc = &data->encoding; struct iw_encode_ext *ext = (struct iw_encode_ext *)extra; - unsigned int irqflag; + unsigned long irqflag; int key_index; int ret = 0; int max_key_len; @@ -1426,7 +1426,7 @@ static int gelic_wl_priv_set_psk(struct net_device *net_dev, { struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); unsigned int len; - unsigned int irqflag; + unsigned long irqflag; int ret = 0; pr_debug("%s:<- len=%d\n", __func__, data->data.length); @@ -1467,7 +1467,7 @@ static int gelic_wl_priv_get_psk(struct net_device *net_dev, { struct gelic_wl_info *wl = port_wl(netdev_priv(net_dev)); char *p; - unsigned int irqflag; + unsigned long irqflag; unsigned int i; pr_debug("%s:<-\n", __func__); diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index d9769c5..ff3fad7 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -43,7 +43,9 @@ #include <linux/version.h> #include <linux/module.h> #include <linux/delay.h> +#include <linux/hardirq.h> #include <linux/if.h> +#include <linux/io.h> #include <linux/netdevice.h> #include <linux/cache.h> #include <linux/pci.h> @@ -471,9 +473,6 @@ ath5k_pci_probe(struct pci_dev *pdev, /* Set private data */ pci_set_drvdata(pdev, hw); - /* Enable msi for devices that support it */ - pci_enable_msi(pdev); - /* Setup interrupt handler */ ret = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc); if (ret) { @@ -551,7 +550,6 @@ err_ah: err_irq: free_irq(pdev->irq, sc); err_free: - pci_disable_msi(pdev); ieee80211_free_hw(hw); err_map: pci_iounmap(pdev, mem); @@ -573,7 +571,6 @@ ath5k_pci_remove(struct pci_dev *pdev) ath5k_detach(pdev, hw); ath5k_hw_detach(sc->ah); free_irq(pdev->irq, sc); - pci_disable_msi(pdev); pci_iounmap(pdev, sc->iobase); pci_release_region(pdev, 0); pci_disable_device(pdev); @@ -590,6 +587,9 @@ ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state) ath5k_led_off(sc); ath5k_stop_hw(sc); + + free_irq(pdev->irq, sc); + pci_disable_msi(pdev); pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); @@ -605,15 +605,12 @@ ath5k_pci_resume(struct pci_dev *pdev) struct ath5k_hw *ah = sc->ah; int i, err; - err = pci_set_power_state(pdev, PCI_D0); - if (err) - return err; + pci_restore_state(pdev); err = pci_enable_device(pdev); if (err) return err; - pci_restore_state(pdev); /* * Suspend/Resume resets the PCI configuration space, so we have to * re-disable the RETRY_TIMEOUT register (0x41) to keep @@ -621,7 +618,17 @@ ath5k_pci_resume(struct pci_dev *pdev) */ pci_write_config_byte(pdev, 0x41, 0); - ath5k_init(sc); + pci_enable_msi(pdev); + + err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc); + if (err) { + ATH5K_ERR(sc, "request_irq failed\n"); + goto err_msi; + } + + err = ath5k_init(sc); + if (err) + goto err_irq; ath5k_led_enable(sc); /* @@ -635,6 +642,12 @@ ath5k_pci_resume(struct pci_dev *pdev) ath5k_hw_reset_key(ah, i); return 0; +err_irq: + free_irq(pdev->irq, sc); +err_msi: + pci_disable_msi(pdev); + pci_disable_device(pdev); + return err; } #endif /* CONFIG_PM */ @@ -1224,7 +1237,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) pktlen = skb->len; - if (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)) { + if (info->control.hw_key) { keyidx = info->control.hw_key->hw_key_idx; pktlen += info->control.icv_len; } @@ -1249,6 +1262,7 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) txq->link = &ds->ds_link; ath5k_hw_tx_start(ah, txq->qnum); + mmiowb(); spin_unlock_bh(&txq->lock); return 0; @@ -1583,7 +1597,6 @@ ath5k_rx_stop(struct ath5k_softc *sc) ath5k_hw_stop_pcu_recv(ah); /* disable PCU */ ath5k_hw_set_rx_filter(ah, 0); /* clear recv filter */ ath5k_hw_stop_rx_dma(ah); /* disable DMA engine */ - mdelay(3); /* 3ms is long enough for 1 frame */ ath5k_debug_printrxbuffs(sc, ah); @@ -1682,31 +1695,44 @@ ath5k_tasklet_rx(unsigned long data) struct ath5k_rx_status rs = {}; struct sk_buff *skb; struct ath5k_softc *sc = (void *)data; - struct ath5k_buf *bf; + struct ath5k_buf *bf, *bf_last; struct ath5k_desc *ds; int ret; int hdrlen; int pad; spin_lock(&sc->rxbuflock); + if (list_empty(&sc->rxbuf)) { + ATH5K_WARN(sc, "empty rx buf pool\n"); + goto unlock; + } + bf_last = list_entry(sc->rxbuf.prev, struct ath5k_buf, list); do { rxs.flag = 0; - if (unlikely(list_empty(&sc->rxbuf))) { - ATH5K_WARN(sc, "empty rx buf pool\n"); - break; - } bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list); BUG_ON(bf->skb == NULL); skb = bf->skb; ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); - - if (unlikely(ds->ds_link == bf->daddr)) /* this is the end */ - break; + /* + * last buffer must not be freed to ensure proper hardware + * function. When the hardware finishes also a packet next to + * it, we are sure, it doesn't use it anymore and we can go on. + */ + if (bf_last == bf) + bf->flags |= 1; + if (bf->flags) { + struct ath5k_buf *bf_next = list_entry(bf->list.next, + struct ath5k_buf, list); + ret = sc->ah->ah_proc_rx_desc(sc->ah, bf_next->desc, + &rs); + if (ret) + break; + bf->flags &= ~1; + /* skip the overwritten one (even status is martian) */ + goto next; + } ret = sc->ah->ah_proc_rx_desc(sc->ah, ds, &rs); if (unlikely(ret == -EINPROGRESS)) @@ -1752,8 +1778,6 @@ ath5k_tasklet_rx(unsigned long data) goto next; } accept: - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, - rs.rs_datalen, PCI_DMA_FROMDEVICE); pci_unmap_single(sc->pdev, bf->skbaddr, sc->rxbufsize, PCI_DMA_FROMDEVICE); bf->skb = NULL; @@ -1816,6 +1840,7 @@ accept: next: list_move_tail(&bf->list, &sc->rxbuf); } while (ath5k_rxbuf_setup(sc, bf) == 0); +unlock: spin_unlock(&sc->rxbuflock); } @@ -1840,9 +1865,6 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) list_for_each_entry_safe(bf, bf0, &txq->q, list) { ds = bf->desc; - /* TODO only one segment */ - pci_dma_sync_single_for_cpu(sc->pdev, sc->desc_daddr, - sc->desc_len, PCI_DMA_FROMDEVICE); ret = sc->ah->ah_proc_tx_desc(sc->ah, ds, &ts); if (unlikely(ret == -EINPROGRESS)) break; @@ -2015,8 +2037,6 @@ ath5k_beacon_send(struct ath5k_softc *sc) ATH5K_WARN(sc, "beacon queue %u didn't stop?\n", sc->bhalq); /* NB: hw still stops DMA, so proceed */ } - pci_dma_sync_single_for_cpu(sc->pdev, bf->skbaddr, bf->skb->len, - PCI_DMA_TODEVICE); ath5k_hw_put_tx_buf(ah, sc->bhalq, bf->daddr); ath5k_hw_tx_start(ah, sc->bhalq); @@ -2240,6 +2260,7 @@ ath5k_init(struct ath5k_softc *sc) ret = 0; done: + mmiowb(); mutex_unlock(&sc->lock); return ret; } @@ -2272,6 +2293,7 @@ ath5k_stop_locked(struct ath5k_softc *sc) if (!test_bit(ATH_STAT_INVALID, sc->status)) { ath5k_led_off(sc); ath5k_hw_set_intr(ah, 0); + synchronize_irq(sc->pdev->irq); } ath5k_txq_cleanup(sc); if (!test_bit(ATH_STAT_INVALID, sc->status)) { @@ -2321,9 +2343,13 @@ ath5k_stop_hw(struct ath5k_softc *sc) } } ath5k_txbuf_free(sc, sc->bbuf); + mmiowb(); mutex_unlock(&sc->lock); del_timer_sync(&sc->calib_tim); + tasklet_kill(&sc->rxtq); + tasklet_kill(&sc->txtq); + tasklet_kill(&sc->restq); return ret; } @@ -2550,8 +2576,6 @@ ath5k_init_leds(struct ath5k_softc *sc) struct pci_dev *pdev = sc->pdev; char name[ATH5K_LED_MAX_NAME_LEN + 1]; - sc->led_on = 0; /* active low */ - /* * Auto-enable soft led processing for IBM cards and for * 5211 minipci cards. @@ -2560,11 +2584,13 @@ ath5k_init_leds(struct ath5k_softc *sc) pdev->device == PCI_DEVICE_ID_ATHEROS_AR5211) { __set_bit(ATH_STAT_LEDSOFT, sc->status); sc->led_pin = 0; + sc->led_on = 0; /* active low */ } /* Enable softled on PIN1 on HP Compaq nc6xx, nc4000 & nx5000 laptops */ if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ) { __set_bit(ATH_STAT_LEDSOFT, sc->status); sc->led_pin = 1; + sc->led_on = 1; /* active high */ } if (!test_bit(ATH_STAT_LEDSOFT, sc->status)) goto out; @@ -2783,6 +2809,7 @@ ath5k_config_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, /* XXX: assoc id is set to 0 for now, mac80211 doesn't have * a clean way of letting us retrieve this yet. */ ath5k_hw_set_associd(ah, ah->ah_bssid, 0); + mmiowb(); } if (conf->changed & IEEE80211_IFCC_BEACON && @@ -2971,6 +2998,7 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, } unlock: + mmiowb(); mutex_unlock(&sc->lock); return ret; } @@ -3032,8 +3060,6 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) ath5k_debug_dump_skb(sc, skb, "BC ", 1); - mutex_lock(&sc->lock); - if (sc->opmode != IEEE80211_IF_TYPE_IBSS) { ret = -EIO; goto end; @@ -3044,11 +3070,12 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct sk_buff *skb) ret = ath5k_beacon_setup(sc, sc->bbuf); if (ret) sc->bbuf->skb = NULL; - else + else { ath5k_beacon_config(sc); + mmiowb(); + } end: - mutex_unlock(&sc->lock); return ret; } diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h index 47f414b..d7e03e6 100644 --- a/drivers/net/wireless/ath5k/base.h +++ b/drivers/net/wireless/ath5k/base.h @@ -56,7 +56,7 @@ struct ath5k_buf { struct list_head list; - unsigned int flags; /* tx descriptor flags */ + unsigned int flags; /* rx descriptor flags */ struct ath5k_desc *desc; /* virtual addr of desc */ dma_addr_t daddr; /* physical addr of desc */ struct sk_buff *skb; /* skbuff for buf */ diff --git a/drivers/net/wireless/ath5k/hw.c b/drivers/net/wireless/ath5k/hw.c index c6d12c5..7ca87a5 100644 --- a/drivers/net/wireless/ath5k/hw.c +++ b/drivers/net/wireless/ath5k/hw.c @@ -1440,6 +1440,7 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue) /* Stop queue */ ath5k_hw_reg_write(ah, tx_queue, AR5K_CR); + ath5k_hw_reg_read(ah, AR5K_CR); } else { /* * Schedule TX disable and wait until queue is empty @@ -1456,6 +1457,8 @@ int ath5k_hw_stop_tx_dma(struct ath5k_hw *ah, unsigned int queue) /* Clear register */ ath5k_hw_reg_write(ah, 0, AR5K_QCU_TXD); + if (pending) + return -EBUSY; } /* TODO: