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2012-04-09iwlwifi: move ucode error log reporting to op_modeMeenakshi Venkataraman
Error log reporting does not belong to the transport layer, but to the op_mode loading the ucode, as it is the entity which knows about the ucode loaded, and what the error information means. Move device logging pointers from the transport layer to op_mode. With this change, transport layer only reports an error to the op_mode, which will figure out what to do with the error. This causes the driver to now dump out error logs when the command queue is stuck as well. Also, move the debugfs entry for event logs out of the transport layer and into op_mode. Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: make iwl_nic_error staticMeenakshi Venkataraman
iwl_nic_error is used in iwl-agn.c only, move it there and make it static. Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: use iwlagn_fw_error instead of iwl_nic_errorMeenakshi Venkataraman
In the process, make iwlagn_fw_error a non-static function, as it is used by more than one file. Signed-off-by: Meenakshi Venkataraman <meenakshi.venkataraman@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: move valid_contexts to privJohannes Berg
No other component is accessing it any more, so it can move to the correct place in priv. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: move queue mapping out of transportJohannes Berg
The queue mapping is not only dynamic, it is also dependent on the uCode, as we can already see today with the dual-mode and non-dual-mode being different. Move the queue mapping out of the transport layer and let the higher layer manage it. Part of the transport configuration is how to set up the queues. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: use scan while idleJohannes Berg
As idle is just a deep powersave mode for the device, it will easily scan while idle since that turns off powersave. This reduces the number of commands sent to the device when scanning. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: remove scan_rx_antennasJohannes Berg
This is not (no longer?) used by any device so just remove it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: remove iq_invert config paramJohannes Berg
This is used only by 2000 class devices, but they all use it so remove the configuration parameter and hard-code the programming. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: remove support_wimax_coexistJohannes Berg
There's no device using this mechanism. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: clarify config struct commentsJohannes Berg
It talks about treating different uCode APIs as different pieces of hardware which really isn't how we handle things. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: add trailing newline to various messagesJohannes Berg
A whole bunch of messages, even some recent ones, didn't include a trailing newline so add it. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: simplify calibration collectionJohannes Berg
The calibration results all come in while we're waiting for the calibration complete notification. As a consequence, there's no need to install a global RX handler for them, we can use the newly extended notification wait framework for this and make the code easier to follow. It is now quite explicit that we are processing the calibration results while waiting for the complete notification, before this was implicit and developers had to know this to understand why we wait for the calibration complete notification and what happens while we wait. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: extend notification waitJohannes Berg
Sometimes, for example when we ask the uCode for calibration, we wait for the "complete" response while we also need the results that are sent in other, interim, notifications. Currently we handle this by installing an RX handler globally, but that isn't needed as this is the only time we want to use these notifications. So in order to be able to simplify at least future code that does the same, extend the notification wait framework to allow you to wait for multiple commands and decide based on the command whether the wait finished. While at it, also fix a race that can then become relevant -- if the wait function has returned true once it shouldn't be called again, today this can happen due to races between the triggering and the wakeup. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: process multiple frames per RXBJohannes Berg
