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2016-07-16vlan: use a valid default mtu value for vlan over macsecPaolo Abeni
macsec can't cope with mtu frames which need vlan tag insertion, and vlan device set the default mtu equal to the underlying dev's one. By default vlan over macsec devices use invalid mtu, dropping all the large packets. This patch adds a netif helper to check if an upper vlan device needs mtu reduction. The helper is used during vlan devices initialization to set a valid default and during mtu updating to forbid invalid, too bit, mtu values. The helper currently only check if the lower dev is a macsec device, if we get more users, we need to update only the helper (possibly reserving an additional IFF bit). Signed-off-by: Paolo Abeni <pabeni@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16rndis_host: Set valid random MAC on buggy devicesKristian Evensen
Some devices of the same type all export the same, random MAC address. This behavior has been seen on the ZTE MF910, MF823 and MF831, and there are probably more devices out there. Fix this by generating a valid random MAC address if we read a random MAC from device. Also, changed the memcpy() to ether_addr_copy(), as pointed out by checkpatch. Suggested-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16Merge branch 'bridge-rx-simplify-fwd-consolidate'David S. Miller
Nikolay Aleksandrov says: ==================== net: bridge: simplify receive path and consolidate forwarding paths This set tries to simplify the receive and forwarding paths. Patch 01 is a trivial style adjustment, patch 02 removes one conditional from the unicast fast path, patch 03 removes another conditional and more imporantly removes the skb0/skb2 ambiguity about locally receiving the skb and switches to a boolean called "local_rcv". Patch 04 is the most important change which consolidates the forwarding paths for locally originated and forwarded packets into __br_forward. This allows us to remove the function pointers giving a minor performance boost, more importantly it makes it much easier to reason about the forwarding path and reduces the code duplication that was needed when making changes. Also it allows the receive path to fully setup the environment prior to calling any forwarding functions (i.e. to properly set unicast, local_rcv and search for unicast/mcast dst). Functionally everything should stay the same after this set. I've done basic tests with unicast/multicast/broadcast Tx/Rx. Please review carefully. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16net: bridge: remove _deliver functions and consolidate forward codeNikolay Aleksandrov
Before this patch we had two flavors of most forwarding functions - _forward and _deliver, the difference being that the latter are used when the packets are locally originated. Instead of all this function pointer passing and code duplication, we can just pass a boolean noting that the packet was locally originated and use that to perform the necessary checks in __br_forward. This gives a minor performance improvement but more importantly consolidates the forwarding paths. Also add a kernel doc comment to explain the exported br_forward()'s arguments. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16net: bridge: drop skb2/skb0 variables and use a local_rcv booleanNikolay Aleksandrov
Currently if the packet is going to be received locally we set skb0 or sometimes called skb2 variables to the original skb. This can get confusing and also we can avoid one conditional on the fast path by simply using a boolean and passing it around. Thanks to Roopa for the name suggestion. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16net: bridge: rearrange flood vs unicast receive pathsNikolay Aleksandrov
This patch removes one conditional from the unicast path by using the fact that skb is NULL only when the packet is multicast or is local. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16net: bridge: minor style adjustments in br_handle_frame_finishNikolay Aleksandrov
Trivial style changes in br_handle_frame_finish. Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-17Merge tag 'lkdtm-next' of ↵Greg Kroah-Hartman
git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux into char-misc-testing Kees writes: fixes for lkdtm build warnings
2016-07-17usb: musb: sunxi: Simplify dr_mode handlingHans de Goede
phy-sun4i-usb now has proper dr_mode handling, it always registers an extcon, and sends a notify with the mode (even when in peripheral- / host-only mode) at least once. So we can simply the sunxi musb glue by always registering its extcon notifier and relying on sunxi_musb_work() to enable vbus when in host-only mode. This also enables host- and peripheral-only mode with vbus monitoring. Tested-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: sunxi: make unexported symbols staticBen Dooks
The sunxi_musb_dma_controller_create and _destroy are not exported or used outside the driver, so fix sparse warnings by making these two static: drivers/usb/musb/sunxi.c:357:23: warning: symbol 'sunxi_musb_dma_controller_create' was not declared. Should it be static? drivers/usb/musb/sunxi.c:363:6: warning: symbol 'sunxi_musb_dma_controller_destroy' was not declared. Should it be static? Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: cppi41: add dma channel tracepointsBin Liu
Add tracepoints for cppi41 dma channels. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: cppi41: move struct cppi41_dma_channel to headerBin Liu
Move struct cppi41_dma_channel to the header file so other modules can use it. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: cleanup cppi_dma headerBin Liu
davinci.h is not required by cppi_dma.h but cppi_dma.c, so move the include to the right place. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: gadget: add usb-request tracepointsBin Liu
Add usb_request tracepoints for gadget mode. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: host: add urb tracepointsBin Liu