Check for success else return error */ @@ -1716,6 +1719,7 @@ enum ath5k_int ath5k_hw_set_intr(struct ath5k_hw *ah, enum ath5k_int new_mask) /* ..re-enable interrupts */ ath5k_hw_reg_write(ah, AR5K_IER_ENABLE, AR5K_IER); + ath5k_hw_reg_read(ah, AR5K_IER); return old_mask; } diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index e78319a..3bf3a86 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -4645,8 +4645,7 @@ static int b43_wireless_init(struct ssb_device *dev) } /* fill hw info */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_RX_INCLUDES_FCS | + hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c index 8d54502..9dda816 100644 --- a/drivers/net/wireless/b43/xmit.c +++ b/drivers/net/wireless/b43/xmit.c @@ -192,7 +192,7 @@ int b43_generate_txhdr(struct b43_wldev *dev, const struct b43_phy *phy = &dev->phy; const struct ieee80211_hdr *wlhdr = (const struct ieee80211_hdr *)fragment_data; - int use_encryption = (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)); + int use_encryption = !!info->control.hw_key; __le16 fctl = wlhdr->frame_control; struct ieee80211_rate *fbrate; u8 rate, rate_fb; diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index a1b8bf3..2541c81 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -3702,8 +3702,7 @@ static int b43legacy_wireless_init(struct ssb_device *dev) } /* fill hw info */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_RX_INCLUDES_FCS | + hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; hw->queues = 1; /* FIXME: hardware has more queues */ @@ -3846,10 +3845,10 @@ static int b43legacy_resume(struct ssb_device *dev) goto out; } } - mutex_unlock(&wl->mutex); b43legacydbg(wl, "Device resumed.\n"); out: + mutex_unlock(&wl->mutex); return err; } diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c index e969ed8..68e1f8c 100644 --- a/drivers/net/wireless/b43legacy/xmit.c +++ b/drivers/net/wireless/b43legacy/xmit.c @@ -192,7 +192,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev, u16 cookie) { const struct ieee80211_hdr *wlhdr; - int use_encryption = (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)); + int use_encryption = !!info->control.hw_key; u16 fctl; u8 rate; struct ieee80211_rate *rate_fb; diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c index 5bf9e00..c6f886e 100644 --- a/drivers/net/wireless/ipw2100.c +++ b/drivers/net/wireless/ipw2100.c @@ -6442,6 +6442,7 @@ static int ipw2100_resume(struct pci_dev *pci_dev) if (err) { printk(KERN_ERR "%s: pci_enable_device failed on resume\n", dev->name); + mutex_unlock(&priv->action_mutex); return err; } pci_restore_state(pci_dev); @@ -7146,7 +7147,7 @@ static int ipw2100_wx_get_rate(struct net_device *dev, err = ipw2100_get_ordinal(priv, IPW_ORD_CURRENT_TX_RATE, &val, &len); if (err) { IPW_DEBUG_WX("failed querying ordinals.\n"); - return err; + goto done; } switch (val & TX_RATE_MASK) { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index c2a7678..a51e0ea 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -630,7 +630,9 @@ static void iwl3945_pass_packet_to_mac80211(struct iwl3945_priv *priv, struct ieee80211_rx_status *stats) { struct iwl3945_rx_packet *pkt = (struct iwl3945_rx_packet *)rxb->skb->data; +#ifdef CONFIG_IWL3945_LEDS struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)IWL_RX_DATA(pkt); +#endif struct iwl3945_rx_frame_hdr *rx_hdr = IWL_RX_HDR(pkt); struct iwl3945_rx_frame_end *rx_end = IWL_RX_END(pkt); short len = le16_to_cpu(rx_hdr->len); diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c index a44188b..e3427c2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-core.c +++ b/drivers/net/wireless/iwlwifi/iwl-core.c @@ -818,8 +818,7 @@ int iwl_setup_mac(struct iwl_priv *priv) hw->rate_control_algorithm = "iwl-4965-rs"; /* Tell mac80211 our characteristics */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_SIGNAL_DBM | + hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; /* Default value; 4 EDCA QOS priorities */ hw->queues = 4; diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h index 5838480..d6d729e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-debug.h +++ b/drivers/net/wireless/iwlwifi/iwl-debug.h @@ -68,12 +68,8 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv); #endif #else -static inline void IWL_DEBUG(int level, const char *fmt, ...) -{ -} -static inline void IWL_DEBUG_LIMIT(int level, const char *fmt, ...) -{ -} +#define IWL_DEBUG(level, fmt, args...) +#define IWL_DEBUG_LIMIT(level, fmt, args...) #endif /* CONFIG_IWLWIFI_DEBUG */ diff --git a/drivers/net/wireless/iwlwifi/iwl-led.c b/drivers/net/wireless/iwlwifi/iwl-led.c index 899d7a2..61250e6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-led.c +++ b/drivers/net/wireless/iwlwifi/iwl-led.c @@ -268,7 +268,9 @@ static int iwl_get_blink_rate(struct iwl_priv *priv) if (tpt < 0) /* wrapparound */ tpt = -tpt; - IWL_DEBUG_LED("tpt %lld current_tpt %lld\n", tpt, current_tpt); + IWL_DEBUG_LED("tpt %lld current_tpt %llu\n", + (long long)tpt, + (unsigned long long)current_tpt); priv->led_tpt = current_tpt; if (!priv->allow_blinking) diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c index efc750d..5a00ac2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-scan.c +++ b/drivers/net/wireless/iwlwifi/iwl-scan.c @@ -270,6 +270,7 @@ static void iwl_rx_scan_results_notif(struct iwl_priv *priv, static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) { +#ifdef CONFIG_IWLWIFI_DEBUG struct iwl_rx_packet *pkt = (struct iwl_rx_packet *)rxb->skb->data; struct iwl_scancomplete_notification *scan_notif = (void *)pkt->u.raw; @@ -277,6 +278,7 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv, scan_notif->scanned_channels, scan_notif->tsf_low, scan_notif->tsf_high, scan_notif->status); +#endif /* The HW is no longer scanning */ clear_bit(STATUS_SCAN_HW, &priv->status); diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index 9b50b10..f72cd0b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -906,7 +906,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb) * first entry */ iwl_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); - if (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)) + if (info->control.hw_key) iwl_tx_cmd_build_hwcrypto(priv, info, tx_cmd, skb, sta_id); /* Set up TFD's 2nd entry to point directly to remainder of skb, diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 4a22d3f..7c82ecf 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -2667,7 +2667,7 @@ static int iwl3945_tx_skb(struct iwl3945_priv *priv, struct sk_buff *skb) * first entry */ iwl3945_hw_txq_attach_buf_to_tfd(priv, tfd, txcmd_phys, len); - if (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)) + if (info->control.hw_key) iwl3945_build_tx_cmd_hwcrypto(priv, info, out_cmd, skb, 0); /* Set up TFD's 2nd entry to point directly to remainder of skb, @@ -7899,8 +7899,7 @@ static int iwl3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *e priv->ibss_beacon = NULL; /* Tell mac80211 our characteristics */ - hw->flags = IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | - IEEE80211_HW_SIGNAL_DBM | + hw->flags = IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; /* 4 EDCA QOS priorities */ diff --git a/drivers/net/wireless/libertas/persistcfg.c b/drivers/net/wireless/libertas/persistcfg.c index 6d0ff8d..3309a9c 100644 --- a/drivers/net/wireless/libertas/persistcfg.c +++ b/drivers/net/wireless/libertas/persistcfg.c @@ -48,7 +48,7 @@ static ssize_t bootflag_get(struct device *dev, if (ret) return ret; - return snprintf(buf, 12, "0x%x\n", le32_to_cpu(defs.bootflag)); + return snprintf(buf, 12, "%d\n", le32_to_cpu(defs.bootflag)); } /** @@ -63,8 +63,8 @@ static ssize_t bootflag_set(struct device *dev, struct device_attribute *attr, int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%x", &datum); - if (ret != 1) + ret = sscanf(buf, "%d", &datum); + if ((ret != 1) || (datum > 1)) return -EINVAL; *((__le32 *)&cmd.data[0]) = cpu_to_le32(!!datum); @@ -91,7 +91,7 @@ static ssize_t boottime_get(struct device *dev, if (ret) return ret; - return snprintf(buf, 12, "0x%x\n", defs.boottime); + return snprintf(buf, 12, "%d\n", defs.boottime); } /** @@ -106,8 +106,8 @@ static ssize_t boottime_set(struct device *dev, int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%x", &datum); - if (ret != 1) + ret = sscanf(buf, "%d", &datum); + if ((ret != 1) || (datum > 255)) return -EINVAL; /* A too small boot time will result in the device booting into @@ -143,7 +143,7 @@ static ssize_t channel_get(struct device *dev, if (ret) return ret; - return snprintf(buf, 12, "0x%x\n", le16_to_cpu(defs.channel)); + return snprintf(buf, 12, "%d\n", le16_to_cpu(defs.channel)); } /** @@ -154,11 +154,11 @@ static ssize_t channel_set(struct device *dev, struct device_attribute *attr, { struct lbs_private *priv = to_net_dev(dev)->priv; struct cmd_ds_mesh_config cmd; - uint16_t datum; + uint32_t datum; int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%hx", &datum); + ret = sscanf(buf, "%d", &datum); if (ret != 1 || datum < 1 || datum > 11) return -EINVAL; @@ -274,8 +274,8 @@ static ssize_t protocol_id_set(struct device *dev, int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%x", &datum); - if (ret != 1) + ret = sscanf(buf, "%d", &datum); + if ((ret != 1) || (datum > 255)) return -EINVAL; /* fetch all other Information Element parameters */ @@ -328,8 +328,8 @@ static ssize_t metric_id_set(struct device *dev, struct device_attribute *attr, int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%x", &datum); - if (ret != 1) + ret = sscanf(buf, "%d", &datum); + if ((ret != 