The flow handler (hardware) can put multiple frames into a single RX buffer. To handle this, walk the RX buffer and check if there are multiple valid packets in it. To let the upper layer handle this correctly introduce rxb_offset() which is needed when we pass pages to mac80211 -- we need to know the offset into the page there. Also change the page handling scheme to use refcounting. Anyone who needs a page will "steal" it, which marks it as having been used & refcounts it. The RX handler then has to free its own reference and must not reuse the page. Finally, do not set the bit asking the FH to give us each packet in a single buffer. This really enables the feature. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: remove un-needed parameterWey-Yi Guy
get rid of un-needed parameter Change-Id: I992741e7382a3dbced7f8413bf1d5f301029d576 Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09iwlwifi: phy_db structureDavid Spinadel
Add iwl_phy_db structure and API. Signed-off-by: David Spinadel <david.spinadel@intel.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09rtlwifi: Preallocate USB read buffers and eliminate kalloc in read routineLarry Finger
The current version of rtlwifi for USB operations uses kmalloc to acquire a 32-bit buffer for each read of the device. When _usb_read_sync() is called with the rcu_lock held, the result is a "sleeping function called from invalid context" BUG. This is reported for two cases in https://bugzilla.kernel.org/show_bug.cgi?id=42775. The first case has the lock originating from within rtlwifi and could be fixed by rearranging the locking; however, the second originates from within mac80211. The kmalloc() call is removed from _usb_read_sync() by creating a ring buffer pointer in the private area and allocating the buffer data in the probe routine. Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> [This version good for 3.3+ - different patch for 3.2 - 2.6.39] Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09rt2x00: increase led's name buffer lengthJakub Kicinski
With 9-letter driver names phy's number was truncated to two characters, which caused warnings when creating sysfs entries for leds on systems with multiple devices. Signed-off-by: Jakub Kicinski <kubakici@wp.pl> Reviewed-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09rtlwifi: Simplify rtl_get/set inline functionsJoe Perches
Use a temporary to make the code a bit neater. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09rtlwifi: Use is_zero_ether_addr, remove line continuationJoe Perches
Use the normal kernel facilities and use %pM to print the all zero mac address. Remove unnecessary line continuation. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Larry.Finger@lwfinger.net Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09p54usb: Load firmware asynchronouslyLarry Finger
Drivers that load firmware from their probe routine have problems with the latest versions of udev as they get timeouts while waiting for user space to start. The problem is fixed by using request_firmware_nowait() and delaying the start of mac80211 until the firmware is loaded. To prevent the possibility of the driver being unloaded while the firmware loading callback is still active, a completion queue entry is used. Also, to simplify the firmware loading procedure, this patch removes the old, unofficial and confusing fallback firmware names. However, they are still supported! So any user - who is still using them - is hereby advised to link/rename their old firmware filenames: isl3890usb to isl3886usb isl3887usb_bare to isl3887usb Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09p54: only unregister ieee80211_hw when it has been registeredChristian Lamparter
p54_unregister_common may now be called by the backend driver's remove routine, even if the ieee80211_hw device struct was never successfully registered. Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09mwifiex: add set_cqm_rssi_config handler supportAmitkumar Karwar
In this handler LOW_RSSI and HIGH_RSSI events are subscribed to FW using provided threshold value so that FW will monitor connection quality and trigger any of these events. Driver will notify cfg80211 about connection quality based on inputs from FW and provided hysteresis. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Yogesh Ashok Powar <yogeshp@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09mwifiex: support STATION_INFO_SIGNAL_AVGAmitkumar Karwar