Add urb tracepoints for host mode. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: add tracepoints to dump interrupt eventsBin Liu
This adds tracepoints to dump musb interrupt events. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: add tracepoints for register accessBin Liu
This adds tracepoints to musb register read/write wrappers to get trace log for register access. The default tacepoint log prefix here would be musb_readX/writeX(), which is not much helpful. So this patch let the tracepoints use __buildin_return_address(0) to print the caller funciton name to provide more context of the register access. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: dsps: use musb register read/write wrappers insteadBin Liu
musb core already exports the register read/write wrappers, so clean up the duplication in dsps glue. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: switch dev_dbg to tracepointsBin Liu
Switch dev_dbg() to tracepoint debug musb_dbg(). Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-17usb: musb: add tracepoints support for debuggingBin Liu
To avoid printk() overhead while debugging, this patch implements the foundation of tracepoints logging for musb driver to make debug easier. Signed-off-by: Bin Liu <b-liu@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-07-16Merge tag 'perf-core-for-mingo-20160715' of ↵Ingo Molnar
git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/core Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo: User visible changes: - Allow reading from a backward ring buffer (one setup via sys_perf_event_open() with perf_event_attr.write_backward = 1) (Wang Nan) Infrastructure changes: - Fix the build on Android NDK r12b (initially just for ARM), that is now port of my perf-build container collection and will get tested prior to sending patches upstream (Arnaldo Carvalho de Melo) - Add correct header for IPv6 definitions - Fix bitsperlong.h fallout (Arnaldo Carvalho de Melo, Peter Zijlstra) - Use base 0 (auto) in filename__read_ull(), so that we can handle hex values too (Jiri Olsa) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org>
2016-07-16hwmon: (sht3x) add humidity heater element controlMatt Ranostay
The enables control of the SHT31 sensors heating element that can turned on to remove excess humidity. Cc: Guenter Roeck <linux@roeck-us.net> Cc: David Frey <david.frey@sensirion.com> Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2016-07-16KVM: VMX: handle PML full VMEXIT that occurs during event deliveryCao, Lei
With PML enabled, guest will shut down if a PML full VMEXIT occurs during event delivery. According to Intel SDM 27.2.3, PML full VMEXIT can occur when event is being delivered through IDT, so KVM should not exit to user space with error. Instead, it should let EXIT_REASON_PML_FULL go through and the event will be re-injected on the next VMENTRY. Signed-off-by: Lei Cao <lei.cao@stratus.com> Cc: stable@vger.kernel.org Fixes: 843e4330573c ("KVM: VMX: Add PML support in VMX") [Shortened the summary and Cc'd stable.] Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
2016-07-16Revert "KVM: SVM: fix trashing of MSR_TSC_AUX"Radim Krčmář
This reverts commit 9770404a0061ec46dec6e15c4b07731ce2e2d7bb. The reverted patch is not needed as only userspace uses RDTSCP and MSR_TSC_AUX is in host_save_user_msrs[] and therefore properly saved in svm_vcpu_load() and restored in svm_vcpu_put() before every switch to userspace. The reverted patch did not allow the kernel to use RDTSCP in the future, because of missed trashing in svm_set_msr() and 64-bit ifdef. This reverts commit 2b23c3a6e3eb2fba77eb35fdfa3d71a9aa3f33b7. 2b23c3a6e3eb ("KVM: SVM: do not set MSR_TSC_AUX on 32-bit builds") is a build fix for 9770404a0061 and reverting them separately would only break more bisections. Cc: stable@vger.kernel.org
2016-07-16[media] cxd2841er: Reading SNR for DVB-C addedAbylay Ospan
Now driver returns correct values for DVB-C: SNR (in dB) [mchehab@s-opensource.com: fix a new function to be static] Signed-off-by: Abylay Ospan <aospan@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: Reading BER and UCB for DVB-C addedAbylay Ospan
now driver returns correct values for DVB-C: BER (post_bit_count and post_bit_error values) UCB (count of uncorrected errors) also, some code cleanup was done - checkpatch.pl now is happy Signed-off-by: Abylay Ospan <aospan@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: fix switch-case for DVB-CAbylay Ospan
DVB-C should use cxd2841er_read_agc_gain_c() to get the gain. The same function is used for all DVB-C annex delivery systems. Signed-off-by: Abylay Ospan <aospan@netup.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: fix signal strength scale for ISDB-TMauro Carvalho Chehab
The scale for ISDB-T was wrong too: it was inverted, and on a relative scale. Use a linear interpolation to make it look better. The formula was empirically determined, using 3 frequencies (175 MHz, 410 MHz and 800 MHz), measuring from -50dBm to -12dBm in steps of 0.5dB. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: adjust the dB scale for DVB-CMauro Carvalho Chehab
Instead of using a relative frequency range, calibrate it to show the results in dB. The callibration was done getting samples with a signal generated from -50dBm to -12dBm, incremented in steps of 0.5 dB, using 3 frequencies: 175 MHz, 410 MHz and 800 MHz. The modulated signal was using QAM64, and it was used a linear interpolation of all the results. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: provide signal strength for DVB-CMauro Carvalho Chehab
Currently, there's no stats for DVB-C. Let's at least return signal strength. The scale is different than on DVB-T, so let's use a relative scale, for now. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-16[media] cxd2841er: fix BER report via DVBv5 stats APIMauro Carvalho Chehab