1) || (datum > 255)) return -EINVAL; /* fetch all other Information Element parameters */ @@ -382,8 +382,8 @@ static ssize_t capability_set(struct device *dev, struct device_attribute *attr, int ret; memset(&cmd, 0, sizeof(cmd)); - ret = sscanf(buf, "%x", &datum); - if (ret != 1) + ret = sscanf(buf, "%d", &datum); + if ((ret != 1) || (datum > 255)) return -EINVAL; /* fetch all other Information Element parameters */ diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 5816230..248d31a 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -500,7 +500,7 @@ failed_hw: device_unregister(data->dev); failed_drvdata: ieee80211_free_hw(hw); - hwsim_radios[i] = 0; + hwsim_radios[i] = NULL; failed: mac80211_hwsim_free(); return err; diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 3558cb2..3078417 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -1121,6 +1121,7 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) int pipe = usb_sndbulkpipe(usb_dev, 1); int length; u16 reg; + u32 word, len; /* * Add the descriptor in front of the skb. @@ -1130,6 +1131,17 @@ static void rt2500usb_write_beacon(struct queue_entry *entry) skbdesc->desc = entry->skb->data; /* + * Adjust the beacon databyte count. The current number is + * calculated before this function gets called, but falsely + * assumes that the descriptor was already present in the SKB. + */ + rt2x00_desc_read(skbdesc->desc, 0, &word); + len = rt2x00_get_field32(word, TXD_W0_DATABYTE_COUNT); + len += skbdesc->desc_len; + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, len); + rt2x00_desc_write(skbdesc->desc, 0, word); + + /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ @@ -1650,7 +1662,6 @@ static void rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) * Initialize all hw fields. */ rt2x00dev->hw->flags = - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM; diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index 07b03b3..db2dc97 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -108,7 +108,10 @@ #define SHORT_PIFS ( SIFS + SHORT_SLOT_TIME ) #define DIFS ( PIFS + SLOT_TIME ) #define SHORT_DIFS ( SHORT_PIFS + SHORT_SLOT_TIME ) -#define EIFS ( SIFS + (8 * (IEEE80211_HEADER + ACK_SIZE)) ) +#define EIFS ( SIFS + DIFS + \ + (8 * (IEEE80211_HEADER + ACK_SIZE)) ) +#define SHORT_EIFS ( SIFS + SHORT_DIFS + \ + (8 * (IEEE80211_HEADER + ACK_SIZE)) ) /* * Chipset identification @@ -597,6 +600,7 @@ enum rt2x00_flags { DEVICE_STARTED_SUSPEND, DEVICE_ENABLED_RADIO, DEVICE_DISABLED_RADIO_HW, + DEVICE_DIRTY_CONFIG, /* * Driver features diff --git a/drivers/net/wireless/rt2x00/rt2x00config.c b/drivers/net/wireless/rt2x00/rt2x00config.c index f20ca71..3f89516 100644 --- a/drivers/net/wireless/rt2x00/rt2x00config.c +++ b/drivers/net/wireless/rt2x00/rt2x00config.c @@ -271,7 +271,7 @@ config: libconf.sifs = SIFS; libconf.pifs = short_slot_time ? SHORT_PIFS : PIFS; libconf.difs = short_slot_time ? SHORT_DIFS : DIFS; - libconf.eifs = EIFS; + libconf.eifs = short_slot_time ? SHORT_EIFS : EIFS; } libconf.conf = conf; diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 8c93eb8..f42283a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1013,6 +1013,7 @@ int rt2x00lib_start(struct rt2x00_dev *rt2x00dev) rt2x00dev->intf_associated = 0; __set_bit(DEVICE_STARTED, &rt2x00dev->flags); + __set_bit(DEVICE_DIRTY_CONFIG, &rt2x00dev->flags); return 0; } @@ -1237,9 +1238,9 @@ int rt2x00lib_resume(struct rt2x00_dev *rt2x00dev) /* * Reconfigure device. */ - rt2x00lib_config(rt2x00dev, &rt2x00dev->hw->conf, 1); - if (!rt2x00dev->hw->conf.radio_enabled) - rt2x00lib_disable_radio(rt2x00dev); + retval = rt2x00mac_config(rt2x00dev->hw, &rt2x00dev->hw->conf); + if (retval) + goto exit; /* * Iterator over each active interface to diff --git a/drivers/net/wireless/rt2x00/rt2x00lib.h b/drivers/net/wireless/rt2x00/rt2x00lib.h index f2c9b0e..c5fb3a7 100644 --- a/drivers/net/wireless/rt2x00/rt2x00lib.h +++ b/drivers/net/wireless/rt2x00/rt2x00lib.h @@ -125,13 +125,6 @@ void rt2x00queue_unmap_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); /** - * rt2x00queue_free_skb - free a skb - * @rt2x00dev: Pointer to &struct rt2x00_dev. - * @skb: The skb to free. - */ -void rt2x00queue_free_skb(struct rt2x00_dev *rt2x00dev, struct sk_buff *skb); - -/** * rt2x00queue_write_tx_frame - Write TX frame to hardware * @queue: Queue over which the frame should be send * @skb: The skb to send diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index f1dcbaa..c3ee4ec 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -63,7 +63,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, */ memcpy(skb->cb, frag_skb->cb, sizeof(skb->cb)); rts_info = IEEE80211_SKB_CB(skb); - rts_info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + rts_info->control.hw_key = NULL; rts_info->flags &= ~IEEE80211_TX_CTL_USE_RTS_CTS; rts_info->flags &= ~IEEE80211_TX_CTL_USE_CTS_PROTECT; rts_info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS; @@ -83,6 +83,7 @@ static int rt2x00mac_tx_rts_cts(struct rt2x00_dev *rt2x00dev, (struct ieee80211_rts *)(skb->data)); if (rt2x00queue_write_tx_frame(queue, skb)) { + dev_kfree_skb_any(skb); WARNING(rt2x00dev, "Failed to send RTS/CTS frame.\n"); return NETDEV_TX_BUSY; } @@ -96,7 +97,6 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data; enum data_queue_qid qid = skb_get_queue_mapping(skb); - struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); struct data_queue *queue; u16 frame_control; @@ -152,18 +152,6 @@ int rt2x00mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) } } - /* - * XXX: This is as wrong as the old mac80211 code was, - * due to beacons not getting sequence numbers assigned - * properly. - */ - if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { - if (tx_info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) - intf->seqno += 0x10; - ieee80211hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - ieee80211hdr->seq_ctrl |= cpu_to_le16(intf->seqno); - } - if (rt2x00queue_write_tx_frame(queue, skb)) { ieee80211_stop_queue(rt2x00dev->hw, qid); return NETDEV_TX_BUSY; @@ -322,6 +310,7 @@ EXPORT_SYMBOL_GPL(rt2x00mac_remove_interface); int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) { struct rt2x00_dev *rt2x00dev = hw->priv; + int force_reconfig; /* * Mac80211 might be calling this function while we are trying @@ -341,7 +330,17 @@ int rt2x00mac_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf) rt2x00lib_toggle_rx(rt2x00dev, STATE_RADIO_RX_OFF); } - rt2x00lib_config(rt2x00dev, conf, 0); + /* + * When the DEVICE_DIRTY_CONFIG flag is set, the device has recently + * been started and the configuration must be forced upon the hardware. + * Otherwise registers will not be intialized correctly and could + * result in non-working hardware because essential registers aren't + * initialized. + */ + force_reconfig = + __test_and_clear_bit(DEVICE_DIRTY_CONFIG, &rt2x00dev->flags); + + rt2x00lib_config(rt2x00dev, conf, force_reconfig); /* * Reenable RX only if the radio should be on. diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 7f44203..3b27f6a 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -120,6 +120,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, { struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); + struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; struct ieee80211_rate *rate = ieee80211_get_tx_rate(rt2x00dev->hw, tx_info); @@ -200,6 +201,31 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, } /* + * Hardware should insert sequence counter. + * FIXME: We insert a software sequence counter first for + * hardware that doesn't support hardware sequence counting. + * + * This is wrong because beacons are not getting sequence + * numbers assigned properly. + * + * A secondary problem exists for drivers that cannot toggle + * sequence counting per-frame, since those will override the + * sequence counter given by mac80211. + */ + if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { + spin_lock(&intf->lock); + + if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) + intf->seqno += 0x10; + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(intf->seqno); + + spin_unlock(&intf->lock); + + __set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags); + } + + /* * PLCP setup * Length calculation depends on OFDM/CCK rate. */ @@ -466,9 +492,12 @@ void rt2x00queue_init_rx(struct rt2x00_dev *rt2x00dev) if (!rt2x00dev->ops->lib->init_rxentry) return; - for (i = 0; i < queue->limit; i++) + for (i = 0; i < queue->limit; i++) { + queue->entries[i].flags = 0; + rt2x00dev->ops->lib->init_rxentry(rt2x00dev, &queue->entries[i]); + } } void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev) @@ -482,9 +511,12 @@ void rt2x00queue_init_tx(struct rt2x00_dev *rt2x00dev) if (!rt2x00dev->ops->lib->init_txentry) continue; - for (i = 0; i < queue->limit; i++) + for (i = 0; i < queue->limit; i++) { + queue->entries[i].flags = 0; + rt2x00dev->ops->lib->init_txentry(rt2x00dev, &queue->entries[i]); + } } } diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.h b/drivers/net/wireless/rt2x00/rt2x00queue.h index 8945945..a4a8c57 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.h +++ b/drivers/net/wireless/rt2x00/rt2x00queue.h @@ -199,6 +199,7 @@ struct txdone_entry_desc { * @ENTRY_TXD_RTS_FRAME: This frame is a RTS frame. * @ENTRY_TXD_CTS_FRAME: This frame is a CTS-to-self frame. * @ENTRY_TXD_OFDM_RATE: This frame is send out with an OFDM rate. + * @ENTRY_TXD_GENERATE_SEQ: This frame requires sequence counter. * @ENTRY_TXD_FIRST_FRAGMENT: This is the first frame. * @ENTRY_TXD_MORE_FRAG: This frame is followed by