Commit Graph

634408 Commits

Author SHA1 Message Date
David S. Miller dbc34e73c2 Revert "ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context"
This reverts commit 8d7533e5aa.

It introduced kbuild failures, new version coming.

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 17:18:17 -04:00
Jiri Pirko 9769905693 rocker: set physical device for port netdevice
Do this so the sysfs has "device" link correctly set.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 17:15:44 -04:00
David S. Miller 4c96f5b19c Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue
Jeff Kirsher says:

====================
Intel Wired LAN Driver Updates 2016-10-27

This series contains fixes to ixgbe and i40e.

Emil fixes a NULL pointer dereference when a macvlan interface is brought
up while the PF is still down.

David root caused the original panic that was fixed by commit id
(a036244c06 "i40e: Fix kernel panic on enable/disable LLDP") and the
fix was not quite correct, so removed the get_default_tc() and replaced
it with a #define since there is only one TC supported as a default.

Guilherme Piccoli fixes an issue where if we modprobe the driver module
without enough MSI-X interrupts, then unload the module and reload it
again, the kernel would crash.  So if we fail to allocate enough MSI-X
interrupts, we should disable them since they were previously enabled.

Huaibin Wang found that the order of the arguments for
ndo_dflt_bridge_getlink() were in the correct order, so fix the order.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 17:14:19 -04:00
Neal Cardwell 9b9375b5b7 tcp_bbr: add a state transition diagram and accompanying comment
Document the possible state transitions for a BBR flow, and also add a
prose summary of the state machine, covering the life of a typical BBR
flow.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 17:12:43 -04:00
Ivan Vecera f9d4286b95 arch/powerpc: Update parameters for csum_tcpudp_magic & csum_tcpudp_nofold
Commit 01cfbad "ipv4: Update parameters for csum_tcpudp_magic to their
original types" changed parameters for csum_tcpudp_magic and
csum_tcpudp_nofold for many platforms but not for PowerPC.

Fixes: 01cfbad "ipv4: Update parameters for csum_tcpudp_magic to their original types"
Cc: Alexander Duyck <aduyck@mirantis.com>
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 17:06:23 -04:00
Linus Torvalds a909d3e636 Linux 4.9-rc3 2016-10-29 13:52:02 -07:00
Linus Torvalds 42fd2b5006 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 bugfix from Thomas Gleixner:
 "A single bugfix for the recent changes related to registering the boot
  cpu when this has not happened before prefill_possible_map().

  The main problem with this change got fixed already, but we missed the
  case where the local APIC is not yet mapped, when prefill_possible_map()
  is invoked, so the registration of the boot cpu which has the APIC bit
  set in CPUID will explode.

  I should have seen that issue earlier, but all I can do now is feeling
  embarassed"

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/smpboot: Init apic mapping before usage
2016-10-29 13:42:44 -07:00
David S. Miller a283ad5066 This code cleanup patchset includes the following changes (chronological
order):
 
  - bump version strings, by Simon Wunderlich
 
  - README updates/clean up, by Sven Eckelmann (4 patches)
 
  - Code clean up and restructuring by Sven Eckelmann (2 patches)
 
  - Kerneldoc fix in forw_packet structure, by Linus Luessing
 
  - Remove unused argument in dbg_arp, by Antonio Quartulli
 
  - Add support to build batman-adv without wireless, by Linus Luessing
 
  - Restructure error handling for is_ap_isolated, by Markus Elfring
 
  - Remove unused initialization in various functions, by Sven Eckelmann
 
  - Use better names for fragment and gateway list heads, by Sven
    Eckelmann (2 patches)
 
  - Convert to octal permissions for files, by Sven Eckelmann
 
  - Avoid precedence issues for some macros, by Sven Eckelmann
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Merge tag 'batadv-next-for-davem-20161027' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
This code cleanup patchset includes the following changes (chronological
order):

 - bump version strings, by Simon Wunderlich

 - README updates/clean up, by Sven Eckelmann (4 patches)

 - Code clean up and restructuring by Sven Eckelmann (2 patches)

 - Kerneldoc fix in forw_packet structure, by Linus Luessing

 - Remove unused argument in dbg_arp, by Antonio Quartulli

 - Add support to build batman-adv without wireless, by Linus Luessing

 - Restructure error handling for is_ap_isolated, by Markus Elfring

 - Remove unused initialization in various functions, by Sven Eckelmann

 - Use better names for fragment and gateway list heads, by Sven
   Eckelmann (2 patches)

 - Convert to octal permissions for files, by Sven Eckelmann

 - Avoid precedence issues for some macros, by Sven Eckelmann
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:26:50 -04:00
David S. Miller e59cc767b6 Merge branch 'mlx4-fixes'
Tariq Toukan says:

====================
mlx4 misc fixes for 4.9

This patchset contains several bug fixes from the team to the
mlx4 Eth and Core drivers.

