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2010-07-12rt2x00: Fix vgc_level_reg handlingIvo van Doorn3-8/+16
Currently vgc_level_reg and vgc_level are equal to eachother, while the purpose of vgc_level_reg is the value last written to the register and is remembered through link tuning resets. The vgc_level is the currently active level, which is reset during link tuning resets. The usage of these variables depends on the drivers, some drivers need both, while others need only one of the two. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12rt2x00: Disable link tuning while scanningIvo van Doorn9-4/+47
While scanning the link tuner must be disabled. Otherwise it will interfere with receiving all beacons for each channel due to changing sensitivity levels. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12rt2x00: Rename CONFIG_DISABLE_LINK_TUNINGIvo van Doorn9-17/+13
Rename CONFIG_DISABLE_LINK_TUNING to DRIVER_SUPPORT_LINK_TUNING Link tuning support is not only based on EEPROM decisions, but also if the device actually supports it. Currently only rt2500usb doesn't support link tuning because of hardware problems. But rt2800usb is also suspected of having problems with link tuning. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12rt2x00: Convert AGC value from descriptor to RSSI (dBm)Ivo van Doorn5-10/+55
The RSSI values in the RXWI descriptor aren't true RSSI values. Instead they are more like the AGC values similar to rt61pci. And as such, it needs the same conversion before it can be passed to rt2x00lib/mac80211. This requires the struct queue_entry to be passed to rt2800_process_rxwi rather then the skb structure which is contained in the queue_entry. This is required to obtain the lna_gain information from the rt2x00_dev structure. This fixes connection problems when using wpa_supplicant which would try to connect to the worst AP's rather then the best ones. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12rt2x00: Limit txpower by eeprom valuesHelmut Schaa2-53/+120
Limit the txpower per rate by the approriate values in the eeprom. This avoids too high txpower values resulting in bad tx performance. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12hostap: fixup strlen() mathDan Carpenter1-1/+1
In hostap_add_interface() we do: sprintf(dev->name, "%s%s", prefix, name); dev->name has IFNAMSIZ (16) characters. prefix is local->dev->name. name is "wds%d" strlen() returns the number of characters in the string not counting the NULL so if we have a string with 11 characters we get "12345678901wds%d" which is 16 characters and a NULL so we're past the end of the array. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12adm8211: fix memory leakKulikov Vasiliy1-1/+4
We must free priv->eeprom allocated in adm8211_read_eeprom(). Signed-off-by: Kulikov Vasiliy <segooon@gmail.com> Acked-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12prism54: call BUG_ON() earlierDan Carpenter1-1/+1
This test is off by one because strlen() doesn't include the NULL terminator. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12wl1271: use __packed annotationLuciano Coelho2-5/+5
This patch changes __attribute__ ((packed)) annotations to __packed in wl1271 code that was introduced in a recent patch in wireless-testing. Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12libertas: Added support for host sleep featureAmitkumar Karwar5-33/+142
Existing "ethtool -s ethX wol X" command configures hostsleep parameters, but those are activated only during suspend/resume, there is no way to configure host sleep without actual suspend. This patch adds debugfs command to enable/disable host sleep based on already configured host sleep parameters using wol command. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Kiran Divekar <dkiran@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12cfg80211: ignore spurious deauthJohannes Berg1-4/+4
Ever since mac80211/drivers are no longer fully in charge of keeping track of the auth status, trying to make them do so will fail. Instead of warning and reporting the deauthentication to userspace, cfg80211 must simply ignore it so that spurious deauthentications, e.g. before starting authentication, aren't seen by userspace as actual deauthentications. Cc: stable@kernel.org Reported-by: Paul Stewart <pstew@google.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-12MAINTAINERS: mark adm8211 as an orphanJohn W. Linville1-3/+1
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-09iwlagn: fix the bit mask of a FH register in stop Tx DMA flowEmmanuel Grumbach2-8/+6
When we stop the Tx DMA channels, we poll bits 16:31 in FH_TSSR_RX_STATUS_REG. From 4965 and up, only the bits 16:26 are legal. Bits 27:31 are not used and are always unset. Polling them will lead to fail on timeout but since the timeout is quite small, the stall was not felt. Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-07-09iwlagn: more generic description for iwlagn devicesWey-Yi Guy1-2/+7