another fragment. * @ENTRY_TXD_REQ_TIMESTAMP: Require timestamp to be inserted. @@ -210,6 +211,7 @@ enum txentry_desc_flags { ENTRY_TXD_RTS_FRAME, ENTRY_TXD_CTS_FRAME, ENTRY_TXD_OFDM_RATE, + ENTRY_TXD_GENERATE_SEQ, ENTRY_TXD_FIRST_FRAGMENT, ENTRY_TXD_MORE_FRAG, ENTRY_TXD_REQ_TIMESTAMP, diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c index 83862e7..933e6cc 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.c +++ b/drivers/net/wireless/rt2x00/rt2x00usb.c @@ -122,6 +122,38 @@ int rt2x00usb_vendor_request_buff(struct rt2x00_dev *rt2x00dev, } EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_buff); +int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev, + const u8 request, const u8 requesttype, + const u16 offset, void *buffer, + const u16 buffer_length, + const int timeout) +{ + int status = 0; + unsigned char *tb; + u16 off, len, bsize; + + mutex_lock(&rt2x00dev->usb_cache_mutex); + + tb = buffer; + off = offset; + len = buffer_length; + while (len && !status) { + bsize = min_t(u16, CSR_CACHE_SIZE, len); + status = rt2x00usb_vendor_req_buff_lock(rt2x00dev, request, + requesttype, off, tb, + bsize, timeout); + + tb += bsize; + len -= bsize; + off += bsize; + } + + mutex_unlock(&rt2x00dev->usb_cache_mutex); + + return status; +} +EXPORT_SYMBOL_GPL(rt2x00usb_vendor_request_large_buff); + /* * TX data handlers. */ diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h index aad794a..ee3875f 100644 --- a/drivers/net/wireless/rt2x00/rt2x00usb.h +++ b/drivers/net/wireless/rt2x00/rt2x00usb.h @@ -70,8 +70,7 @@ /* * Cache size */ -#define CSR_CACHE_SIZE 8 -#define CSR_CACHE_SIZE_FIRMWARE 64 +#define CSR_CACHE_SIZE 64 /* * USB request types. @@ -172,6 +171,25 @@ int rt2x00usb_vendor_req_buff_lock(struct rt2x00_dev *rt2x00dev, const u16 buffer_length, const int timeout); /** + * rt2x00usb_vendor_request_large_buff - Send register command to device (buffered) + * @rt2x00dev: Pointer to &struct rt2x00_dev + * @request: USB vendor command (See &enum rt2x00usb_vendor_request) + * @requesttype: Request type &USB_VENDOR_REQUEST_* + * @offset: Register start offset to perform action on + * @buffer: Buffer where information will be read/written to by device + * @buffer_length: Size of &buffer + * @timeout: Operation timeout + * + * This function is used to transfer register data in blocks larger + * then CSR_CACHE_SIZE. Use for firmware upload, keys and beacons. + */ +int rt2x00usb_vendor_request_large_buff(struct rt2x00_dev *rt2x00dev, + const u8 request, const u8 requesttype, + const u16 offset, void *buffer, + const u16 buffer_length, + const int timeout); + +/** * rt2x00usb_vendor_request_sw - Send single register command to device * @rt2x00dev: Pointer to &struct rt2x00_dev * @request: USB vendor command (See &enum rt2x00usb_vendor_request) diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index f7c1f92..fbe2a65 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -1544,7 +1544,8 @@ static void rt61pci_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1); + rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, + test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_set_field32(&word, TXD_W1_BUFFER_COUNT, 1); rt2x00_desc_write(txd, 1, word); @@ -2278,7 +2279,6 @@ static void rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) * Initialize all hw fields. */ rt2x00dev->hw->flags = - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM; rt2x00dev->hw->extra_tx_headroom = 0; diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index d383735..9761eaa 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -890,9 +890,6 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, unsigned int i; int status; u32 reg; - const char *ptr = data; - char *cache; - int buflen; /* * Wait for stable hardware. @@ -911,31 +908,12 @@ static int rt73usb_load_firmware(struct rt2x00_dev *rt2x00dev, const void *data, /* * Write firmware to device. - * We setup a seperate cache for this action, - * since we are going to write larger chunks of data - * then normally used cache size. */ - cache = kmalloc(CSR_CACHE_SIZE_FIRMWARE, GFP_KERNEL); - if (!cache) { - ERROR(rt2x00dev, "Failed to allocate firmware cache.\n"); - return -ENOMEM; - } - - for (i = 0; i < len; i += CSR_CACHE_SIZE_FIRMWARE) { - buflen = min_t(int, len - i, CSR_CACHE_SIZE_FIRMWARE); - - memcpy(cache, ptr, buflen); - - rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, - FIRMWARE_IMAGE_BASE + i, 0, - cache, buflen, - REGISTER_TIMEOUT32(buflen)); - - ptr += buflen; - } - - kfree(cache); + rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, + USB_VENDOR_REQUEST_OUT, + FIRMWARE_IMAGE_BASE, + data, len, + REGISTER_TIMEOUT32(len)); /* * Send firmware request to device to load firmware, @@ -1303,7 +1281,8 @@ static void rt73usb_write_tx_desc(struct rt2x00_dev *rt2x00dev, rt2x00_set_field32(&word, TXD_W1_CWMIN, txdesc->cw_min); rt2x00_set_field32(&word, TXD_W1_CWMAX, txdesc->cw_max); rt2x00_set_field32(&word, TXD_W1_IV_OFFSET, IEEE80211_HEADER); - rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, 1); + rt2x00_set_field32(&word, TXD_W1_HW_SEQUENCE, + test_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags)); rt2x00_desc_write(txd, 1, word); rt2x00_desc_read(txd, 2, &word); @@ -1352,6 +1331,7 @@ static void rt73usb_write_beacon(struct queue_entry *entry) struct skb_frame_desc *skbdesc = get_skb_frame_desc(entry->skb); unsigned int beacon_base; u32 reg; + u32 word, len; /* * Add the descriptor in front of the skb. @@ -1361,6 +1341,17 @@ static void rt73usb_write_beacon(struct queue_entry *entry) skbdesc->desc = entry->skb->data; /* + * Adjust the beacon databyte count. The current number is + * calculated before this function gets called, but falsely + * assumes that the descriptor was already present in the SKB. + */ + rt2x00_desc_read(skbdesc->desc, 0, &word); + len = rt2x00_get_field32(word, TXD_W0_DATABYTE_COUNT); + len += skbdesc->desc_len; + rt2x00_set_field32(&word, TXD_W0_DATABYTE_COUNT, len); + rt2x00_desc_write(skbdesc->desc, 0, word); + + /* * Disable beaconing while we are reloading the beacon data, * otherwise we might be sending out invalid data. */ @@ -1374,10 +1365,10 @@ static void rt73usb_write_beacon(struct queue_entry *entry) * Write entire beacon with descriptor to register. */ beacon_base = HW_BEACON_OFFSET(entry->entry_idx); - rt2x00usb_vendor_request(rt2x00dev, USB_MULTI_WRITE, - USB_VENDOR_REQUEST_OUT, beacon_base, 0, - entry->skb->data, entry->skb->len, - REGISTER_TIMEOUT32(entry->skb->len)); + rt2x00usb_vendor_request_large_buff(rt2x00dev, USB_MULTI_WRITE, + USB_VENDOR_REQUEST_OUT, beacon_base, + entry->skb->data, entry->skb->len, + REGISTER_TIMEOUT32(entry->skb->len)); /* * Clean up the beacon skb. @@ -1871,7 +1862,6 @@ static void rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) * Initialize all hw fields. */ rt2x00dev->hw->flags = - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM; rt2x00dev->hw->extra_tx_headroom = TXD_DESC_SIZE; diff --git a/drivers/net/wireless/rtl8187.h b/drivers/net/wireless/rtl8187.h index 3afb49f..1b0d750 100644 --- a/drivers/net/wireless/rtl8187.h +++ b/drivers/net/wireless/rtl8187.h @@ -47,11 +47,13 @@ struct rtl8187_rx_hdr { struct rtl8187b_rx_hdr { __le32 flags; __le64 mac_time; - u8 noise; - u8 signal; + u8 sq; + u8 rssi; u8 agc; - u8 reserved; - __le32 unused; + u8 flags2; + __le16 snr_long2end; + s8 pwdb_g12; + u8 fot; } __attribute__((packed)); /* {rtl8187,rtl8187b}_tx_info is in skb */ @@ -100,6 +102,7 @@ struct rtl8187_priv { struct usb_device *udev; u32 rx_conf; u16 txpwr_base; + u16 seqno; u8 asic_rev; u8 is_rtl8187b; enum { diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c index d3067b1..177988e 100644 --- a/drivers/net/wireless/rtl8187_dev.c +++ b/drivers/net/wireless/rtl8187_dev.c @@ -169,6 +169,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb) { struct rtl8187_priv *priv = dev->priv; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_hdr *ieee80211hdr = (struct ieee80211_hdr *)skb->data; unsigned int ep; void *buf; struct urb *urb; @@ -234,6 +235,20 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb) ep = epmap[skb_get_queue_mapping(skb)]; } + /* FIXME: The sequence that follows is needed for this driver to + * work with mac80211 since "mac80211: fix TX sequence numbers". + * As with the temporary code in rt2x00, changes will be needed + * to get proper sequence numbers on beacons. In addition, this + * patch places the sequence number in the hardware state, which + * limits us to a single virtual state. + */ + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { + if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT) + priv->seqno += 0x10; + ieee80211hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + ieee80211hdr->seq_ctrl |= cpu_to_le16(priv->seqno); + } + info->driver_data[0] = dev; info->driver_data[1] = urb; @@ -257,6 +272,7 @@ static void rtl8187_rx_cb(struct urb *urb) struct ieee80211_rx_status rx_status = { 0 }; int rate, signal; u32 flags; + u32 quality; spin_lock(&priv->rx_queue.lock); if (skb->next) @@ -280,44 +296,57 @@ static void rtl8187_rx_cb(struct urb *urb) flags = le32_to_cpu(hdr->flags); signal = hdr->signal & 0x7f; rx_status.antenna = (hdr->signal >> 7) & 1; - rx_status.signal = signal; rx_status.noise = hdr->noise; rx_status.mactime = le64_to_cpu(hdr->mac_time); - priv->signal = signal; priv->quality = signal; + rx_status.qual = priv->quality; priv->noise = hdr->noise; + rate = (flags >> 20) & 0xF; + if (rate > 3) { /* OFDM rate */ + if (signal > 90) + signal = 90; + else if (signal < 25) + signal = 25; + signal = 90 - signal; + } else { /* CCK rate */ + if (signal > 95) + signal = 95; + else if (signal < 30) + signal = 30; + signal = 95 - signal; + } + rx_status.signal = signal; + priv->signal = signal; } else { struct rtl8187b_rx_hdr *hdr = (typeof(hdr))(skb_tail_pointer(skb) - sizeof(*hdr)); + /* The Realtek datasheet for the RTL8187B shows that the RX + * header contains the following quantities: signal quality, + * RSSI, AGC, the received power in dB, and the measured SNR. + * In testing, none of these quantities show qualitative + * agreement with AP signal strength, except for the AGC, + * which is inversely proportional to the strength of the + * signal. In the following, the quality and signal strength + * are derived from the AGC. The arbitrary scaling constants + * are chosen to make the results close to the values obtained + * for a BCM4312 using b43 as the driver. The noise is ignored + * for now. + */ flags = le32_to_cpu(hdr->flags); - signal = hdr->agc >> 1; - rx_status.antenna = (hdr->signal >> 7) & 1; - rx_status.signal = 64 - min(hdr->noise, (u8)64); - rx_status.noise = hdr->noise; + quality = 170 - hdr->agc; + if (quality > 100) + quality = 100; + signal = 14 - hdr->agc / 2; + rx_status.qual = quality; + priv->quality = quality; + rx_status.signal = signal; + priv->signal = signal; + rx_status.antenna = (hdr->rssi >> 7) & 1; rx_status.mactime = le64_to_cpu(hdr->mac_time); - priv->signal = hdr->signal; - priv->quality = hdr->agc >> 1; - priv->noise = hdr->noise; + rate = (flags >> 20) & 0xF; } skb_trim(skb, flags & 0x0FFF); - rate = (flags >> 20) & 0xF; - if (rate > 3) { /* OFDM rate */ - if (signal > 90) - signal = 90; - else if (signal < 25) - signal = 25; - signal = 90 - signal; - } else { /* CCK rate */ - if (signal > 95) - signal = 95; - else if (signal < 30) - signal = 30; - signal = 95 - signal; - } - - rx_status.qual = priv->quality; - rx_status.signal = signal; rx_status.rate_idx = rate; rx_status.freq = dev->conf.channel->center_freq; rx_status.band = dev->conf.channel->band; @@ -1015,9 +1044,7 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, priv->mode = IEEE80211_IF_TYPE_MNTR; dev->flags = IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | - IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_SIGNAL_UNSPEC; - dev->max_signal = 65; + IEEE80211_HW_RX_INCLUDES_FCS; eeprom.data = dev; eeprom.register_read = rtl8187_eeprom_register_read; @@ -1132,10 +1159,16 @@ static int __devinit rtl8187_probe(struct usb_interface *intf, (*channel++).hw_value = txpwr >> 8; } - if (priv->is_rtl8187b) + if (priv->is_rtl8187b) { printk(KERN_WARNING "rtl8187: 8187B chip detected. Support " "is EXPERIMENTAL, and could damage your\n" " hardware, use at your own risk\n"); + dev->flags |= IEEE80211_HW_SIGNAL_DBM; + } else { + dev->flags |= IEEE80211_HW_SIGNAL_UNSPEC; + dev->max_signal = 65; + } + if ((id->driver_info == DEVICE_RTL8187) && priv->is_rtl8187b) printk(KERN_INFO "rtl8187: inconsistency between id with OEM" " info!\n"); diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c index fcc532b..4d7b98b 100644 --- a/drivers/net/wireless/zd1211rw/zd_mac.c +++ b/drivers/net/wireless/zd1211rw/zd_mac.c @@ -935,7 +935,6 @@ struct ieee80211_hw *zd_mac_alloc_hw(struct usb_interface *intf) hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &mac->band; hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE | IEEE80211_HW_SIGNAL_DB; hw->max_signal = 100; diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h index c5f6e54..741d1a6 100644 --- a/include/linux/rfkill.h +++ b/include/linux/rfkill.h @@ -68,7 +68,8 @@ enum rfkill_state { * @user_claim_unsupported: Whether the hardware supports exclusive * RF-kill control by userspace. Set this before registering. * @user_claim: Set when the switch is controlled exlusively by userspace. - * @mutex: Guards switch state transitions + * @mutex: Guards switch state transitions. It serializes callbacks + * and also protects the state. * @data: Pointer to the RF button drivers private data which will be * passed along when toggling radio state. * @toggle_radio(): Mandatory handler to control state of the radio. @@ -89,12 +90,13 @@ struct rfkill { const char *name; enum rfkill_type type; - enum rfkill_state state; bool user_claim_unsupported; bool user_claim; + /* the mutex serializes callbacks and also protects + * the state */ struct mutex mutex; - + enum rfkill_state state; void *data; int (*toggle_radio)(void *data, enum rfkill_state state); int (*get_state)(void *data, enum rfkill_state *state); diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7ea44f6..a640385 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -316,7 +316,10 @@ struct sk_buff { #ifdef CONFIG_IPV6_NDISC_NODETYPE __u8 ndisc_nodetype:2; #endif - /* 14 bit hole */ +#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE) + __u8 do_not_encrypt:1; +#endif + /* 0/13/14 bit hole */ #ifdef CONFIG_NET_DMA dma_cookie_t dma_cookie; diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 4dd3d93..b527210 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -206,8 +206,6 @@ struct ieee80211_bss_conf { * These flags are used with the @flags member of &ieee80211_tx_info. * * @IEEE80211_TX_CTL_REQ_TX_STATUS: request TX status callback for this frame. - * @IEEE80211_TX_CTL_DO_NOT_ENCRYPT: send this frame without encryption; - * e.g., for EAPOL frame * @IEEE80211_TX_CTL_USE_RTS_CTS: use RTS-CTS before sending frame * @IEEE80211_TX_CTL_USE_CTS_PROTECT: use CTS protection for the frame (e.g., * for combined 802.11g / 802.11b networks) @@ -220,7 +218,6 @@ struct ieee80211_bss_conf { * @IEEE80211_TX_CTL_SHORT_PREAMBLE: TBD * @IEEE80211_TX_CTL_LONG_RETRY_LIMIT: this frame should be send using the * through set_retry_limit configured long retry value - * @IEEE80211_TX_CTL_EAPOL_FRAME: internal to mac80211 * @IEEE80211_TX_CTL_SEND_AFTER_DTIM: send this frame after DTIM beacon * @IEEE80211_TX_CTL_AMPDU: this frame should be sent as part of an A-MPDU * @IEEE80211_TX_CTL_OFDM_HT: this frame can be sent in HT OFDM rates. number @@ -253,7 +250,6 @@ struct ieee80211_bss_conf { */ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_REQ_TX_STATUS = BIT(0), - IEEE80211_TX_CTL_DO_NOT_ENCRYPT = BIT(1), IEEE80211_TX_CTL_USE_RTS_CTS = BIT(2), IEEE80211_TX_CTL_USE_CTS_PROTECT = BIT(3), IEEE80211_TX_CTL_NO_ACK = BIT(4), @@ -263,7 +259,6 @@ enum mac80211_tx_control_flags { IEEE80211_TX_CTL_FIRST_FRAGMENT = BIT(8), IEEE80211_TX_CTL_SHORT_PREAMBLE = BIT(9), IEEE80211_TX_CTL_LONG_RETRY_LIMIT = BIT(10), - IEEE80211_TX_CTL_EAPOL_FRAME = BIT(11), IEEE80211_TX_CTL_SEND_AFTER_DTIM = BIT(12), IEEE80211_TX_CTL_AMPDU = BIT(13), IEEE80211_TX_CTL_OFDM_HT = BIT(14), @@ -323,7 +318,6 @@ struct ieee80211_tx_info { struct ieee80211_vif *vif; struct ieee80211_key_conf *hw_key; unsigned long jiffies; - int ifindex; u16 aid; s8 rts_cts_rate_idx, alt_retry_rate_idx; u8 retry_limit; @@ -746,7 +740,6 @@ enum ieee80211_tkip_key_type { * Measurement, Channel Switch, Quieting, TPC */ enum ieee80211_hw_flags { - IEEE80211_HW_HOST_GEN_BEACON_TEMPLATE = 1<<0, IEEE80211_HW_RX_INCLUDES_FCS = 1<<1, IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING = 1<<2, IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE = 1<<3, diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4e0c922..8464017 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -485,6 +485,9 @@ static struct sk_buff *__skb_clone(struct sk_buff *n, struct sk_buff *skb) C(head); C(data); C(truesize); +#if defined(CONFIG_MAC80211) || defined(CONFIG_MAC80211_MODULE) + C(do_not_encrypt); +#endif atomic_set(&n->users, 1); atomic_inc(&(skb_shinfo(skb)->dataref)); diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 8e7ba0e..297c257 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -81,6 +81,7 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, enum nl80211_iftype type, u32 *flags, struct vif_params *params) { + struct ieee80211_local *local = wiphy_priv(wiphy); struct net_device *dev; enum ieee80211_if_types itype; struct ieee80211_sub_if_data *sdata; @@ -95,6 +96,9 @@ static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, if (itype == IEEE80211_IF_TYPE_INVALID) return -EINVAL; + if (dev == local->mdev) + return -EOPNOTSUPP; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); ret = ieee80211_if_change_type(sdata, itype); @@ -117,12 +121,16 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, u8 *mac_addr, struct key_params *params) { + struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata; struct sta_info *sta = NULL; enum ieee80211_key_alg alg; struct ieee80211_key *key; int err; + if (dev == local->mdev) + return -EOPNOTSUPP; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); switch (params->cipher) { @@ -167,10 +175,14 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx, u8 *mac_addr) { + struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata; struct sta_info *sta; int ret; + if (dev == local->mdev) + return -EOPNOTSUPP; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); rcu_read_lock(); @@ -211,7 +223,8 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, void (*callback)(void *cookie, struct key_params *params)) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct sta_info *sta = NULL; u8 seq[6] = {0}; struct key_params params; @@ -220,6 +233,11 @@ static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, u16 iv16; int err = -ENOENT; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + rcu_read_lock(); if (mac_addr) { @@ -293,8 +311,12 @@ static int ieee80211_config_default_key(struct wiphy *wiphy, struct net_device *dev, u8 key_idx) { + struct ieee80211_local *local = wiphy_priv(wiphy); struct ieee80211_sub_if_data *sdata; + if (dev == local->mdev) + return -EOPNOTSUPP; + rcu_read_lock(); sdata = IEEE80211_DEV_TO_SUB_IF(dev); @@ -475,9 +497,15 @@ static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *params) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct beacon_data *old; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) return -EINVAL; @@ -492,9 +520,15 @@ static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, struct beacon_parameters *params) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct beacon_data *old; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) return -EINVAL; @@ -508,9 +542,15 @@ static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct beacon_data *old; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_AP) return -EINVAL; @@ -646,11 +686,14 @@ static void sta_apply_parameters(struct ieee80211_local *local, static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac, struct station_parameters *params) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = wiphy_priv(wiphy); struct sta_info *sta; struct ieee80211_sub_if_data *sdata; int err; + if (dev == local->mdev || params->vlan == local->mdev) + return -EOPNOTSUPP; + /* Prevent a race with changing the rate control algorithm */ if (!netif_running(dev)) return -ENETDOWN; @@ -701,10 +744,15 @@ static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, u8 *mac) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct sta_info *sta; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (mac) { rcu_read_lock(); @@ -730,10 +778,13 @@ static int ieee80211_change_station(struct wiphy *wiphy, u8 *mac, struct station_parameters *params) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); + struct ieee80211_local *local = wiphy_priv(wiphy); struct sta_info *sta; struct ieee80211_sub_if_data *vlansdata; + if (dev == local->mdev || params->vlan == local->mdev) + return -EOPNOTSUPP; + rcu_read_lock(); /* XXX: get sta belonging to dev */ @@ -752,7 +803,7 @@ static int ieee80211_change_station(struct wiphy *wiphy, return -EINVAL; } - sta->sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); + sta->sdata = vlansdata; ieee80211_send_layer2_update(sta); } @@ -767,15 +818,20 @@ static int ieee80211_change_station(struct wiphy *wiphy, static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, u8 *dst, u8 *next_hop) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct mesh_path *mpath; struct sta_info *sta; int err; + if (dev == local->mdev) + return -EOPNOTSUPP; + if (!netif_running(dev)) return -ENETDOWN; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) return -ENOTSUPP; @@ -817,14 +873,19 @@ static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev, u8 *dst, u8 *next_hop) { - struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct mesh_path *mpath; struct sta_info *sta; + if (dev == local->mdev) + return -EOPNOTSUPP; + if (!netif_running(dev)) return -ENETDOWN; + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) return -ENOTSUPP; @@ -891,9 +952,15 @@ static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, u8 *dst, u8 *next_hop, struct mpath_info *pinfo) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct mesh_path *mpath; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) return -ENOTSUPP; @@ -913,9 +980,15 @@ static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, int idx, u8 *dst, u8 *next_hop, struct mpath_info *pinfo) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = wiphy_priv(wiphy); + struct ieee80211_sub_if_data *sdata; struct mesh_path *mpath; + if (dev == local->mdev) + return -EOPNOTSUPP; + + sdata = IEEE80211_DEV_TO_SUB_IF(dev); + if (sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) return -ENOTSUPP; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index f1a83d4..a4c5b90 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -1233,18 +1233,12 @@ static void ieee80211_tasklet_handler(unsigned long data) /* Remove added headers (e.g., QoS control), encryption header/MIC, etc. to * make a prepared TX frame (one that has been given to hw) to look like brand * new IEEE 802.11 frame that is ready to go through TX processing again. - * Also, tx_packet_data in cb is restored from tx_control. */ + */ static void ieee80211_remove_tx_extra(struct ieee80211_local *local, struct ieee80211_key *key, struct sk_buff *skb) { int hdrlen, iv_len, mic_len; - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - - info->flags &= IEEE80211_TX_CTL_REQ_TX_STATUS | - IEEE80211_TX_CTL_DO_NOT_ENCRYPT | - IEEE80211_TX_CTL_REQUEUE | - IEEE80211_TX_CTL_EAPOL_FRAME; hdrlen = ieee80211_get_hdrlen_from_skb(skb); @@ -1731,8 +1725,8 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) result = ieee80211_wep_init(local); if (result < 0) { - printk(KERN_DEBUG "%s: Failed to initialize wep\n", - wiphy_name(local->hw.wiphy)); + printk(KERN_DEBUG "%s: Failed to initialize wep: %d\n", + wiphy_name(local->hw.wiphy), result); goto fail_wep; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index d7c371e..acb0413 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -606,7 +606,6 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, int encrypt) { struct ieee80211_sub_if_data *sdata; - struct ieee80211_tx_info *info; sdata = IEEE80211_DEV_TO_SUB_IF(dev); skb->dev = sdata->local->mdev; @@ -614,11 +613,8 @@ void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb, skb_set_network_header(skb, 0); skb_set_transport_header(skb, 0); - info = IEEE80211_SKB_CB(skb); - memset(info, 0, sizeof(struct ieee80211_tx_info)); - info->control.ifindex = sdata->dev->ifindex; - if (!encrypt) - info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + skb->iif = sdata->dev->ifindex; + skb->do_not_encrypt = !encrypt; dev_queue_xmit(skb); } @@ -3303,6 +3299,7 @@ void ieee80211_start_mesh(struct net_device *dev) ifsta = &sdata->u.sta; ifsta->state = IEEE80211_MESH_UP; ieee80211_sta_timer((unsigned long)sdata); + ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON); } #endif diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 0fbadd8..69019e9 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -305,7 +305,7 @@ static void purge_old_ps_buffers(struct ieee80211_local *local) rcu_read_unlock(); local->total_ps_buffered = total; -#ifdef MAC80211_VERBOSE_PS_DEBUG +#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG printk(KERN_DEBUG "%s: PS buffers full - purged %d frames\n", wiphy_name(local->hw.wiphy), purged); #endif @@ -342,7 +342,7 @@ ieee80211_tx_h_multicast_ps_buf(struct ieee80211_tx_data *tx) purge_old_ps_buffers(tx->local); if (skb_queue_len(&tx->sdata->bss->ps_bc_buf) >= AP_MAX_BC_BUFFER) { -#ifdef MAC80211_VERBOSE_PS_DEBUG +#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "%s: BC TX buffer full - " "dropping the oldest frame\n", @@ -389,7 +389,7 @@ ieee80211_tx_h_unicast_ps_buf(struct ieee80211_tx_data *tx) purge_old_ps_buffers(tx->local); if (skb_queue_len(&sta->ps_tx_buf) >= STA_MAX_TX_BUFFER) { struct sk_buff *old = skb_dequeue(&sta->ps_tx_buf); -#ifdef MAC80211_VERBOSE_PS_DEBUG +#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG if (net_ratelimit()) { printk(KERN_DEBUG "%s: STA %s TX " "buffer full - dropping oldest frame\n", @@ -439,14 +439,14 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); u16 fc = tx->fc; - if (unlikely(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT)) + if (unlikely(tx->skb->do_not_encrypt)) tx->key = NULL; else if (tx->sta && (key = rcu_dereference(tx->sta->key))) tx->key = key; else if ((key = rcu_dereference(tx->sdata->default_key))) tx->key = key; else if (tx->sdata->drop_unencrypted && - !(info->flags & IEEE80211_TX_CTL_EAPOL_FRAME) && + (tx->skb->protocol != cpu_to_be16(ETH_P_PAE)) && !(info->flags & IEEE80211_TX_CTL_INJECTED)) { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); return TX_DROP; @@ -476,7 +476,7 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) } if (!tx->key || !(tx->key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)) - info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + tx->skb->do_not_encrypt = 1; return TX_CONTINUE; } @@ -732,6 +732,7 @@ ieee80211_tx_h_fragment(struct ieee80211_tx_data *tx) memcpy(skb_put(frag, copylen), pos, copylen); memcpy(frag->cb, first->cb, sizeof(frag->cb)); skb_copy_queue_mapping(frag, first); + frag->do_not_encrypt = first->do_not_encrypt; pos += copylen; left -= copylen; @@ -852,7 +853,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, sband = tx->local->hw.wiphy->bands[tx->channel->band]; - info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + skb->do_not_encrypt = 1; info->flags |= IEEE80211_TX_CTL_INJECTED; tx->flags &= ~IEEE80211_TX_FRAGMENTED; @@ -925,8 +926,7 @@ __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx, skb_trim(skb, skb->len - FCS_LEN); } if (*iterator.this_arg & IEEE80211_RADIOTAP_F_WEP) - info->flags &= - ~IEEE80211_TX_CTL_DO_NOT_ENCRYPT; + tx->skb->do_not_encrypt = 0; if (*iterator.this_arg & IEEE80211_RADIOTAP_F_FRAG) tx->flags |= IEEE80211_TX_FRAGMENTED; break; @@ -1042,10 +1042,9 @@ static int ieee80211_tx_prepare(struct ieee80211_tx_data *tx, struct sk_buff *skb, struct net_device *mdev) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct net_device *dev; - dev = dev_get_by_index(&init_net, info->control.ifindex); + dev = dev_get_by_index(&init_net, skb->iif); if (unlikely(dev && !is_ieee80211_device(dev, mdev))) { dev_put(dev); dev = NULL; @@ -1306,8 +1305,8 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, bool may_encrypt; int ret; - if (info->control.ifindex) - odev = dev_get_by_index(&init_net, info->control.ifindex); + if (skb->iif) + odev = dev_get_by_index(&init_net, skb->iif); if (unlikely(odev && !is_ieee80211_device(odev, dev))) { dev_put(odev); odev = NULL; @@ -1321,9 +1320,13 @@ int ieee80211_master_start_xmit(struct sk_buff *skb, return 0; } + memset(info, 0, sizeof(*info)); + + info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + osdata = IEEE80211_DEV_TO_SUB_IF(odev); - may_encrypt = !