Series generated against net commit:
ecc515d723 'sctp: fix the panic caused by route update'
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:49 -04:00
Tariq Toukan eb4b678825 net/mlx4_en: Save slave ethtool stats command
Following the previous patch, as an optimization, the slave will
not even bother sending the DUMP_ETH_STATS command over the
comm channel.

Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Jack Morgenstein d2582a0393 net/mlx4_en: Fix potential deadlock in port statistics flow
mlx4_en_DUMP_ETH_STATS took the *counter mutex* and then
called the FW command, with WRAPPED attribute. As a result, the fw command
is wrapped on the Hypervisor when it calls mlx4_en_DUMP_ETH_STATS.
The FW command wrapper flow on the hypervisor takes the *slave_cmd_mutex*
during processing.

At the same time, a VF could be in the process of coming up, and could
call mlx4_QUERY_FUNC_CAP.  On the hypervisor, the command flow takes the
*slave_cmd_mutex*, then executes mlx4_QUERY_FUNC_CAP_wrapper.
mlx4_QUERY_FUNC_CAP wrapper calls mlx4_get_default_counter_index(),
which takes the *counter mutex*. DEADLOCK.

The fix is that the DUMP_ETH_STATS fw command should be called with
the NATIVE attribute, so that on the hypervisor, this command does not
enter the wrapper flow.

Since the Hypervisor no longer goes through the wrapper code, we also
simply return 0 in mlx4_DUMP_ETH_STATS_wrapper (i.e.the function succeeds,
but the returned data will be all zeroes).
No need to test if it is the Hypervisor going through the wrapper.

Fixes: f9baff509f ("mlx4_core: Add "native" argument to mlx4_cmd ...")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Eugenia Emantayev 6f2e0d2c3b net/mlx4: Fix firmware command timeout during interrupt test
Currently interrupt test that is part of ethtool selftest runs the
check over all interrupt vectors of the device.
In mlx4_en package part of interrupt vectors are uninitialized since
mlx4_ib doesn't exist. This causes NOP FW command to time out.
Change logic to test current port interrupt vectors only.

Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Jack Morgenstein 81d184199e net/mlx4_core: Do not access comm channel if it has not yet been initialized
In the Hypervisor, there are several FW commands which are invoked
before the comm channel is initialized (in mlx4_multi_func_init).
These include MOD_STAT_CONFIG, QUERY_DEV_CAP, INIT_HCA, and others.

If any of these commands fails, say with a timeout, the Hypervisor
driver enters the internal error reset flow. In this flow, the driver
attempts to notify all slaves via the comm channel that an internal error
has occurred.

Since the comm channel has not yet been initialized (i.e., mapped via
ioremap), this will cause dereferencing a NULL pointer.

To fix this, do not access the comm channel in the internal error flow
if it has not yet been initialized.

Fixes: 55ad359225 ("net/mlx4_core: Enable device recovery flow with SRIOV")
Fixes: ab9c17a009 ("mlx4_core: Modify driver initialization flow to accommodate SRIOV for Ethernet")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Eugenia Emantayev 9d2afba058 net/mlx4_en: Fix panic during reboot
Fix a kernel panic that occurs as a result of an asynchronous event
handled in roce_gid_mgmt:
mlx4_en_get_drvinfo is called and accesses freed resources.

This happens in a shutdown flow only, since pci device is destroyed
while netdevice is still alive.

Fixes: c27a02cd94 ("mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Erez Shitrit 8d59de8f7b net/mlx4_en: Process all completions in RX rings after port goes up
Currently there is a race between incoming traffic and
initialization flow. HW is able to receive the packets
after INIT_PORT is done and unicast steering is configured.
Before we set priv->port_up NAPI is not scheduled and
receive queues become full. Therefore we never get
new interrupts about the completions.
This issue could happen if running heavy traffic during
bringing port up.
The resolution is to schedule NAPI once port_up is set.
If receive queues were full this will process all cqes
and release them.

