diff options
25 files changed, 207 insertions, 78 deletions
diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index a5ac2bd58b5b..4f3ada622f9b 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -2101,6 +2101,9 @@ static int gelic_wl_associate_bss(struct gelic_wl_info *wl, if (ret) { pr_debug("%s: WEP/WPA setup failed %d\n", __func__, ret); + ret = -EPERM; + gelic_wl_send_iwap_event(wl, NULL); + goto out; } /* start association */ diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c index f21a6171c691..c36d3a3d655f 100644 --- a/drivers/net/wireless/airo.c +++ b/drivers/net/wireless/airo.c @@ -6713,11 +6713,11 @@ static int airo_set_auth(struct net_device *dev, local->config.authType = AUTH_ENCRYPT; } else return -EINVAL; - break; /* Commit the changes to flags if needed */ if (local->config.authType != currentAuthType) set_bit (FLAG_COMMIT, &local->flags); + break; } case IW_AUTH_WPA_ENABLED: diff --git a/drivers/net/wireless/ar9170/hw.h b/drivers/net/wireless/ar9170/hw.h index 13091bd9d815..53e250a4278f 100644 --- a/drivers/net/wireless/ar9170/hw.h +++ b/drivers/net/wireless/ar9170/hw.h @@ -310,7 +310,7 @@ struct ar9170_tx_control { struct ar9170_rx_head { u8 plcp[12]; -}; +} __packed; struct ar9170_rx_tail { union { @@ -318,16 +318,16 @@ struct ar9170_rx_tail { u8 rssi_ant0, rssi_ant1, rssi_ant2, rssi_ant0x, rssi_ant1x, rssi_ant2x, rssi_combined; - }; + } __packed; u8 rssi[7]; - }; + } __packed; u8 evm_stream0[6], evm_stream1[6]; u8 phy_err; u8 SAidx, DAidx; u8 error; u8 status; -}; +} __packed; #define AR9170_ENC_ALG_NONE 0x0 #define AR9170_ENC_ALG_WEP64 0x1 diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c index ad296840893e..c9e422ead925 100644 --- a/drivers/net/wireless/ar9170/usb.c +++ b/drivers/net/wireless/ar9170/usb.c @@ -59,6 +59,8 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0cf3, 0x9170) }, /* Atheros TG121N */ { USB_DEVICE(0x0cf3, 0x1001) }, + /* Cace Airpcap NX */ + { USB_DEVICE(0xcace, 0x0300) }, /* D-Link DWA 160A */ { USB_DEVICE(0x07d1, 0x3c10) }, /* Netgear WNDA3100 */ @@ -67,6 +69,8 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0846, 0x9001) }, /* Zydas ZD1221 */ { USB_DEVICE(0x0ace, 0x1221) }, + /* ZyXEL NWD271N */ + { USB_DEVICE(0x0586, 0x3417) }, /* Z-Com UB81 BG */ { USB_DEVICE(0x0cde, 0x0023) }, /* Z-Com UB82 ABG */ diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c index 0c02f1c2bd94..744f4f4dd3d1 100644 --- a/drivers/net/wireless/at76c50x-usb.c +++ b/drivers/net/wireless/at76c50x-usb.c @@ -250,6 +250,8 @@ static struct usb_device_id dev_table[] = { { USB_DEVICE(0x03eb, 0x7617), USB_DEVICE_DATA(BOARD_505A) }, /* Siemens Gigaset USB WLAN Adapter 11 */ { USB_DEVICE(0x1690, 0x0701), USB_DEVICE_DATA(BOARD_505A) }, + /* OQO Model 01+ Internal Wi-Fi */ + { USB_DEVICE(0x1557, 0x0002), USB_DEVICE_DATA(BOARD_505A) }, /* * at76c505amx-rfmd */ diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c index 71cb18d6757d..dd1f30156740 100644 --- a/drivers/net/wireless/ath9k/recv.c +++ b/drivers/net/wireless/ath9k/recv.c @@ -493,6 +493,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) int hdrlen, padsize, retval; bool decrypt_error = false; u8 keyix; + __le16 fc; spin_lock_bh(&sc->rx.rxbuflock); @@ -606,6 +607,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) /* see if any padding is done by the hw and remove it */ hdr = (struct ieee80211_hdr *)skb->data; hdrlen = ieee80211_get_hdrlen_from_skb(skb); + fc = hdr->frame_control; /* The MAC header is padded to have 32-bit boundary if the * packet payload is non-zero. The general calculation for @@ -690,7 +692,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush) sc->rx.rxotherant = 0; } - if (ieee80211_is_beacon(hdr->frame_control) && + if (ieee80211_is_beacon(fc) && (sc->sc_flags & SC_OP_WAIT_FOR_BEACON)) { sc->sc_flags &= ~SC_OP_WAIT_FOR_BEACON; ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP); diff --git a/drivers/net/wireless/b43/dma.c b/drivers/net/wireless/b43/dma.c index e228c1de6e11..eae680b53052 100644 --- a/drivers/net/wireless/b43/dma.c +++ b/drivers/net/wireless/b43/dma.c @@ -555,11 +555,32 @@ address_error: return 1; } +static bool b43_rx_buffer_is_poisoned(struct b43_dmaring *ring, struct sk_buff *skb) +{ + unsigned char *f = skb->data + ring->frameoffset; + + return ((f[0] & f[1] & f[2] & f[3] & f[4] & f[5] & f[6] & f[7]) == 0xFF); +} + +static void b43_poison_rx_buffer(struct b43_dmaring *ring, struct sk_buff *skb) +{ + struct b43_rxhdr_fw4 *rxhdr; + unsigned char *frame; + + /* This poisons the RX buffer to detect DMA failures. */ + + rxhdr = (struct b43_rxhdr_fw4 *)(skb->data); + rxhdr->frame_len = 0; + + B43_WARN_ON(ring->rx_buffersize < ring->frameoffset + sizeof(struct b43_plcp_hdr6) + 2); + frame = skb->data + ring->frameoffset; + memset(frame, 0xFF, sizeof(struct b43_plcp_hdr6) + 2 /* padding */); +} + static int setup_rx_descbuffer(struct b43_dmaring *ring, struct b43_dmadesc_generic *desc, struct b43_dmadesc_meta *meta, gfp_t gfp_flags) { - struct b43_rxhdr_fw4 *rxhdr; dma_addr_t dmaaddr; struct sk_buff *skb; @@ -568,6 +589,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); if (unlikely(!skb)) return -ENOMEM; + b43_poison_rx_buffer(ring, skb); dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { /* ugh. try to realloc in zone_dma */ @@ -578,6 +600,7 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, skb = __dev_alloc_skb(ring->rx_buffersize, gfp_flags); if (unlikely(!skb)) return -ENOMEM; + b43_poison_rx_buffer(ring, skb); dmaaddr = map_descbuffer(ring, skb->data, ring->rx_buffersize, 0); if (b43_dma_mapping_error(ring, dmaaddr, ring->rx_buffersize, 0)) { @@ -592,9 +615,6 @@ static int setup_rx_descbuffer(struct b43_dmaring *ring, ring->ops->fill_descriptor(ring, desc, dmaaddr, ring->rx_buffersize, 0, 0, 0); - rxhdr = (struct b43_rxhdr_fw4 *)(skb->data); - rxhdr->frame_len = 0; - return 0; } @@ -1483,12 +1503,17 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) len = le16_to_cpu(rxhdr->frame_len); } while (len == 0 && i++ < 5); if (unlikely(len == 0)) { - /* recycle the descriptor buffer. */ - sync_descbuffer_for_device(ring, meta->dmaaddr, - ring->rx_buffersize); - goto drop; + dmaaddr = meta->dmaaddr; + goto drop_recycle_buffer; } } + if (unlikely(b43_rx_buffer_is_poisoned(ring, skb))) { + /* Something went wrong with the DMA. + * The device did not touch the buffer and did not overwrite the poison. */ + b43dbg(ring->dev->wl, "DMA RX: Dropping poisoned buffer.\n"); + dmaaddr = meta->dmaaddr; + goto drop_recycle_buffer; + } if (unlikely(len > ring->rx_buffersize)) { /* The data did not fit into one descriptor buffer * and is split over multiple buffers. @@ -1501,6 +1526,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) while (1) { desc = ops->idx2desc(ring, *slot, &meta); /* recycle the descriptor buffer. */ + b43_poison_rx_buffer(ring, meta->skb); sync_descbuffer_for_device(ring, meta->dmaaddr, ring->rx_buffersize); *slot = next_slot(ring, *slot); @@ -1519,8 +1545,7 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) err = setup_rx_descbuffer(ring, desc, meta, GFP_ATOMIC); if (unlikely(err)) { b43dbg(ring->dev->wl, "DMA RX: setup_rx_descbuffer() failed\n"); - sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); - goto drop; + goto drop_recycle_buffer; } unmap_descbuffer(ring, dmaaddr, ring->rx_buffersize, 0); @@ -1530,6 +1555,11 @@ static void dma_rx(struct b43_dmaring *ring, int *slot) b43_rx(ring->dev, skb, rxhdr); drop: return; + +drop_recycle_buffer: + /* Poison and recycle the RX buffer. */ + b43_poison_rx_buffer(ring, skb); + sync_descbuffer_for_device(ring, dmaaddr, ring->rx_buffersize); } void b43_dma_rx(struct b43_dmaring *ring) diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 4896e0831114..79b685e300c7 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -3974,6 +3974,11 @@ static void setup_struct_phy_for_init(struct b43_wldev *dev, phy->next_txpwr_check_time = jiffies; /* PHY TX errors counter. */ atomic_set(&phy->txerr_cnt, B43_PHY_TX_BADNESS_LIMIT); + +#if B43_DEBUG + phy->phy_locked = 0; + phy->radio_locked = 0; +#endif } static void setup_struct_wldev_for_init(struct b43_wldev *dev) diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c index 026b61c03fb9..e176b6e0d9cf 100644 --- a/drivers/net/wireless/b43/phy_common.c +++ b/drivers/net/wireless/b43/phy_common.c @@ -131,12 +131,16 @@ void b43_radio_lock(struct b43_wldev *dev) { u32 macctl; +#if B43_DEBUG + B43_WARN_ON(dev->phy.radio_locked); + dev->phy.radio_locked = 1; +#endif + macctl = b43_read32(dev, B43_MMIO_MACCTL); - B43_WARN_ON(macctl & B43_MACCTL_RADIOLOCK); macctl |= B43_MACCTL_RADIOLOCK; b43_write32(dev, B43_MMIO_MACCTL, macctl); - /* Commit the write and wait for the device - * to exit any radio register access. */ + /* Commit the write and wait for the firmware + * to finish any radio register access. */ b43_read32(dev, B43_MMIO_MACCTL); udelay(10); } @@ -145,11 +149,15 @@ void b43_radio_unlock(struct b43_wldev *dev) { u32 macctl; +#if B43_DEBUG + B43_WARN_ON(!dev->phy.radio_locked); + dev->phy.radio_locked = 0; +#endif + /* Commit any write */ b43_read16(dev, B43_MMIO_PHY_VER); /* unlock */ macctl = b43_read32(dev, B43_MMIO_MACCTL); - B43_WARN_ON(!(macctl & B43_MACCTL_RADIOLOCK)); macctl &= ~B43_MACCTL_RADIOLOCK; b43_write32(dev, B43_MMIO_MACCTL, macctl); } diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h index c9f5430d1d7d..b2d99101947b 100644 --- a/drivers/net/wireless/b43/phy_common.h +++ b/drivers/net/wireless/b43/phy_common.h @@ -245,8 +245,10 @@ struct b43_phy { atomic_t txerr_cnt; #ifdef CONFIG_B43_DEBUG - /* PHY registers locked by b43_phy_lock()? */ + /* PHY registers locked (w.r.t. firmware) */ bool phy_locked; + /* Radio registers locked (w.r.t. firmware) */ + bool radio_locked; #endif /* B43_DEBUG */ }; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index ce729281ff62..8d738d752487 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -4913,6 +4913,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv) hw->wiphy->custom_regulatory = true; + hw->wiphy->max_scan_ssids = 1; /* WILL FIX */ + /* Default value; 4 EDCA QOS priorities */ hw->queues = 4; diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c index 63d7e19ce9bd..8e669775cb5d 100644 --- a/drivers/net/wireless/libertas/rx.c +++ b/drivers/net/wireless/libertas/rx.c @@ -170,6 +170,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) lbs_deb_rx("rx err: frame received with bad length\n"); dev->stats.rx_length_errors++; ret = 0; + dev_kfree_skb(skb); goto done; } @@ -181,6 +182,7 @@ int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb) lbs_pr_alert("rxpd not ok\n"); dev->stats.rx_errors++; ret = 0; + dev_kfree_skb(skb); goto done; } diff --git a/drivers/net/wireless/orinoco/hw.c b/drivers/net/wireless/orinoco/hw.c index 081428d9409e..632fac86a308 100644 --- a/drivers/net/wireless/orinoco/hw.c +++ b/drivers/net/wireless/orinoco/hw.c @@ -372,15 +372,13 @@ int __orinoco_hw_set_tkip_key(hermes_t *hw, int key_idx, int set_tx, } /* Wait upto 100ms for tx queue to empty */ - k = 100; - do { - k--; + for (k = 100; k > 0; k--) { udelay(1000); ret = hermes_read_wordrec(hw, USER_BAP, HERMES_RID_TXQUEUEEMPTY, &xmitting); - if (ret) + if (ret || !xmitting) break; - } while ((k > 0) && xmitting); + } if (k == 0) ret = -ETIMEDOUT; diff --git a/drivers/net/wireless/p54/p54.h b/drivers/net/wireless/p54/p54.h index 2dda5fe418b6..ecf8b6ed5a47 100644 --- a/drivers/net/wireless/p54/p54.h +++ b/drivers/net/wireless/p54/p54.h @@ -14,9 +14,9 @@ * published by the Free Software Foundation. */ -#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS #include <linux/leds.h> -#endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ enum p54_control_frame_types { P54_CONTROL_TYPE_SETUP = 0, @@ -116,7 +116,7 @@ enum fw_state { FW_STATE_RESETTING, }; -#ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS #define P54_LED_MAX_NAME_LEN 31 @@ -129,7 +129,7 @@ struct p54_led_dev { unsigned int registered; }; -#endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ struct p54_common { struct ieee80211_hw *hw; @@ -177,10 +177,10 @@ struct p54_common { u8 privacy_caps; u8 rx_keycache_size; /* LED management */ - #ifdef CONFIG_MAC80211_LEDS +#ifdef CONFIG_P54_LEDS struct p54_led_dev assoc_led; struct p54_led_dev tx_led; - #endif /* CONFIG_MAC80211_LEDS */ +#endif /* CONFIG_P54_LEDS */ u16 softled_state; /* bit field of glowing LEDs */ }; diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c index 2b222aaa6f0a..d1fe577de3d4 100644 --- a/drivers/net/wireless/p54/p54spi.c +++ b/drivers/net/wireless/p54/p54spi.c @@ -457,9 +457,10 @@ static int p54spi_wq_tx(struct p54s_priv *priv) struct ieee80211_tx_info *info; struct p54_tx_info *minfo; struct p54s_tx_info *dinfo; + unsigned long flags; int ret = 0; - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); while (!list_empty(&priv->tx_pending)) { entry = list_entry(priv->tx_pending.next, @@ -467,7 +468,7 @@ static int p54spi_wq_tx(struct p54s_priv *priv) list_del_init(&entry->tx_list); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); dinfo = container_of((void *) entry, struct p54s_tx_info, tx_list); @@ -479,16 +480,14 @@ static int p54spi_wq_tx(struct p54s_priv *priv) ret = p54spi_tx_frame(priv, skb); - spin_lock_bh(&priv->tx_lock); - if (ret < 0) { p54_free_skb(priv->hw, skb); - goto out; + return ret; } - } -out: - spin_unlock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); + } + spin_unlock_irqrestore(&priv->tx_lock, flags); return ret; } @@ -498,12 +497,13 @@ static void p54spi_op_tx(struct ieee80211_hw *dev, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct p54_tx_info *mi = (struct p54_tx_info *) info->rate_driver_data; struct p54s_tx_info *di = (struct p54s_tx_info *) mi->data; + unsigned long flags; BUILD_BUG_ON(sizeof(*di) > sizeof((mi->data))); - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); list_add_tail(&di->tx_list, &priv->tx_pending); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); queue_work(priv->hw->workqueue, &priv->work); } @@ -604,6 +604,7 @@ out: static void p54spi_op_stop(struct ieee80211_hw *dev) { struct p54s_priv *priv = dev->priv; + unsigned long flags; if (mutex_lock_interruptible(&priv->mutex)) { /* FIXME: how to handle this error? */ @@ -615,9 +616,9 @@ static void p54spi_op_stop(struct ieee80211_hw *dev) cancel_work_sync(&priv->work); p54spi_power_off(priv); - spin_lock_bh(&priv->tx_lock); + spin_lock_irqsave(&priv->tx_lock, flags); INIT_LIST_HEAD(&priv->tx_pending); - spin_unlock_bh(&priv->tx_lock); + spin_unlock_irqrestore(&priv->tx_lock, flags); priv->fw_state = FW_STATE_OFF; mutex_unlock(&priv->mutex); diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index da6640afc835..6cc6cbc9234f 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -71,6 +71,7 @@ static struct usb_device_id p54u_table[] __devinitdata = { {USB_DEVICE(0x1260, 0xee22)}, /* SMC 2862W-G version 2 */ {USB_DEVICE(0x13b1, 0x000a)}, /* Linksys WUSB54G