(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT); + may_encrypt = !skb->do_not_encrypt; headroom = osdata->local->tx_headroom; if (may_encrypt) @@ -1348,7 +1351,6 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_radiotap_header *prthdr = (struct ieee80211_radiotap_header *)skb->data; u16 len_rthdr; @@ -1371,11 +1373,11 @@ int ieee80211_monitor_start_xmit(struct sk_buff *skb, skb->dev = local->mdev; /* needed because we set skb device to master */ - info->control.ifindex = dev->ifindex; + skb->iif = dev->ifindex; - info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; - /* Interfaces should always request a status report */ - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + /* 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 @@ -1419,7 +1421,6 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); - struct ieee80211_tx_info *info; struct ieee80211_sub_if_data *sdata; int ret = 1, head_need; u16 ethertype, hdrlen, meshhdrlen = 0; @@ -1645,14 +1646,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb, nh_pos += hdrlen; h_pos += hdrlen; - info = IEEE80211_SKB_CB(skb); - memset(info, 0, sizeof(*info)); - info->control.ifindex = dev->ifindex; - if (ethertype == ETH_P_PAE) - info->flags |= IEEE80211_TX_CTL_EAPOL_FRAME; - - /* Interfaces should always request a status report */ - info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; + skb->iif = dev->ifindex; skb->dev = local->mdev; dev->stats.tx_packets++; @@ -1922,6 +1916,8 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, info = IEEE80211_SKB_CB(skb); + skb->do_not_encrypt = 1; + info->band = band; rate_control_get_rate(local->mdev, sband, skb, &rsel); @@ -1931,7 +1927,7 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, "no rate found\n", wiphy_name(local->hw.wiphy)); } - dev_kfree_skb(skb); + dev_kfree_skb_any(skb); skb = NULL; goto out; } @@ -1940,7 +1936,6 @@ struct sk_buff *ieee80211_beacon_get(struct ieee80211_hw *hw, info->tx_rate_idx = rsel.rate_idx; info->flags |= IEEE80211_TX_CTL_NO_ACK; - info->flags |= IEEE80211_TX_CTL_DO_NOT_ENCRYPT; info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT; info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; if (sdata->bss_conf.use_short_preamble && diff --git a/net/mac80211/wep.c b/net/mac80211/wep.c index 872d2fc..5c2bf0a 100644 --- a/net/mac80211/wep.c +++ b/net/mac80211/wep.c @@ -31,13 +31,13 @@ int ieee80211_wep_init(struct ieee80211_local *local) local->wep_tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(local->wep_tx_tfm)) - return -ENOMEM; + return PTR_ERR(local->wep_tx_tfm); local->wep_rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(local->wep_rx_tfm)) { crypto_free_blkcipher(local->wep_tx_tfm); - return -ENOMEM; + return PTR_ERR(local->wep_rx_tfm); } return 0; diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c index 07edda0..28437f0 100644 --- a/net/mac80211/wme.c +++ b/net/mac80211/wme.c @@ -188,6 +188,9 @@ int ieee80211_ht_agg_queue_add(struct ieee80211_local *local, { int i; + /* XXX: currently broken due to cb/requeue use */ + return -EPERM; + /* prepare the filter and save it for the SW queue * matching the received HW queue */ diff --git a/net/rfkill/rfkill.c b/net/rfkill/rfkill.c index 7a560b7..c6f2f38 100644 --- a/net/rfkill/rfkill.c +++ b/net/rfkill/rfkill.c @@ -130,7 +130,6 @@ static void update_rfkill_state(struct rfkill *rfkill) /** * rfkill_toggle_radio - wrapper for toggle_radio hook - * * @rfkill: the rfkill struct to use * @force: calls toggle_radio even if cache says it is not needed, * and also makes sure notifications of the state will be @@ -141,8 +140,8 @@ static void update_rfkill_state(struct rfkill *rfkill) * calls and handling all the red tape such as issuing notifications * if the call is successful. * - * Note that @force cannot override a (possibly cached) state of - * RFKILL_STATE_HARD_BLOCKED. Any device making use of + * Note that the @force parameter cannot override a (possibly cached) + * state of RFKILL_STATE_HARD_BLOCKED. Any device making use of * RFKILL_STATE_HARD_BLOCKED implements either get_state() or * rfkill_force_state(), so the cache either is bypassed or valid. * @@ -150,7 +149,7 @@ static void update_rfkill_state(struct rfkill *rfkill) * even if the radio is in RFKILL_STATE_HARD_BLOCKED state, so as to * give the driver a hint that it should double-BLOCK the transmitter. * - * Caller must have aquired rfkill_mutex. + * Caller must have acquired rfkill->mutex. */ static int rfkill_toggle_radio(struct rfkill *rfkill, enum rfkill_state state, @@ -200,12 +199,12 @@ static int rfkill_toggle_radio(struct rfkill *rfkill, /** * rfkill_switch_all - Toggle state of all switches of given type - * @type: type of interfaces to be affeceted + * @type: type of interfaces to be affected * @state: the new state * - * This function toggles state of all switches of given type unless - * a specific switch is claimed by userspace in which case it is - * left alone. + * This function toggles the state of all switches of given type, + * unless a specific switch is claimed by userspace (in which case, + * that switch is left alone). */ void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state) { @@ -216,8 +215,11 @@ void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state) rfkill_states[type] = state; list_for_each_entry(rfkill, &rfkill_list, node) { - if ((!rfkill->user_claim) && (rfkill->type == type)) + if ((!rfkill->user_claim) && (rfkill->type == type)) { + mutex_lock(&rfkill->mutex); rfkill_toggle_radio(rfkill, state, 0); + mutex_unlock(&rfkill->mutex); + } } mutex_unlock(&rfkill_mutex); @@ -228,7 +230,7 @@ EXPORT_SYMBOL(rfkill_switch_all); * rfkill_epo - emergency power off all transmitters * * This kicks all rfkill devices to RFKILL_STATE_SOFT_BLOCKED, ignoring - * everything in its path but rfkill_mutex. + * everything in its path but rfkill_mutex and rfkill->mutex. */ void rfkill_epo(void) { @@ -236,7 +238,9 @@ void rfkill_epo(void) mutex_lock(&rfkill_mutex); list_for_each_entry(rfkill, &rfkill_list, node) { + mutex_lock(&rfkill->mutex); rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1); + mutex_unlock(&rfkill->mutex); } mutex_unlock(&rfkill_mutex); } @@ -252,7 +256,12 @@ EXPORT_SYMBOL_GPL(rfkill_epo); * a notification by the firmware/hardware of the current *real* * state of the radio rfkill switch. * - * It may not be called from an atomic context. + * Devices which are subject to external changes on their rfkill + * state (such as those caused by a hardware rfkill line) MUST + * have their driver arrange to call rfkill_force_state() as soon + * as possible after such a change. + * + * This function may not be called from an atomic context. */ int rfkill_force_state(struct rfkill *rfkill, enum rfkill_state state) { @@ -367,6 +376,9 @@ static ssize_t rfkill_claim_store(struct device *dev, if (!capable(CAP_NET_ADMIN)) return -EPERM; + if (rfkill->user_claim_unsupported) + return -EOPNOTSUPP; + /* * Take the global lock to make sure the kernel is not in * the middle of rfkill_switch_all @@ -375,19 +387,17 @@ static ssize_t rfkill_claim_store(struct device *dev, if (error) return error; - if (rfkill->user_claim_unsupported) { - error = -EOPNOTSUPP; - goto out_unlock; - } if (rfkill->user_claim != claim) { - if (!claim) + if (!claim) { + mutex_lock(&rfkill->mutex); rfkill_toggle_radio(rfkill, rfkill_states[rfkill->type], 0); + mutex_unlock(&rfkill->mutex); + } rfkill->user_claim = claim; } -out_unlock: mutex_unlock(&rfkill_mutex); return error ? error : count; @@ -516,8 +526,11 @@ static void rfkill_remove_switch(struct rfkill *rfkill) { mutex_lock(&rfkill_mutex); list_del_init(&rfkill->node); - rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1); mutex_unlock(&rfkill_mutex); + + mutex_lock(&rfkill->mutex); + rfkill_toggle_radio(rfkill, RFKILL_STATE_SOFT_BLOCKED, 1); + mutex_unlock(&rfkill->mutex); } /** @@ -526,9 +539,10 @@ static void rfkill_remove_switch(struct rfkill *rfkill) * @type: type of the switch (RFKILL_TYPE_*) * * This function should be called by the network driver when it needs - * rfkill structure. Once the structure is allocated the driver shoud - * finish its initialization by setting name, private data, enable_radio + * rfkill structure. Once the structure is allocated the driver should + * finish its initialization by setting the name, private data, enable_radio * and disable_radio methods and then register it with rfkill_register(). + * * NOTE: If registration fails the structure shoudl be freed by calling * rfkill_free() otherwise rfkill_unregister() should be used. */ @@ -560,7 +574,7 @@ EXPORT_SYMBOL(rfkill_allocate); * rfkill_free - Mark rfkill structure for deletion * @rfkill: rfkill structure to be destroyed * - * Decrements reference count of rfkill structure so it is destroyed. + * Decrements reference count of the rfkill structure so it is destroyed. * Note that rfkill_free() should _not_ be called after rfkill_unregister(). */ void rfkill_free(struct rfkill *rfkill) @@ -585,8 +599,10 @@ static void rfkill_led_trigger_register(struct rfkill *rfkill) static void rfkill_led_trigger_unregister(struct rfkill *rfkill) { #ifdef CONFIG_RFKILL_LEDS - if (rfkill->led_trigger.name) + if (rfkill->led_trigger.name) { led_trigger_unregister(&rfkill->led_trigger); + rfkill->led_trigger.name = NULL; + } #endif } @@ -622,8 +638,8 @@ int rfkill_register(struct rfkill *rfkill) error = device_add(dev); if (error) { - rfkill_led_trigger_unregister(rfkill); rfkill_remove_switch(rfkill); + rfkill_led_trigger_unregister(rfkill); return error; } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b7fefff..59eb2cf 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -29,16 +29,16 @@ static struct genl_family nl80211_fam = { }; /* internal helper: get drv and dev */ -static int get_drv_dev_by_info_ifindex(struct genl_info *info, +static int get_drv_dev_by_info_ifindex(struct nlattr **attrs, struct cfg80211_registered_device **drv, struct net_device **dev) { int ifindex; - if (!info->attrs[NL80211_ATTR_IFINDEX]) + if (!attrs[NL80211_ATTR_IFINDEX]) return -EINVAL; - ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); + ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); *dev = dev_get_by_index(&init_net, ifindex); if (!