Fixes: c27a02cd94 ("mlx4_en: Add driver for Mellanox ConnectX 10GbE NIC")
Signed-off-by: Erez Shitrit <erezsh@mellanox.com>
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Eugenia Emantayev 4850cf4581 net/mlx4_en: Resolve dividing by zero in 32-bit system
When doing roundup_pow_of_two for large enough number with
bit 31, an overflow will occur and a value equal to 1 will
be returned. In this case 1 will be subtracted from the return
value and division by zero will be reached.

Fixes: 31c128b66e ("net/mlx4_en: Choose time-stamping shift value according to HW frequency")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Moshe Lazer 72da2e911f net/mlx4_core: Change the default value of enable_qos
Change the default status of quality of service back to disabled,
as it hurts performance in some cases.

Fixes: 38438f7c7e ("net/mlx4: Set enhanced QoS support by default when ...")
Signed-off-by: Moshe Lazer <moshel@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Maor Gottlieb 33a1f8b196 net/mlx4_core: Avoid setting ports to auto when only one port type is supported
When only one port type is supported, it should be read only.
We reject changing requests, even to the auto sense mode.

Fixes: 27bf91d6a0 ("mlx4_core: Add link type autosensing")
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
Jack Morgenstein aa0c08feae net/mlx4_core: Fix the resource-type enum in res tracker to conform to FW spec
The resource type enum in the resource tracker was incorrect.
RES_EQ was put in the position of RES_NPORT_ID (a FC resource).

Since the remaining resources maintain their current values,
and RES_EQ is not passed from slaves to the hypervisor in any
FW command, this change affects only the hypervisor.
Therefore, there is no backwards-compatibility issue.

Fixes: 623ed84b1f ("mlx4_core: initial header-file changes for SRIOV support")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Moshe Shemesh <moshe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:23:48 -04:00
David S. Miller 6ce40fc541 Merge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
40GbE Intel Wired LAN Driver Updates 2016-10-28

This series contains updates to i40e and i40evf only.

Carolyn provides a couple of fixes, first resolving a problem in the
client interface that was causing random stack traces in the RDMA driver
which was due to a timing related NULL pointer dereference.  Fixed a
problem where it could take a very long time to print the link down
notification, by changing how often we update link info from firmware.

Alex provides a number of changes, first is a re-write of the bust wait
loop in the Flow Director transmit function to reduce code size.  Cleans
up unused code in favor of the same functionality which can be inlined.
Dropped the functionality for SCTP since we cannot currently support it.
Cleans up redundant code in the receive clean-up path.  Finally cleaned
up the convoluted configuration for how the driver handled the debug
flags contained in msg_level.

Filip fixes an incorrect bit mask which was being used for testing the
"get link status".  Cleaned up a workaround that is no longer needed
for production NICs and was causing frames to pass while disregarding
the VLAN tagging.

Mitch brings another fix for the client interface supporting the VF RDMA
driver to allow clients to recover from reset by re-opening existing
clients.

Alan fixes a bug in which a "perfect storm" can occur and cause interrupts
to fail to be correctly affinitized.

Lihong fixes a confusing dmesg reported when users were using ethtool -L
option.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 16:19:41 -04:00
Linus Torvalds efa563752c This pull request contains fixes for issues in both UBI and UBIFS:
- A regression wrt. overlayfs, introduced in -rc2.
 - An UBI issue, found by Dan Carpenter's static checker.
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Merge tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs

Pull ubi/ubifs fixes from Richard Weinberger:
 "This contains fixes for issues in both UBI and UBIFS:

   - A regression wrt overlayfs, introduced in -rc2.
   - An UBI issue, found by Dan Carpenter's static checker"

* tag 'upstream-4.9-rc3' of git://git.infradead.org/linux-ubifs:
  ubifs: Fix regression in ubifs_readdir()
  ubi: fastmap: Fix add_vol() return value test in ubi_attach_fastmap()
2016-10-29 13:15:24 -07:00
shamir rabinovitch ff57087f31 rds: debug messages are enabled by default
rds use Kconfig option called "RDS_DEBUG" to enable rds debug messages.
This option cause the rds Makefile to add -DDEBUG to the rds gcc command
line.