Intel Wireless WiFi Next Gen AGN support two major categories: 1. Intel Wireless WiFi 4965 AGN device 2. Intel Wireless-N/Advanced-N/Ultimate-N family Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-07-09iwlwifi: correct descriptions of advanced ucode errorsJay Sternberg1-6/+30
ucode errors were redefined in new ucode images and all new errors were showing as advanced sysasserts which was misleading. new errors are not sequential so additional lookup table added. errors do not overlap so both are used to support older and newer ucode images. Signed-off-by: Jay Sternberg <jay.e.sternberg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-07-09iwlwifi: enable 6050 series Gen2 devicesShanyu Zhao5-0/+52
To enable 6050 series Gen 2 devices: 1) new PCI_IDs are added; 2) new EEPROM version and calibration version numbers defined; 3) new hardware REV number defined; Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-07-08wl1271: use per-channel max tx power passed by mac80211 when scanningLuciano Coelho1-1/+1
We were always using the max transmit power when scanning. Now we use the values passed to the driver by the mac80211 stack, so that we comply with regulations. Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Reviewed-by: Saravanan Dhanabal <ext-saravanan.dhanabal@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: rewritten scanning codeLuciano Coelho5-141/+211
This patch is a complete rewrite of the scanning code. It now includes a state machine to scan all four possible sets of channels independently: 2.4GHz active, 2.4GHz passive, 5GHz active and 5GHz passive. The wl1271 firmware doesn't allow these sets to be mixed, so up to several scan commands have to be issued. This patch also allows scanning more than 24 channels per set, by breaking the sets into smaller parts if needed (the firmware can scan a maximum of 24 channels at a time). Previously, the scanning code was erroneously scanning all channels possible actively, not complying with the CRDA values. This is also fixed with this patch. Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Reviewed-by: Saravanan Dhanabal <ext-saravanan.dhanabal@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: moved scan operations to a separate fileLuciano Coelho7-240/+303
The scanning code is going to get a bit more complex, with proper support for active/passive scans together with 2.4GHz and 5GHz. In the future, also a new type of scan (periodic scan) will be added. When all this is implemented, the code is going to be much more complex, so we'd better separate it into a separate file. This patch doesn't have any impact on functionality. Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Reviewed-by: Saravanan Dhanabal <ext-saravanan.dhanabal@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Update interface to temporarily disable dynamic PSJuuso Oikarinen2-4/+4
The mac80211 interface to temporarily disable dynamic PS changed, make corresponding changes to the driver. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Saravanan Dhanabal <ext-saravanan.dhanabal@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Fix warning when disconnecting and ad-hoc networkJuuso Oikarinen1-1/+2
Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Disable dynamic PS based on BT co-ext sense eventsJuuso Oikarinen3-2/+18
This patch requests mac80211 to disable dynamic PSM based on sense events coming from the firmware. Effectively, whenever there is bluetooth traffic, the mac80211 is forced into full PSM mode. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Update hardware ARP filtering configuration handlingJuuso Oikarinen3-54/+19
The interface for hardware ARP configuration changed in the mac80211. Change driver accordingly. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: read fem manufacturer value from nvsLuciano Coelho3-17/+3
We should read the fem manufacturer value from the NVS, so we can modify it easily and use a consistent value throughout the configuration. Previously we had to set the FEM value in the NVS and in the driver's initialization parameters. This patch removes the latter. Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Work around AP's with broken ps-poll functionalityJuuso Oikarinen6-2/+88
Some AP's (such as Zyxel Prestige 600) have totally broken ps-poll functionality. When powersave is enabled, these AP's will set the TIM bit for a STA in beacons, but when the STA responds with a ps-poll, the AP does not respond with data. The wl1271 firmware is able to send an indication to the host, when this problem occurs. This patch adds implementation, which temporarily disables power-save in response to this indication, allowing the AP to transmit whatever data it has buffered for the STA / whatever data is inbound at that time. This patch does not make these AP's work reliably in PSM, but improves the chances of inbound data getting through. The side effect of this patch is increased power consumption when using a faulty AP. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Use all basic rates for ps-poll, instead of just the slowestJuuso Oikarinen1-1/+1