This patch adds the support for updating average signal information in dump_station(). Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09mwifiex: remove redundant signal handling codeAmitkumar Karwar
1) The wrapper function mwifiex_get_signal_info() is unnecessary. 2) As noise and signal vaules in private structure already get modified, we don't need to explicitly pass "struct mwifiex_ds_get_signal" to get it filled. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09mwifiex: add cfg80211 dump_station handlerAmitkumar Karwar
This enables user to dump station information using "iw dev <devname> station dump" command. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09mwifiex: update signal strength in mBm unitsAmitkumar Karwar
During wiphy registration signal_type is initialized to CFG80211_SIGNAL_TYPE_MBM. So convert signal strength from dBm to mBm. Also, the value is absolute. Make it negative before sending to cfg80211. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09ath9k_hw: Update rx gain initval to improve rx sensitivityRajkumar Manoharan
Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09wireless: rename ht_info to ht_operationJohannes Berg
Since some of the HT code pre-dates 802.11n-2009 some names are wrong. The one that bothers me most is that "HT operation" is called "HT information" in our code and that causes confusion. Rename "HT information" to "HT operation" and also the control_chan field to primary_chan to match the name used in the spec. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09ath9k: recover ar9380 chips from rare stuck stateRajkumar Manoharan
In the experiment with Azimuth ADEPT-n testbed where the APs transmit power was reduced to 25% and the signal strength was futher attenuated by 20dB and induced a path loss of ~7dB, the station was reporting beacon losses and the following issue were observed. * rx clear is stuck at low for more than 300ms * dcu chain and complete state is stuck at one of the hang signature This patch triggers the hang detection logic that recovers the chip from any of the above conditions. As the issue was originally reported in ChromeOs with AR9382 chips, this detection logic is enabled only for AR9380/2 chips. Cc: Paul Stewart <pstew@google.com> Reported-by: Gary Morain <gmorain@google.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-04-09ath9k_hw: improve ANI processing and rx desensitizing parametersRajkumar Manoharan
This patch improves ANI operations by switching among the immunity levels based on PHY errors and beacon rssi which will adjust receiver desensitizing parameters. The changes are * Configure the Weak Signal Detection based on current immunity value. * At highest OFDM immunity level poor performance was observed with strong interference. By tuning the FIR step and spur immunity levels and not changing any weak signal detection thresholds at any level helped to improve the performance. * ANI took long time to recover back to lower immunity levels on heavy data load. As the listen time got reset to zero before reaching to the 5x of aniperiod, the immunity level is not lowering back even without any interference. This patch fix that. Cc: Paul Stewart <pstew@google.com> Cc: Susinder Gulasekaran <susinder@qca.qualcomm.com> Signed-off-by: Suresh Chandrasekaran <csuresh@qca.qualcomm.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-27Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
2012-03-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Name string overrun fix in gianfar driver from Joe Perches. 2) VHOST bug fixes from Michael S. Tsirkin and Nadav Har'El 3) Fix dependencies on xt_LOG netfilter module, from Pablo Neira Ayuso. 4) Fix RCU locking in xt_CT, also from Pablo Neira Ayuso. 5) Add a parameter to skb_add_rx_frag() so we can fix the truesize adjustments in the drivers that use it. The individual drivers aren't fixed by this commit, but will be dealt with using follow-on commits. From Eric Dumazet. 6) Add some device IDs to qmi_wwan driver, from Andrew Bird. 7) Fix a potential rcu_read_lock() imbalancein rt6_fill_node(). From Eric Dumazet. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net: fix a potential rcu_read_lock() imbalance in rt6_fill_node() net: add a truesize parameter to skb_add_rx_frag() gianfar: Fix possible overrun and simplify interrupt name field creation USB: qmi_wwan: Add ZTE (Vodafone) K3570-Z and K3571-Z net interfaces USB: option: Ignore ZTE (Vodafone) K3570/71 net interfaces USB: qmi_wwan: Add ZTE (Vodafone) K3565-Z and K4505-Z net interfaces qlcnic: Bug fix for LRO netfilter: nf_conntrack: permanently attach timeout policy to conntrack netfilter: xt_CT: fix assignation of the generic protocol tracker netfilter: xt_CT: missing rcu_read_lock section in timeout assignment netfilter: cttimeout: fix dependency with l4protocol conntrack module netfilter: xt_LOG: use CONFIG_IP6_NF_IPTABLES instead of CONFIG_IPV6 vhost: fix release path lockdep checks vhost: don't forget to schedule() tools/virtio: stub out strong barriers tools/virtio: add linux/hrtimer.h stub tools/virtio: add linux/module.h stub
2012-03-27Merge tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-socLinus Torvalds
Pull "ARM: driver specific updates" from Arnd Bergmann: "These are all specific to some driver. They are typically the platform side of a change in the drivers directory, such as adding a new driver or extending the interface to the platform. In cases where there is no maintainer for the driver, or the maintainer prefers to have the platform changes in the same branch as the driver changes, the patches to the drivers are included as well. A much smaller set of driver updates that depend on other branches getting merged first will be sent later. The new export of tegra_chip_uid conflicts with other changes in fuse.c. In rtc-sa1100.c, the global removal of IRQF_DISABLED conflicts with the cleanup of the interrupt handling of that driver. Signed-off-by: Arnd Bergmann <arnd@arndb.de>" Fixed up aforementioned trivial conflicts. * tag 'drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (94 commits) ARM: SAMSUNG: change the name from s3c-sdhci to exynos4-sdhci mmc: sdhci-s3c: add platform data for the second capability ARM: SAMSUNG: support the second capability for samsung-soc ARM: EXYNOS: add support DMA for EXYNOS4X12 SoC ARM: EXYNOS: Add apb_pclk clkdev entry for mdma1 ARM: EXYNOS: Enable MDMA driver regulator: Remove bq24022 regulator driver rtc: sa1100: add OF support pxa: magician/hx4700: Convert to gpio-regulator from bq24022 ARM: OMAP3+: SmartReflex: fix error handling ARM: OMAP3+: SmartReflex: fix the use of debugfs_create_* API ARM: OMAP3+: SmartReflex: micro-optimization for sanity check ARM: OMAP3+: SmartReflex: misc cleanups ARM: OMAP3+: SmartReflex: move late_initcall() closer to its argument ARM: OMAP3+: SmartReflex: add missing platform_set_drvdata() ARM: OMAP3+: hwmod: add SmartReflex IRQs ARM: OMAP3+: SmartReflex: clear ERRCONFIG_VPBOUNDINTST only on a need ARM: OMAP3+: SmartReflex: Fix status masking in ERRCONFIG register ARM: OMAP3+: SmartReflex: Add a shutdown hook ARM: OMAP3+: SmartReflex Class3: disable errorgen before disable VP ... Conflicts: arch/arm/mach-tegra/Makefile arch/arm/mach-tegra/fuse.c drivers/rtc/rtc-sa1100.c
2012-03-26rtlwifi: rtl8192ce: rtl8192cu: rtl8192de: Fix low-gain setting when scanningLarry Finger
In https://bugzilla.redhat.com/show_bug.cgi?id=770207, slowdowns of driver rtl8192ce are reported. One fix (commit a9b89e2) has already been applied, and it helped, but the maximum RX speed would still drop to 1 Mbps. As in the previous fix, the initial gain was determined to be the problem; however, the problem arises from a setting of the gain when scans are started. Driver rtl8192de also has the same code structure - this one is fixed as well. Reported-and-Tested-by: Ivan Pesin <ivan.pesin@gmail.com> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Stable <stable@vger.kernel.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26rt2x00: rt2800usb: fix status register reread logicStanislaw Gruszka
Another good catch from Jakub Kicinski. This patch fixes my recent commit: ed61e2b02027935520d1be884fac0b2ffce8379a "rt2x00: rt2800usb: rework txdone code" We should reread status register only when nobody else start already reading status i.e. test_and_set_bit(TX_STATUS_READING, flags) return 0. Reported-by: Jakub Kicinski <moorray@wp.pl> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26rt2x00: rt2800usb: schedule txdone work on timeoutStanislaw Gruszka
This is fix for my current commit ed61e2b02027935520d1be884fac0b2ffce8379a "rt2x00: rt2800usb: rework txdone code" We should schedule txdone work on timeout, otherwise if newer get tx status from hardware, we will never report tx status to mac80211 and eventually never wakeup tx queue. Reported-by: Jakub Kicinski <moorray@wp.pl> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26ath9k: fix a memory leak in ath_rx_tasklet()Eric Dumazet