When CONFIG_DYNAMIC_DEBUG is enabled, the "DEBUG" macro is used by
include/linux/dynamic_debug.h to decide if dynamic debug prints should
be sent by default to the kernel log.

rds should not enable this macro for production builds. rds dynamic
debug work as expected follow this fix.

Signed-off-by: Shamir Rabinovitch <shamir.rabinovitch@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Reviewed-by: Wengang Wang <wen.gang.wang@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:55:57 -04:00
Thomas Graf ebb676daa1 bpf: Print function name in addition to function id
The verifier currently prints raw function ids when printing CALL
instructions or when complaining:

	5: (85) call 23
	unknown func 23

print a meaningful function name instead:

	5: (85) call bpf_redirect#23
	unknown func bpf_redirect#23

Moves the function documentation to a single comment and renames all
helpers names in the list to conform to the bpf_ prefix notation so
they can be greped in the kernel source.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:55:13 -04:00
David S. Miller 880b583ce1 Just two fixes:
* a fix to process all events while suspending, so any
    potential calls into the driver are done before it is
    suspended
  * small markup fixes for the sphinx documentation conversion
    that's coming into the tree via the doc tree
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Merge tag 'mac80211-for-davem-2016-10-27' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211

Johannes Berg says:

====================
Just two fixes:
 * a fix to process all events while suspending, so any
   potential calls into the driver are done before it is
   suspended
 * small markup fixes for the sphinx documentation conversion
   that's coming into the tree via the doc tree
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:54:16 -04:00
David Ahern 46b5ab1a7c net: dev: Fix non-RCU based lower dev walker
netdev_walk_all_lower_dev is not properly walking the lower device
list.  Commit 1a3f060c1a made netdev_walk_all_lower_dev similar
to netdev_walk_all_upper_dev_rcu and netdev_walk_all_lower_dev_rcu
but failed to update its netdev_next_lower_dev iterator. This patch
fixes that.

Fixes: 1a3f060c1a ("net: Introduce new api for walking upper and
                     lower devices")
Reported-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Tested-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:50:30 -04:00
Thomas Falcon 8d7533e5aa ibmvnic: Fix releasing of sub-CRQ IRQs in interrupt context
Schedule these XPORT event tasks in the shared workqueue
so that IRQs are not freed in an interrupt context when
sub-CRQs are released.

Signed-off-by: Thomas Falcon <tlfalcon@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:12:26 -04:00
Jason Gunthorpe fd33b2447b net: mv643xx_eth: Fetch the phy connection type from DT
The MAC is capable of RGMII mode and that is probably a more typical
connection type than GMII today (eg it is used by Marvell Reference
designs for several SOCs). Let DT users specify the standard

   phy-connection-type = "rgmii-id";

On a phy node.

Signed-off-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:11:36 -04:00
Florian Westphal b917783c7b flow_dissector: __skb_get_hash_symmetric arg can be const
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:10:21 -04:00
Eric Dumazet 5ea8ea2cb7 tcp/dccp: drop SYN packets if accept queue is full
Per listen(fd, backlog) rules, there is really no point accepting a SYN,
sending a SYNACK, and dropping the following ACK packet if accept queue
is full, because application is not draining accept queue fast enough.

This behavior is fooling TCP clients that believe they established a
flow, while there is nothing at server side. They might then send about
10 MSS (if using IW10) that will be dropped anyway while server is under
stress.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:09:21 -04:00
Fabio Estevam 58effd7168 net: phy: at803x: Add a definition for PHY ID mask
Add a definition for PHY ID mask for improving code readability.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:08:19 -04:00
Linus Torvalds 2674235fd4 ARM: SoC fixes
We haven't seen a whole lot of fixes for the first two weeks since the merge
 window, but here is the batch that we have at the moment.
 
 Nothing sticks out as particularly bad or scary, it's mostly a handful of
 smaller fixes to several platforms. The Uniphier reset controller changes
 could probably have been delayed to 4.10, but they're not scary and just
 plumbing up driver changes that went in during the merge window.
 
 We're also adding another maintainer to Marvell Berlin platforms, to help
 out when Sebastian is too busy. Yay teamwork!
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "We haven't seen a whole lot of fixes for the first two weeks since the
  merge window, but here is the batch that we have at the moment.

  Nothing sticks out as particularly bad or scary, it's mostly a handful
  of smaller fixes to several platforms. The Uniphier reset controller
  changes could probably have been delayed to 4.10, but they're not
  scary and just plumbing up driver changes that went in during the
  merge window.