ver 2 */ {USB_DEVICE(0x13B1, 0x000C)}, /* Linksys WUSB54AG */ + {USB_DEVICE(0x1413, 0x5400)}, /* Telsey 802.11g USB2.0 Adapter */ {USB_DEVICE(0x1435, 0x0427)}, /* Inventel UR054G */ {USB_DEVICE(0x2001, 0x3704)}, /* DLink DWL-G122 rev A2 */ {USB_DEVICE(0x413c, 0x8102)}, /* Spinnaker DUT */ diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index 05f94e21b423..5752aaae906b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -646,10 +646,8 @@ static int rt2x00lib_probe_hw(struct rt2x00_dev *rt2x00dev) * Register HW. */ status = ieee80211_register_hw(rt2x00dev->hw); - if (status) { - rt2x00lib_remove_hw(rt2x00dev); + if (status) return status; - } set_bit(DEVICE_STATE_REGISTERED_HW, &rt2x00dev->flags); diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 420fff42c0dd..853b2b279b64 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2369,6 +2369,8 @@ static struct usb_device_id rt73usb_device_table[] = { /* Buffalo */ { USB_DEVICE(0x0411, 0x00d8), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x0411, 0x00f4), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x0411, 0x0116), USB_DEVICE_DATA(&rt73usb_ops) }, + { USB_DEVICE(0x0411, 0x0119), USB_DEVICE_DATA(&rt73usb_ops) }, /* CNet */ { USB_DEVICE(0x1371, 0x9022), USB_DEVICE_DATA(&rt73usb_ops) }, { USB_DEVICE(0x1371, 0x9032), USB_DEVICE_DATA(&rt73usb_ops) }, diff --git a/net/mac80211/main.c b/net/mac80211/main.c index a6f1d8a869bc..fbcbed6cad01 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -258,7 +258,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) (chan->max_power - local->power_constr_level) : chan->max_power; - if (local->user_power_level) + if (local->user_power_level >= 0) power = min(power, local->user_power_level); if (local->hw.conf.power_level != power) { diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 7ecda9d59d8a..1619e0cd26e2 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -441,6 +441,9 @@ static bool ieee80211_check_tim(struct ieee802_11_elems *elems, u16 aid) u8 index, indexn1, indexn2; struct ieee80211_tim_ie *tim = (struct ieee80211_tim_ie *) elems->tim; + if (unlikely(!tim || elems->tim_len < 4)) + return false; + aid &= 0x3fff; index = aid / 8; mask = 1 << (aid & 7); @@ -945,9 +948,13 @@ void ieee80211_beacon_loss_work(struct work_struct *work) u.mgd.beacon_loss_work); struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM " - "- sending probe request\n", sdata->dev->name, - sdata->u.mgd.bssid); +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: driver reports beacon loss from AP %pM " + "- sending probe request\n", sdata->dev->name, + sdata->u.mgd.bssid); + } +#endif ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL; ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid, @@ -1007,9 +1014,13 @@ static void ieee80211_associated(struct ieee80211_sub_if_data *sdata) (local->hw.conf.flags & IEEE80211_CONF_PS)) && time_after(jiffies, ifmgd->last_beacon + IEEE80211_MONITORING_INTERVAL)) { - printk(KERN_DEBUG "%s: beacon loss from AP %pM " - "- sending probe request\n", - sdata->dev->name, ifmgd->bssid); +#ifdef CONFIG_MAC80211_VERBOSE_DEBUG + if (net_ratelimit()) { + printk(KERN_DEBUG "%s: beacon loss from AP %pM " + "- sending probe request\n", + sdata->dev->name, ifmgd->bssid); + } +#endif ifmgd->flags |= IEEE80211_STA_PROBEREQ_POLL; ieee80211_send_probe_req(sdata, ifmgd->bssid, ifmgd->ssid, ifmgd->ssid_len, NULL, 0); @@ -2105,12 +2116,13 @@ void ieee80211_dynamic_ps_enable_work(struct work_struct *work) struct ieee80211_local *local = container_of(work, struct ieee80211_local, dynamic_ps_enable_work); + /* XXX: using scan_sdata is completely broken! */ struct ieee80211_sub_if_data *sdata = local->scan_sdata; if (local->hw.conf.flags & IEEE80211_CONF_PS) return; - if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) + if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK && sdata) ieee80211_send_nullfunc(local, sdata, 1); local->hw.conf.flags |= IEEE80211_CONF_PS; diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 64ebe664effc..5fa7aedd90ed 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -29,6 +29,7 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, struct tid_ampdu_rx *tid_agg_rx, struct sk_buff *skb, + struct ieee80211_rx_status *status, u16 mpdu_seq_num, int bar_req); /* @@ -1688,7 +1689,7 @@ ieee80211_rx_h_ctrl(struct ieee80211_rx_data *rx) /* manage reordering buffer according to requested */ /* sequence number */ rcu_read_lock(); - ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, + ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, NULL, NULL, start_seq_num, 1); rcu_read_unlock(); return RX_DROP_UNUSABLE; @@ -2293,6 +2294,7 @@ static inline u16 seq_sub(u16 sq1, u16 sq2) static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, struct tid_ampdu_rx *tid_agg_rx, struct sk_buff *skb, + struct ieee80211_rx_status *rxstatus, u16 mpdu_seq_num, int bar_req) { @@ -2374,6 +2376,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, /* put the frame in the reordering buffer */ tid_agg_rx->reorder_buf[index] = skb; + memcpy(tid_agg_rx->reorder_buf[index]->cb, rxstatus, + sizeof(*rxstatus)); tid_agg_rx->stored_mpdu_num++; /* release the buffer until next missing frame */ index = seq_sub(tid_agg_rx->head_seq_num, tid_agg_rx->ssn) @@ -2399,7 +2403,8 @@ static u8 ieee80211_sta_manage_reorder_buf(struct ieee80211_hw *hw, } static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local, - struct sk_buff *skb) + struct sk_buff *skb, + struct ieee80211_rx_status *status) { struct ieee80211_hw *hw = &local->hw; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -2448,7 +2453,7 @@ static u8 ieee80211_rx_reorder_ampdu(struct ieee80211_local *local, /* according to mpdu sequence number deal with reordering buffer */ mpdu_seq_num = (sc & IEEE80211_SCTL_SEQ) >> 4; - ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, + ret = ieee80211_sta_manage_reorder_buf(hw, tid_agg_rx, skb, status, mpdu_seq_num, 0); end_reorder: return ret; @@ -2512,7 +2517,7 @@ void __ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, return; } - if (!ieee80211_rx_reorder_ampdu(local, skb)) + if (!ieee80211_rx_reorder_ampdu(local, skb, status)) __ieee80211_rx_handle_packet(hw, skb, status, rate); rcu_read_unlock(); diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index deb4ecec122a..959aa8379ccf 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -417,6 +417,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev, { struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); struct ieee80211_channel* chan = local->hw.conf.channel; + bool reconf = false; u32 reconf_flags = 0; int new_power_level; @@ -427,14 +428,38 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev, if (!chan) return -EINVAL; - if (data->txpower.fixed) - new_power_level = min(data->txpower.value, chan->max_power); - else /* Automatic power level setting */ - new_power_level = chan->max_power; + /* only change when not disabling */ + if (!data->txpower.disabled) { + if (data->txpower.fixed) { + if (data->txpower.value < 0) + return -EINVAL; + new_power_level = data->txpower.value; + /* + * Debatable, but we cannot do a fixed power + * level above the regulatory constraint. + * Use "iwconfig wlan0 txpower 15dBm" instead. + */ + if (new_power_level > chan->max_power) + return -EINVAL; + } else { + /* + * Automatic power level setting, max being the value + * passed in from userland. + */ + if (data->txpower.value < 0) + new_power_level = -1; + else + new_power_level = data->txpower.value; + } + + reconf = true; - local->user_power_level = new_power_level; - if (local->hw.conf.power_level != new_power_level) - reconf_flags |= IEEE80211_CONF_CHANGE_POWER; + /* + * ieee80211_hw_config() will limit to the channel's + * max power and possibly power constraint from AP. + */ + local->user_power_level = new_power_level; + } if (local->hw.conf.radio_enabled != !