What userspace expects is to receive both bit_error and bit_count counters. So, instead of doing the division at the Kernel, return the counters for userspace to handle it the way it wants. Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2016-07-15tcp_timer.c: Add kernel-doc function descriptionsRichard Sailer
This adds kernel-doc style descriptions for 6 functions and fixes 1 typo. Signed-off-by: Richard Sailer <richard@weltraumpflege.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-16ACPI / lpat: make it explicitly non-modularPaul Gortmaker
The Makefile for building this is "acpi-y" and so it is not built as a module. Hence including module.h and everything that comes with it just for the no-op MODULE_LICENSE is rather heavy handed. The license info is found at the top of the file, so we just remove the MODULE_LICENSE and the include of module.h We add an include of export.h since the file exports some symbols. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-07-16ACPI / dock: make dock explicitly non-modularPaul Gortmaker
The Kconfig for this file is: drivers/acpi/Kconfig:config ACPI_DOCK drivers/acpi/Kconfig: bool "Dock" ...and so it is not built as a module. Hence including module.h and everything that comes with it just for the no-op MODULE_LICENSE and friends is rather heavy handed. The license/author info is found at the top of the file, so we just remove the MODULE_LICENSE etc and the include of module.h The file does still have some module_param() so we add the right include for that infrastructure. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-07-16ACPI / PCI: make pci_slot explicitly non-modularPaul Gortmaker
The Kconfig for this file is: drivers/acpi/Kconfig:config ACPI_PCI_SLOT drivers/acpi/Kconfig: bool "PCI slot detection driver" ...and so it is not built as a module. Hence including module.h and everything that comes with it just for the no-op MODULE_LICENSE and friends is rather heavy handed. The license/author info is found at the top of the file, so we just remove the MODULE_LICENSE etc and the include of module.h We delete the DRIVER_VERSION macro as well since it is unused. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-07-16ACPI / PMIC: remove modular references from non-modular codePaul Gortmaker
The Kconfig currently controlling compilation of these files are: drivers/acpi/Kconfig:menuconfig PMIC_OPREGION drivers/acpi/Kconfig: bool "PMIC (Power Management Integrated Circuit) operation region support" drivers/acpi/Kconfig:config BXT_WC_PMIC_OPREGION drivers/acpi/Kconfig: bool "ACPI operation region support for BXT WhiskeyCove PMIC" drivers/acpi/Kconfig:config XPOWER_PMIC_OPREGION drivers/acpi/Kconfig: bool "ACPI operation region support for XPower AXP288 PMIC" ...meaning they currently are not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the code there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. One file was using module_init. Since module_init translates to device_initcall in the non-modular case, the init ordering remains unchanged with this commit. In one case we replace the module.h with export.h since that file is exporting some symbols, but does not use __init. The other two are using __init and so module.h gets replaced with init.h there. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2016-07-16Merge tag 'for-linus-20160715' of git://git.infradead.org/linux-mtdLinus Torvalds
Pull MTD fix from Brian Norris: "Late MTD fix for v4.7: One regression in the Device Tree handling for OMAP NAND handling of the ELM node. TI migrated to using the property name "ti,elm-id", but forgot to keep compatibility with the old "elm_id" property. Also, might as well send out this MAINTAINERS fixup now" * tag 'for-linus-20160715' of git://git.infradead.org/linux-mtd: mtd: nand: omap2: Add check for old elm binding MAINTAINERS: Add file patterns for mtd device tree bindings
2016-07-15net: ethernet: ti: cpmac: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. There was a check on CAP_NET_ADMIN in cpmac_set_settings, but this check is already done in dev_ethtool, so no need to repeat it before calling the generic function. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: ti: cpmac: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phy in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: amd: au1000_eth: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. There was a check on CAP_NET_ADMIN in au1000_set_settings, but this check is already done in dev_ethtool, so no need to repeat it before calling the generic function. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: amd: au1000_eth: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phydev in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: smsc9420: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: smsc9420: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phy in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: ethoc: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: ethoc: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phy in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Reviewed-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: pasemi_mac: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: pasemi_mac: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phy in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: xilinx: axienet: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: xilinx: axienet: use phydev from struct net_devicePhilippe Reynes
The private structure contain a pointer to phydev, but the structure net_device already contain such pointer. So we can remove the pointer phy in the private structure, and update the driver to use the one contained in struct net_device. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-15net: ethernet: tc35815: use phy_ethtool_{get|set}_link_ksettingsPhilippe Reynes
There are two generics functions phy_ethtool_{get|set}_link_ksettings, so we can use them instead of defining the same code in the driver. Signed-off-by: Philippe Reynes <tremyfr@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>