  We're also adding another maintainer to Marvell Berlin platforms, to
  help out when Sebastian is too busy. Yay teamwork!"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: imx: mach-imx6q: Fix the PHY ID mask for AR8031
  ARM: dts: vf610: fix IRQ flag of global timer
  ARM: imx: gpc: Fix the imx_gpc_genpd_init() error path
  ARM: imx: gpc: Initialize all power domains
  arm64: dts: Updated NAND DT properties for NS2 SVK
  arm64: dts: uniphier: change MIO node to SD control node
  ARM: dts: uniphier: change MIO node to SD control node
  reset: uniphier: rename MIO reset to SD reset for Pro5, PXs2, LD20 SoCs
  arm64: uniphier: select ARCH_HAS_RESET_CONTROLLER
  ARM: uniphier: select ARCH_HAS_RESET_CONTROLLER
  arm64: dts: Add timer erratum property for LS2080A and LS1043A
  arm64: dts: rockchip: remove the abuse of keep-power-in-suspend
  ARM: multi_v7_defconfig: Enable Intel e1000e driver
  MAINTAINERS: add myself as Marvell berlin SoC maintainer
  bus: qcom-ebi2: depend on ARCH_QCOM or COMPILE_TEST
  ARM: dts: fix the SD card on the Snowball
  arm64: dts: rockchip: remove always-on and boot-on from vcc_sd
  arm64: dts: marvell: fix clocksource for CP110 master SPI0
  ARM: mvebu: Select corediv clk for all mvebu v7 SoC
2016-10-29 12:07:29 -07:00
David S. Miller ad60133909 Here are three batman-adv bugfix patches:
- Fix RCU usage for neighbor list, by Sven Eckelmann
 
  - Fix BATADV_DBG_ALL loglevel to include TP Meter messages, by Sven Eckelmann
 
  - Fix possible splat when disabling an interface, by Linus Luessing
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Merge tag 'batadv-net-for-davem-20161026' of git://git.open-mesh.org/linux-merge

Simon Wunderlich says:

====================
Here are three batman-adv bugfix patches:

 - Fix RCU usage for neighbor list, by Sven Eckelmann

 - Fix BATADV_DBG_ALL loglevel to include TP Meter messages, by Sven Eckelmann

 - Fix possible splat when disabling an interface, by Linus Luessing
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:05:53 -04:00
Stephen Hemminger e934f68485 Revert "hv_netvsc: report vmbus name in ethtool"
This reverts commit e3f74b841d
("hv_netvsc: report vmbus name in ethtool")'
because of problem introduced by commit f9a56e5d6a0ba
("Drivers: hv: make VMBus bus ids persistent").
This changed the format of the vmbus name and this new format is too
long to fit in the bus_info field of ethtool.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:03:14 -04:00
Willem de Bruijn 104ba78c98 packet: on direct_xmit, limit tso and csum to supported devices
When transmitting on a packet socket with PACKET_VNET_HDR and
PACKET_QDISC_BYPASS, validate device support for features requested
in vnet_hdr.

Drop TSO packets sent to devices that do not support TSO or have the
feature disabled. Note that the latter currently do process those
packets correctly, regardless of not advertising the feature.

Because of SKB_GSO_DODGY, it is not sufficient to test device features
with netif_needs_gso. Full validate_xmit_skb is needed.

Switch to software checksum for non-TSO packets that request checksum
offload if that device feature is unsupported or disabled. Note that
similar to the TSO case, device drivers may perform checksum offload
correctly even when not advertising it.

When switching to software checksum, packets hit skb_checksum_help,
which has two BUG_ON checksum not in linear segment. Packet sockets
always allocate at least up to csum_start + csum_off + 2 as linear.