This improves ps-poll handling in WLAN PSM. It also improves performance, including WLAN-BT co-existence reliability. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Use the ARP configuration function from mac80211Juuso Oikarinen3-108/+56
This patch updates the driver to use the ARP configuration function from the mac80211. Also, clean up IPv6 support from the ACX function as ARP is not used with that protocol version. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Add TSF handlingJuuso Oikarinen4-6/+65
Add functionality to pass the current TSF (mac time) to the mac80211. This is needed for ad-hoc merging. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08wl1271: Remove calibration from join commandJuuso Oikarinen1-104/+0
This patch removes the calibration performed on the first join command. The reasoning is that this is unnecessary as devices get their calibration data via the NVS file, and because the commands break BT coexistence. This is actually safe, because of the implementation the calibration was executed on the first JOIN anyway, after an ifdown/ifup the devices have relied on the NVS for calibration anyway (== most of the time.) Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Teemu Paasikivi <ext-teemu.3.paasikivi@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-08mac80211: remove wep dependencyJohn W. Linville7-21/+30
The current mac80211 code assumes that WEP is always available. If WEP fails to initialize, ieee80211_register_hw will always fail. In some cases (e.g. FIPS certification), the cryptography used by WEP is unavailable. However, in such cases there is no good reason why CCMP encryption (or even no link level encryption) cannot be used. So, this patch removes mac80211's assumption that WEP (and TKIP) will always be available for use. Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-07ath9k: fix a buffer leak in A-MPDU completionFelix Fietkau1-0/+5
When ath_tx_complete_aggr() is called, it's responsible for returning all buffers in the linked list. This was not done when the STA lookup failed, leading to a race condition that could leak a few buffers when a STA just disconnected. Fix this by immediately returning all buffers to the free list in this case. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-07ath9k: fix a potential buffer leak in the STA teardown pathFelix Fietkau1-26/+26
It looks like it might be possible for a TID to be paused, while still holding some queued buffers, however ath_tx_node_cleanup currently only iterates over active TIDs. Fix this by always checking every allocated TID for the STA that is being cleaned up. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-07NET: nl80211, fix lock imbalance and netdev referencingJiri Slaby1-1/+1
Stanse found that nl80211_set_wiphy imporperly handles a lock and netdev reference and contains unreachable code. It is because there return statement isntead of assignment to result variable. Fix that. Signed-off-by: Jiri Slaby <jirislaby@gmail.com> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: "John W. Linville" <linville@tuxdriver.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jouni Malinen <j@w1.fi> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: linux-wireless@vger.kernel.org Cc: netdev@vger.kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-06wl12xx: Use MODULE_ALIAS macro at correct postion for SPI busAmeya Palande3-1/+2
(Changed title, was "wl1251: Use MODULE_ALIAS macro at correct postion for SPI bus". -- JWL) Signed-off-by: Ameya Palande <ameya.palande@nokia.com> Acked-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-06Merge branch 'wireless-next-2.6' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-2.6John W. Linville14-89/+477
2010-07-02iwlwifi: adding enhance sensitivity table entriesWey-Yi Guy4-28/+157
For newer devices (6000g2a and 6000g2b), the sensitivity table send to uCode require additional table entries to help sensitivity calibration. All the additional entries has fix data for now, but do expect the value will be change in the future when device become more stable. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
2010-07-02iwlwifi: generic parameter define for _agn deviceWey-Yi Guy4-10/+10
Code clean up to change name from having 5000 as part of name which easy to confuse and think it is for 5000 series devices to more generic _agn name since it is being used by multiple _agn devices. No functional changes. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: debugfs file for txfifo command testingWey-Yi Guy1-0/+27