*dev) return -ENODEV; @@ -291,21 +291,31 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * mutex_lock(&cfg80211_drv_mutex); list_for_each_entry(dev, &cfg80211_drv_list, list) { - if (++wp_idx < wp_start) + if (wp_idx < wp_start) { + wp_idx++; continue; + } if_idx = 0; mutex_lock(&dev->devlist_mtx); list_for_each_entry(wdev, &dev->netdev_list, list) { - if (++if_idx < if_start) + if (if_idx < if_start) { + if_idx++; continue; + } if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - wdev->netdev) < 0) - break; + wdev->netdev) < 0) { + mutex_unlock(&dev->devlist_mtx); + goto out; + } + if_idx++; } mutex_unlock(&dev->devlist_mtx); + + wp_idx++; } + out: mutex_unlock(&cfg80211_drv_mutex); cb->args[0] = wp_idx; @@ -321,7 +331,7 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) struct net_device *netdev; int err; - err = get_drv_dev_by_info_ifindex(info, &dev, &netdev); + err = get_drv_dev_by_info_ifindex(info->attrs, &dev, &netdev); if (err) return err; @@ -392,7 +402,7 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) } else return -EINVAL; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; ifindex = dev->ifindex; @@ -477,7 +487,7 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) int ifindex, err; struct net_device *dev; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; ifindex = dev->ifindex; @@ -545,7 +555,7 @@ static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -618,7 +628,7 @@ static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) if (!info->attrs[NL80211_ATTR_KEY_DEFAULT]) return -EINVAL; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -699,7 +709,7 @@ static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) return -EINVAL; } - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -735,7 +745,7 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -764,7 +774,7 @@ static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info) struct beacon_parameters params; int haveinfo = 0; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -843,7 +853,7 @@ static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info) int err; struct net_device *dev; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -937,67 +947,78 @@ static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq, } static int nl80211_dump_station(struct sk_buff *skb, - struct netlink_callback *cb) + struct netlink_callback *cb) { - int wp_idx = 0; - int if_idx = 0; - int sta_idx = cb->args[2]; - int wp_start = cb->args[0]; - int if_start = cb->args[1]; struct station_info sinfo; struct cfg80211_registered_device *dev; - struct wireless_dev *wdev; + struct net_device *netdev; u8 mac_addr[ETH_ALEN]; + int ifidx = cb->args[0]; + int sta_idx = cb->args[1]; int err; - int exit = 0; - /* TODO: filter by device */ - mutex_lock(&cfg80211_drv_mutex); - list_for_each_entry(dev, &cfg80211_drv_list, list) { - if (exit) + if (!ifidx) { + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, + nl80211_fam.attrbuf, nl80211_fam.maxattr, + nl80211_policy); + if (err) + return err; + + if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) + return -EINVAL; + + ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); + if (!ifidx) + return -EINVAL; + } + + netdev = dev_get_by_index(&init_net, ifidx); + if (!netdev) + return -ENODEV; + + dev = cfg80211_get_dev_from_ifindex(ifidx); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_put_netdev; + } + + if (!dev->ops->dump_station) { + err = -ENOSYS; + goto out_err; + } + + rtnl_lock(); + + while (1) { + err = dev->ops->dump_station(&dev->wiphy, netdev, sta_idx, + mac_addr, &sinfo); + if (err == -ENOENT) break; - if (++wp_idx < wp_start) - continue; - if_idx = 0; + if (err) + goto out_err_rtnl; - mutex_lock(&dev->devlist_mtx); - list_for_each_entry(wdev, &dev->netdev_list, list) { - if (exit) - break; - if (++if_idx < if_start) - continue; - if (!dev->ops->dump_station) - continue; + if (nl80211_send_station(skb, + NETLINK_CB(cb->skb).pid, + cb->nlh->nlmsg_seq, NLM_F_MULTI, + netdev, mac_addr, + &sinfo) < 0) + goto out; - for (;; ++sta_idx) { - rtnl_lock(); - err = dev->ops->dump_station(&dev->wiphy, - wdev->netdev, sta_idx, mac_addr, - &sinfo); - rtnl_unlock(); - if (err) { - sta_idx = 0; - break; - } - if (nl80211_send_station(skb, - NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - wdev->netdev, mac_addr, - &sinfo) < 0) { - exit = 1; - break; - } - } - } - mutex_unlock(&dev->devlist_mtx); + sta_idx++; } - mutex_unlock(&cfg80211_drv_mutex); - cb->args[0] = wp_idx; - cb->args[1] = if_idx; - cb->args[2] = sta_idx; - return skb->len; + out: + cb->args[1] = sta_idx; + err = skb->len; + out_err_rtnl: + rtnl_unlock(); + out_err: + cfg80211_put_dev(dev); + out_put_netdev: + dev_put(netdev); + + return err; } static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) @@ -1016,7 +1037,7 @@ static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1112,7 +1133,7 @@ static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) params.plink_action = nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1172,7 +1193,7 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) ¶ms.station_flags)) return -EINVAL; - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1207,7 +1228,7 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1277,68 +1298,78 @@ static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq, } static int nl80211_dump_mpath(struct sk_buff *skb, - struct netlink_callback *cb) + struct netlink_callback *cb) { - int wp_idx = 0; - int if_idx = 0; - int sta_idx = cb->args[2]; - int wp_start = cb->args[0]; - int if_start = cb->args[1]; struct mpath_info pinfo; struct cfg80211_registered_device *dev; - struct wireless_dev *wdev; + struct net_device *netdev; u8 dst[ETH_ALEN]; u8 next_hop[ETH_ALEN]; + int ifidx = cb->args[0]; + int path_idx = cb->args[1]; int err; - int exit = 0; - /* TODO: filter by device */ - mutex_lock(&cfg80211_drv_mutex); - list_for_each_entry(dev, &cfg80211_drv_list, list) { - if (exit) + if (!ifidx) { + err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, + nl80211_fam.attrbuf, nl80211_fam.maxattr, + nl80211_policy); + if (err) + return err; + + if (!nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]) + return -EINVAL; + + ifidx = nla_get_u32(nl80211_fam.attrbuf[NL80211_ATTR_IFINDEX]); + if (!ifidx) + return -EINVAL; + } + + netdev = dev_get_by_index(&init_net, ifidx); + if (!netdev) + return -ENODEV; + + dev = cfg80211_get_dev_from_ifindex(ifidx); + if (IS_ERR(dev)) { + err = PTR_ERR(dev); + goto out_put_netdev; + } + + if (!dev->ops->dump_mpath) { + err = -ENOSYS; + goto out_err; + } + + rtnl_lock(); + + while (1) { + err = dev->ops->dump_mpath(&dev->wiphy, netdev, path_idx, + dst, next_hop, &pinfo); + if (err == -ENOENT) break; - if (++wp_idx < wp_start) - continue; - if_idx = 0; + if (err) + goto out_err_rtnl; - mutex_lock(&dev->devlist_mtx); - list_for_each_entry(wdev, &dev->netdev_list, list) { - if (exit) - break; - if (++if_idx < if_start) - continue; - if (!dev->ops->dump_mpath) - continue; + if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).pid, + cb->nlh->nlmsg_seq, NLM_F_MULTI, + netdev, dst, next_hop, + &pinfo) < 0) + goto out; - for (;; ++sta_idx) { - rtnl_lock(); - err = dev->ops->dump_mpath(&dev->wiphy, - wdev->netdev, sta_idx, dst, - next_hop, &pinfo); - rtnl_unlock(); - if (err) { - sta_idx = 0; - break; - } - if (nl80211_send_mpath(skb, - NETLINK_CB(cb->skb).pid, - cb->nlh->nlmsg_seq, NLM_F_MULTI, - wdev->netdev, dst, next_hop, - &pinfo) < 0) { - exit = 1; - break; - } - } - } - mutex_unlock(&dev->devlist_mtx); + path_idx++; } - mutex_unlock(&cfg80211_drv_mutex); - cb->args[0] = wp_idx; - cb->args[1] = if_idx; - cb->args[2] = sta_idx; - return skb->len; + out: + cb->args[1] = path_idx; + err = skb->len; + out_err_rtnl: + rtnl_unlock(); + out_err: + cfg80211_put_dev(dev); + out_put_netdev: + dev_put(netdev); + + return err; } static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) @@ -1358,7 +1389,7 @@ static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1411,7 +1442,7 @@ static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1446,7 +1477,7 @@ static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; @@ -1475,7 +1506,7 @@ static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_MAC]) dst = nla_data(info->attrs[NL80211_ATTR_MAC]); - err = get_drv_dev_by_info_ifindex(info, &drv, &dev); + err = get_drv_dev_by_info_ifindex(info->attrs, &drv, &dev); if (err) return err; -- John W. Linville linville@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