Tested by running github.com/wdebruij/kerneltools/psock_txring_vnet.c

  ethtool -K eth0 tso off tx on
  psock_txring_vnet -d $dst -s $src -i eth0 -l 2000 -n 1 -q -v
  psock_txring_vnet -d $dst -s $src -i eth0 -l 2000 -n 1 -q -v -N

  ethtool -K eth0 tx off
  psock_txring_vnet -d $dst -s $src -i eth0 -l 1000 -n 1 -q -v -G
  psock_txring_vnet -d $dst -s $src -i eth0 -l 1000 -n 1 -q -v -G -N

v2:
  - add EXPORT_SYMBOL_GPL(validate_xmit_skb_list)

Fixes: d346a3fae3 ("packet: introduce PACKET_QDISC_BYPASS socket option")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:02:15 -04:00
Johannes Berg 4700e9ce6e net_sched actions: use nla_parse_nested()
Use nla_parse_nested instead of open-coding the call to
nla_parse() with the attribute data/len.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 15:01:01 -04:00
Ido Schimmel c778453b13 switchdev: Remove redundant variable
Instead of storing return value in 'err' and returning, just return
directly.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:58:33 -04:00
Thomas Graf b15ca182ed netlink: Add nla_memdup() to wrap kmemdup() use on nlattr
Wrap several common instances of:
	kmemdup(nla_data(attr), nla_len(attr), GFP_KERNEL);

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:57:42 -04:00
Ganesh Goudar 166e6045ca cxgb4: Fix error handling in alloc_uld_rxqs().
Fix to release resources properly in error handling path of
alloc_uld_rxqs(), This patch also removes unwanted arguments
and avoids calling the same function twice.

Fixes: 94cdb8bb99 (cxgb4: Add support for dynamic allocation
       of resources for ULD
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:56:26 -04:00
Arnd Bergmann a4256bc9ec IB/mlx4: avoid a -Wmaybe-uninitialize warning
There is an old warning about mlx4_SW2HW_EQ_wrapper on x86:

ethernet/mellanox/mlx4/resource_tracker.c: In function ‘mlx4_SW2HW_EQ_wrapper’:
ethernet/mellanox/mlx4/resource_tracker.c:3071:10: error: ‘eq’ may be used uninitialized in this function [-Werror=maybe-uninitialized]

The problem here is that gcc won't track the state of the variable
across a spin_unlock. Moving the assignment out of the lock is
safe here and avoids the warning.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:53:48 -04:00
Arnd Bergmann f8da977989 net: ip, diag: include net/inet_sock.h
The newly added raw_diag.c fails to build in some configurations
unless we include this header:

In file included from net/ipv4/raw_diag.c:6:0:
include/net/raw.h:71:21: error: field 'inet' has incomplete type
net/ipv4/raw_diag.c: In function 'raw_diag_dump':
net/ipv4/raw_diag.c:166:29: error: implicit declaration of function 'inet_sk'

Fixes: 432490f9d4 ("net: ip, diag -- Add diag interface for raw sockets")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:52:18 -04:00
Gao Feng 0f16bc1355 driver: tun: Move tun check into the block of TUNSETIFF condition check
When cmd is TUNSETIFF and tun is not null, the original codes go ahead,
then reach the default case of switch(cmd) and set the ret is -EINVAL.
It is not clear for readers.

Now move the tun check into the block of TUNSETIFF condition check, and
return -EEXIST instead of -EINVAL when the tfile already owns one tun.

Signed-off-by: Gao Feng <fgao@ikuai8.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:51:42 -04:00
Eli Cooper ae148b0858 ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()
This patch updates skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit() when an
IPv6 header is installed to a socket buffer.

This is not a cosmetic change.  Without updating this value, GSO packets
transmitted through an ipip6 tunnel have the protocol of ETH_P_IP and
skb_mac_gso_segment() will attempt to call gso_segment() for IPv4,
which results in the packets being dropped.

Fixes: b8921ca83e ("ip4ip6: Support for GSO/GRO")
Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:49:31 -04:00
Daniel Borkmann 96a8eb1eee bpf: fix samples to add fake KBUILD_MODNAME
Some of the sample files are causing issues when they are loaded with tc
and cls_bpf, meaning tc bails out while trying to parse the resulting ELF
file as program/map/etc sections are not present, which can be easily
spotted with readelf(1).

Currently, BPF samples are including some of the kernel headers and mid
term we should change them to refrain from this, really. When dynamic
debugging is enabled, we bail out due to undeclared KBUILD_MODNAME, which
is easily overlooked in the build as clang spills this along with other
noisy warnings from various header includes, and llc still generates an
ELF file with mentioned characteristics. For just playing around with BPF
examples, this can be a bit of a hurdle to take.

Just add a fake KBUILD_MODNAME as a band-aid to fix the issue, same is
done in xdp*_kern samples already.