commit 0d95521ea7 (ath9k: use split rx buffers to get rid of order-1 skb allocations) added in memory leak in error path. sc->rx.frag should be cleared after the pskb_expand_head() call, or else we jump to requeue_drop_frag and leak an skb. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Jouni Malinen <jouni@qca.qualcomm.com> Cc: Felix Fietkau <nbd@openwrt.org> Cc: John W. Linville <linville@tuxdriver.com> Cc: Trond Wuellner <trond@chromium.org> Cc: Grant Grundler <grundler@chromium.org> Cc: Paul Stewart <pstew@chromium.org> Cc: David Miller <davem@davemloft.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26ath9k: reduce listen time periodRajkumar Manoharan
When we have downlink traffic alone and the station is going thru bgscan, the client is out of operating channel for around 1000ms which is too long. The mac80211 decides when to switch back to oper channel based on tx queue, bad latency and listen time. As the station does not have tx traffic, the bgscan can easily affect downlink throughput. By reducing the listen time, it helps the associated AP to retain the downstream rate. Cc: Paul Stewart <pstew@google.com> Tested-by: Gary Morain <gmorain@google.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26iwlegacy: fix BSSID settingStanislaw Gruszka
Current commit 0775f9f90cdaf40fbf69b3192b3dddb2b3436f45 "mac80211: remove spurious BSSID change flag" exposed bug on iwlegacy, that we do not set BSSID address correctly and then device was not able to receive frames after successful associate. On the way fix scan canceling comment. Apparently ->post_associate() do cancel scan itself, but scan cancel on BSS_CHANGED_BSSID is needed. I'm not sure why, but when I removed it, I had frequent auth failures: wlan4: send auth to 54:e6:fc:98:63:fe (try 1/3) wlan4: send auth to 54:e6:fc:98:63:fe (try 2/3) wlan4: send auth to 54:e6:fc:98:63:fe (try 3/3) wlan4: authentication with 54:e6:fc:98:63:fe timed out Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26ath9k: fix max noise floor thresholdRajkumar Manoharan
Currently the maximum noise floor limit is set as too high (-60dB). The assumption of having a higher threshold limit is that it would help de-sensitize the receiver (reduce phy errors) from continuous interference. But when we have a bursty interference where there are collisions and then free air time and if the receiver is desensitized too much, it will miss the normal packets too. Lets make use of chips specific min, nom and max limits always. This patch helps to improve the connection stability in congested networks. Cc: stable@vger.kernel.org Cc: Paul Stewart <pstew@google.com> Tested-by: Gary Morain <gmorain@google.com> Signed-off-by: Madhan Jaganathan <madhanj@qca.qualcomm.com> Signed-off-by: Rajkumar Manoharan <rmanohar@qca.qualcomm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-26iwlegacy: do not nulify il->vif on resetStanislaw Gruszka
This il->vif is dereferenced in different part of iwlegacy code, so do not nullify it. This should fix random crashes observed in companion with microcode errors i.e. crash in il3945_config_ap(). Additionally this should address also WARNING: at drivers/net/wireless/iwlegacy/common.c:4656 il_mac_remove_interface at least one of the possible reasons of that warning. Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2012-03-25net: add a truesize parameter to skb_add_rx_frag()Eric Dumazet
skb_add_rx_frag() API is misleading. Network skbs built with this helper can use uncharged kernel memory and eventually stress/crash machine in OOM. Add a 'truesize' parameter and then fix drivers in followup patches. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25gianfar: Fix possible overrun and simplify interrupt name field creationJoe Perches
Space allocated for int_name_<foo> is insufficient for maximal device name, expand it. Code to create int_name_<foo> is obscure, simplify it by using sprintf. Found by looking for unnecessary \ line continuations. Signed-off-by: Joe Perches <joe@perches.com> Tested-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25USB: qmi_wwan: Add ZTE (Vodafone) K3570-Z and K3571-Z net interfacesAndrew Bird (Sphere Systems)