(data->txpower.disabled)) { local->hw.conf.radio_enabled = !(data->txpower.disabled); @@ -442,7 +467,7 @@ static int ieee80211_ioctl_siwtxpower(struct net_device *dev, ieee80211_led_radio(local, local->hw.conf.radio_enabled); } - if (reconf_flags) + if (reconf || reconf_flags) ieee80211_hw_config(local, reconf_flags); return 0; @@ -530,7 +555,7 @@ static int ieee80211_ioctl_giwfrag(struct net_device *dev, struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); frag->value = local->fragmentation_threshold; - frag->disabled = (frag->value >= IEEE80211_MAX_RTS_THRESHOLD); + frag->disabled = (frag->value >= IEEE80211_MAX_FRAG_THRESHOLD); frag->fixed = 1; return 0; diff --git a/net/wireless/core.h b/net/wireless/core.h index d43daa236ef9..0a592e4295f0 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -90,7 +90,7 @@ struct cfg80211_internal_bss { struct rb_node rbn; unsigned long ts; struct kref ref; - bool hold; + bool hold, ies_allocated; /* must be last because of priv member */ struct cfg80211_bss pub; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 6327e1617acb..6c1993d99902 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2095,11 +2095,12 @@ int set_regdom(const struct ieee80211_regdomain *rd) /* Caller must hold cfg80211_mutex */ void reg_device_remove(struct wiphy *wiphy) { - struct wiphy *request_wiphy; + struct wiphy *request_wiphy = NULL; assert_cfg80211_lock(); - request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); + if (last_request) + request_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); kfree(wiphy->regd); if (!last_request || !request_wiphy) diff --git a/net/wireless/scan.c b/net/wireless/scan.c index 2a00e362f5fe..2ae65b39b529 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -58,6 +58,10 @@ static void bss_release(struct kref *ref) bss = container_of(ref, struct cfg80211_internal_bss, ref); if (bss->pub.free_priv) bss->pub.free_priv(&bss->pub); + + if (bss->ies_allocated) + kfree(bss->pub.information_elements); + kfree(bss); } @@ -360,19 +364,41 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev, found = rb_find_bss(dev, res); - if (found && overwrite) { - list_replace(&found->list, &res->list); - rb_replace_node(&found->rbn, &res->rbn, - &dev->bss_tree); - kref_put(&found->ref, bss_release); - found = res; - } else if (found) { + if (found) { kref_get(&found->ref); found->pub.beacon_interval = res->pub.beacon_interval; found->pub.tsf = res->pub.tsf; found->pub.signal = res->pub.signal; found->pub.capability = res->pub.capability; found->ts = res->ts; + + /* overwrite IEs */ + if (overwrite) { + size_t used = dev->wiphy.bss_priv_size + sizeof(*res); + size_t ielen = res->pub.len_information_elements; + + if (ksize(found) >= used + ielen) { + memcpy(found->pub.information_elements, + res->pub.information_elements, ielen); + found->pub.len_information_elements = ielen; + } else { + u8 *ies = found->pub.information_elements; + + if (found->ies_allocated) { + if (ksize(ies) < ielen) + ies = krealloc(ies, ielen, + GFP_ATOMIC); + } else + ies = kmalloc(ielen, GFP_ATOMIC); + + if (ies) { + memcpy(ies, res->pub.information_elements, ielen); + found->ies_allocated = true; + found->pub.information_elements = ies; + } + } + } + kref_put(&res->ref, bss_release); } else { /* this "consumes" the reference */ |