Fixes: 65d472fb00 ("samples/bpf: add 'pointer to packet' tests")
Fixes: 6afb1e28b8 ("samples/bpf: Add tunnel set/get tests.")
Fixes: a3f7461734 ("cgroup: bpf: Add an example to do cgroup checking in BPF")
Reported-by: Chandrasekar Kannan <ckannan@console.to>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-10-29 14:46:12 -04:00
Linus Torvalds 2a290036a1 Char/Misc driver fixes for 4.9-rc3
Here are a few small char/misc driver fixes for reported issues.  The
 "biggest" are two binder fixes for reported issues that have been
 shipping in Android phones for a while now, the others are various fixes
 for reported problems.
 
 And there's a MAINTAINERS update for good measure.
 
 All have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc driver fixes from Greg KH:
 "Here are a few small char/misc driver fixes for reported issues.

  The "biggest" are two binder fixes for reported issues that have been
  shipping in Android phones for a while now, the others are various
  fixes for reported problems.

  And there's a MAINTAINERS update for good measure.

  All have been in linux-next with no reported issues"

* tag 'char-misc-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
  MAINTAINERS: Add entry for genwqe driver
  VMCI: Doorbell create and destroy fixes
  GenWQE: Fix bad page access during abort of resource allocation
  vme: vme_get_size potentially returning incorrect value on failure
  extcon: qcom-spmi-misc: Sync the extcon state on interrupt
  hv: do not lose pending heartbeat vmbus packets
  mei: txe: don't clean an unprocessed interrupt cause.
  ANDROID: binder: Clear binder and cookie when setting handle in flat binder struct
  ANDROID: binder: Add strong ref checks
2016-10-29 11:19:02 -07:00
Olof Johansson b70e8beb09 Correct regulator handling on Rockchip arm64 boards to make
bind/unbind calls work correctly and remove a sdio-only
 property from non-sdio mmc hosts, that accidentially was
 added there.
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Merge tag 'v4.9-rockchip-dts64-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into fixes

Correct regulator handling on Rockchip arm64 boards to make
bind/unbind calls work correctly and remove a sdio-only
property from non-sdio mmc hosts, that accidentially was
added there.

* tag 'v4.9-rockchip-dts64-fixes1' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  arm64: dts: rockchip: remove the abuse of keep-power-in-suspend
  arm64: dts: rockchip: remove always-on and boot-on from vcc_sd

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:09:37 -07:00
Olof Johansson bb70e53e92 This pull request contains a single fix for Broadcom ARM64-based SoCs:
- Ray adds the required bus width and OOB sector size properties to the
   Northstar 2 SVK reference board in order for the NAND controller to work
   properly
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Merge tag 'arm-soc/for-4.9/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux into fixes

This pull request contains a single fix for Broadcom ARM64-based SoCs:

- Ray adds the required bus width and OOB sector size properties to the
  Northstar 2 SVK reference board in order for the NAND controller to work
  properly

* tag 'arm-soc/for-4.9/devicetree-arm64-fixes' of http://github.com/Broadcom/stblinux:
  arm64: dts: Updated NAND DT properties for NS2 SVK

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:09:11 -07:00
Olof Johansson fbaff059c2 The i.MX fixes for 4.9:
- A couple of patches from Fabio to fix the GPC power domain regression
    which is caused by PM Domain core change 0159ec6707
    ("PM / Domains: Verify the PM domain is present when adding a
    provider"), and a related kernel crash seen with multi_v7_defconfig
    build.
  - Correct the PHY ID mask for AR8031 to match phy driver code.
  - Apply new added timer erratum A008585 for LS1043A and LS2080A SoC.
  - Correct vf610 global timer IRQ flag to avoid warning from gic driver
    after commit 992345a58e ("irqchip/gic: WARN if setting the
    interrupt type for a PPI fails").
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Merge tag 'imx-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes

The i.MX fixes for 4.9:
 - A couple of patches from Fabio to fix the GPC power domain regression
   which is caused by PM Domain core change 0159ec6707
   ("PM / Domains: Verify the PM domain is present when adding a
   provider"), and a related kernel crash seen with multi_v7_defconfig
   build.
 - Correct the PHY ID mask for AR8031 to match phy driver code.
 - Apply new added timer erratum A008585 for LS1043A and LS2080A SoC.
 - Correct vf610 global timer IRQ flag to avoid warning from gic driver
   after commit 992345a58e ("irqchip/gic: WARN if setting the
   interrupt type for a PPI fails").