Now that we have the beginnings of an OSS method to use the network interfaces on these USB broadband modems, add the ZTE manufactured Vodafone items to the whitelist Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-25USB: qmi_wwan: Add ZTE (Vodafone) K3565-Z and K4505-Z net interfacesAndrew Bird (Sphere Systems)
Now that we have the beginnings of an OSS method to use the network interfaces on these USB broadband modems, add the ZTE manufactured Vodafone items to the whitelist Signed-off-by: Andrew Bird <ajb@spheresystems.co.uk> Acked-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-24Merge tag 'stable/for-linus-3.4-tag-two' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen Pull more xen updates from Konrad Rzeszutek Wilk: "One tiny feature that accidentally got lost in the initial git pull: * Add fast-EOI acking of interrupts (clear a bit instead of hypercall) And bug-fixes: * Fix CPU bring-up code missing a call to notify other subsystems. * Fix reading /sys/hypervisor even if PVonHVM drivers are not loaded. * In Xen ACPI processor driver: remove too verbose WARN messages, fix up the Kconfig dependency to be a module by default, and add dependency on CPU_FREQ. * Disable CPU frequency drivers from loading when booting under Xen (as we want the Xen ACPI processor to be used instead). * Cleanups in tmem code." * tag 'stable/for-linus-3.4-tag-two' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen/acpi: Fix Kconfig dependency on CPU_FREQ xen: initialize platform-pci even if xen_emul_unplug=never xen/smp: Fix bringup bug in AP code. xen/acpi: Remove the WARN's as they just create noise. xen/tmem: cleanup xen: support pirq_eoi_map xen/acpi-processor: Do not depend on CPU frequency scaling drivers. xen/cpufreq: Disable the cpu frequency scaling drivers from loading. provide disable_cpufreq() function to disable the API.
2012-03-23qlcnic: Bug fix for LROAnirban Chakraborty
- After FW reset, IP addresses need to be reprogrammed to FW for LRO to work. This was not happening in context reset path. Fixed it here. - Updated driver version to 5.0.27 Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2012-03-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) L2TP doesn't get autoloaded when you try to open an L2TP socket due to a missing module alias, fix from Benjamin LaHaise. 2) Netlabel and RDS should propagate gfp flags given to them by callers, fixes from Dan Carpeneter. 3) Recursive locking fix in usbnet wasn't bulletproof and can result in objects going away mid-flight due to races, fix from Ming Lei. 4) Fix up some confusion about a bool module parameter in netfilter's iptable_filter and ip6table_filter, from Rusty Russell. 5) If SKB recycling is used via napi_reuse_skb() we end up with different amounts of headroom reserved than we had at the original SKB allocation. Fix from Eric Dumazet. 6) Fix races in TG3 driver ring refilling, from Michael Chan. 7) We have callbacks for IPSEC replay notifiers, but some call sites were not using the ops method and instead were calling one of the implementations directly. Oops. Fix from Steffen Klassert. 8) Fix IP address validation properly in the bonding driver, the previous fix only works with netlink where the subnet mask and IP address are changed in one atomic operation. When 'ifconfig' ioctls are used the IP address and the subnet mask are changed in two distinct operations. Fix from Andy Gospodarek. 9) Provide a sky2 module operation to work around power management issues with some BIOSes. From Stephen Hemminger. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: usbnet: consider device busy at each recieved packet bonding: remove entries for master_ip and vlan_ip and query devices instead netfilter: remove forward module param confusion. usbnet: don't clear urb->dev in tx_complete usbnet: increase URB reference count before usb_unlink_urb xfrm: Access the replay notify functions via the registered callbacks xfrm: Remove unused xfrm_state from xfrm_state_check_space RDS: use gfp flags from caller in conn_alloc() netlabel: use GFP flags from caller instead of GFP_ATOMIC l2tp: enable automatic module loading for l2tp_ppp cnic: Fix parity error code conflict tg3: Fix RSS ring refill race condition sky2: override for PCI legacy power management net: fix napi_reuse_skb() skb reserve
2012-03-22usbnet: consider device busy at each recieved packetOliver Neukum
usbnet should centrally handle busy reporting in the rx path so subdrivers need not worry. This hurts use cases which do rx only or predominantly. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>