Add debugfs file for REPLY_TXFIFO_FLUSH host command testing. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: add support for device tx flush requestWey-Yi Guy8-1/+44
"Flush" request can come from two different sources, it can either from mac80211, or from device when the operation is needed. Here adding the support for device issue "flush" request. When receive tx complete with status is TX_STATUS_FAIL_RFKILL_FLUSH, issue REPLY_TXFIFO_FLUSH command to uCode to flush out all the tx frames in queues. In this condition, since mac80211 has no knowledge of "flush" operation, driver need to stop all the tx queues and wait for the operation completed before wake up the queues for frames transmission. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: add mac80211 flush callback supportWey-Yi Guy8-0/+114
Adding flush callback support in the driver. Two type of flush can be issued by mac80211: 1. drop = true: frame drop is ok, issue REPLY_TXFIFO_FLUSH host command to uCode to drop all the frames in tx fifo queues; then return the control back to mac80211 2. drop = false: wait for either all the frames in tx fifo queues been transmitted, or timeout; then return the control back to mac80211 If the flush request coming from mac80211, mac80211 will make sure there are no additional frames push down to driver before flush operation is completed. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: tx fifo queue flush commandWey-Yi Guy2-0/+35
Add host command and structure for tx fifo queue flush Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: add debug print for parsing firmware TLVWey-Yi Guy1-38/+63
When parsing TLV during loading firmware, if encounter any TLV error, log the error message to help debugging. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02iwlwifi: fix fw_restart module parameterWey-Yi Guy4-12/+27
fw_restart module parameter was broken by the recent check for stuck queue patch, driver check the fx_restart module parameter before reload the firmware; but the stuck queue timer kick in after firmware error and reload the firmware even fw_restart=0. In this case, driver should not reload the firmware, it is important to help debugging uCode error. The only case we can ignore the module parameter is when user request firmware reload from debugfs, which can bypass the checking and perform firmware reload all the time. Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
2010-07-02minstrel_ht: fix check for downgrading of top2 rateMing Lei1-2/+2
The check should be against current top2 rate, instead of current top rate. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02minstrel_ht: fix updating rate with best probabilityMing Lei1-0/+2
The throughput should be considered when updating rate with best probability. Signed-off-by: Ming Lei <tom.leiming@gmail.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02ath9k: fix crash with WEP in ad-hoc modeFelix Fietkau1-0/+4
Commit eed8e22f0133e8278b1f8079fcb452f1f9692f9d added support for using multicast key lookup to support per-vif/sta keys for AP and ad-hoc. Unfortunately, it also introduced a crash in ad-hoc mode when the sta pointer is NULL, which happens when setting up an interface with WEP keys. This patch fixes it by falling back to the assigned key index. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Reported-by: Senthil Balasubramanian <senthilkumar@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02ath9k: fix false positives in the baseband hang checkFelix Fietkau3-2/+28
ath9k_hw_check_alive() occasionally returns false, as the hardware is still processing data in a specific state. Fix this issue by repeating the test a few times with longer delay inbetween attempts. This gets rid of excessive hardware resets that appear frequently on some AR9132 based devices, but could also happen on AR9280. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Reported-by: Björn Smedman <bjorn.smedman@venatech.se> Cc: stable@kernel.org Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02ath9k_hw: clean up the noise floor calibration code to reduce code duplicationFelix Fietkau5-96/+31
Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02ath9k_hw: sanitize noise floor values properly on all chipsFelix Fietkau8-95/+120
This refactors the noise floor range checks to make them generic, and adds proper ranges for each supported chip type. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2010-07-02ath9k_hw: sync initvals for ar9001 and ar9002 with AtherosFelix Fietkau2-113/+117
This includes the following changes/fixes: - a bugfix for stuck beacon issues - timing changes for improved performance - AGC setting improvements - fixes for high temperature issues on some chips Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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