* tag 'imx-fixes-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: mach-imx6q: Fix the PHY ID mask for AR8031
  ARM: dts: vf610: fix IRQ flag of global timer
  ARM: imx: gpc: Fix the imx_gpc_genpd_init() error path
  ARM: imx: gpc: Initialize all power domains
  arm64: dts: Add timer erratum property for LS2080A and LS1043A

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:08:50 -07:00
Olof Johansson 10e15a639c UniPhier ARM SoC fixes for v4.9
- Add "select ARCH_HAS_RESET_CONTROLLER" in Kconfig
 - Rename wrongly-named mioctrl to sdctrl
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Merge tag 'uniphier-fixes-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into fixes

UniPhier ARM SoC fixes for v4.9

- Add "select ARCH_HAS_RESET_CONTROLLER" in Kconfig
- Rename wrongly-named mioctrl to sdctrl

* tag 'uniphier-fixes-v4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  arm64: dts: uniphier: change MIO node to SD control node
  ARM: dts: uniphier: change MIO node to SD control node
  reset: uniphier: rename MIO reset to SD reset for Pro5, PXs2, LD20 SoCs
  arm64: uniphier: select ARCH_HAS_RESET_CONTROLLER
  ARM: uniphier: select ARCH_HAS_RESET_CONTROLLER

Signed-off-by: Olof Johansson <olof@lixom.net>
2016-10-29 11:05:49 -07:00
Linus Torvalds c636e176d8 driver core fixes for 4.9-rc3
Here are two small driver core / kernfs fixes for 4.9-rc3.  One makes
 the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more explicit that
 this is a crazy thing to enable for a distro kernel (thanks for trying
 Fedora!), the other resolves an issue with vim opening kernfs files
 (sysfs, configfs, etc.).
 
 Both have been in linux-next with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are two small driver core / kernfs fixes for 4.9-rc3.

  One makes the Kconfig entry for DEBUG_TEST_DRIVER_REMOVE a bit more
  explicit that this is a crazy thing to enable for a distro kernel
  (thanks for trying Fedora!), the other resolves an issue with vim
  opening kernfs files (sysfs, configfs, etc.)

  Both have been in linux-next with no reported issues"

* tag 'driver-core-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  driver core: Make Kconfig text for DEBUG_TEST_DRIVER_REMOVE stronger
  kernfs: Add noop_fsync to supported kernfs_file_fops
2016-10-29 10:57:40 -07:00
Linus Torvalds db4a57e6d7 Staging/IIO driver fixes for 4.9-rc3
Here are some small staging and iio driver fixes for reported issues for
 4.9-rc3.  Nothing major, the "largest" being a lustre fix for a sysfs
 file that was obviously wrong, and had never been tested, so it was
 moved to debugfs as that is where it belongs.  The others are small bug
 fixes for reported issues with various staging or iio drivers.
 
 All have been in linux-next for a while with no reported issues.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging and IIO driver fixes from Greg KH:
 "Here are some small staging and iio driver fixes for reported issues
  for 4.9-rc3. Nothing major, the "largest" being a lustre fix for a
  sysfs file that was obviously wrong, and had never been tested, so it
  was moved to debugfs as that is where it belongs. The others are small
  bug fixes for reported issues with various staging or iio drivers.

  All have been in linux-next for a while with no reported issues"

* tag 'staging-4.9-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  greybus: fix a leak on error in gb_module_create()
  greybus: es2: fix error return code in ap_probe()
  greybus: arche-platform: Add missing of_node_put() in arche_platform_change_state()
  staging: android: ion: Fix error handling in ion_query_heaps()
  iio: accel: sca3000_core: avoid potentially uninitialized variable
  iio:chemical:atlas-ph-sensor: Fix use of 32 bit int to hold 16 bit big endian value
  staging/lustre/llite: Move unstable_stats from sysfs to debugfs
  Staging: wilc1000: Fix kernel Oops on opening the device
  staging: android/ion: testing the wrong variable
  Staging: greybus: uart: Use gbphy_dev->dev instead of bundle->dev
  Staging: greybus: gpio: Use gbphy_dev->dev instead of bundle->dev
  iio: adc: ti-adc081c: Select IIO_TRIGGERED_BUFFER to prevent build errors
  iio: maxim_thermocouple: Align 16 bit big endian value of raw reads
2016-10-29 10:20:59 -07:00