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Russell King - ARM Linux 3d8c4530e5 net: mvneta: fix open() error cleanup
If mvneta_mdio_probe() fails, a kernel warning is triggered due to
missing cleanup in the error path.  Add the necessary cleanup.

------------[ cut here ]------------
WARNING: CPU: 1 PID: 281 at kernel/irq/manage.c:1814 __free_percpu_irq+0xfc/0x130
percpu IRQ 38 still enabled on CPU0!
Modules linked in: bnep bluetooth xhci_plat_hcd xhci_hcd marvell_cesa armada_thermal des_generic ehci_orion mcp3021 spi_orion sfp mdio_i2c evbug fuse
CPU: 1 PID: 281 Comm: connmand Not tainted 4.7.0-rc2+ #53
Hardware name: Marvell Armada 380/385 (Device Tree)
Backtrace:
[<c0013488>] (dump_backtrace) from [<c00137d0>] (show_stack+0x18/0x1c)
 r6:60010093 r5:ffffffff r4:00000000 r3:dc8ba500
[<c00137b8>] (show_stack) from [<c02c6fe0>] (dump_stack+0xa4/0xdc)
[<c02c6f3c>] (dump_stack) from [<c002d4ec>] (__warn+0xd8/0x104)
 r6:c081e6a0 r5:00000000 r4:edfe5d50 r3:dc8ba500
[<c002d414>] (__warn) from [<c002d5d0>] (warn_slowpath_fmt+0x40/0x48)
 r10:a0010013 r8:c09356f8 r7:00000026 r6:ef11a260 r5:edd7b980 r4:ef11a200
[<c002d594>] (warn_slowpath_fmt) from [<c008c8e0>] (__free_percpu_irq+0xfc/0x130)
 r3:00000026 r2:c081e7ac
[<c008c7e4>] (__free_percpu_irq) from [<c008c95c>] (free_percpu_irq+0x48/0x74)
 r10:00008914 r8:00000000 r7:ffffffed r6:c09356f8 r5:00000026 r4:ef11a200
[<c008c914>] (free_percpu_irq) from [<c043dd70>] (mvneta_open+0x118/0x134)
 r6:ffffffed r5:ef01e640 r4:ef01e000 r3:ef01e000
[<c043dc58>] (mvneta_open) from [<c055f5b4>] (__dev_open+0xa4/0x108)
 r7:ef01e030 r6:c06ff3d8 r5:ffff9003 r4:ef01e000
[<c055f510>] (__dev_open) from [<c055f844>] (__dev_change_flags+0x94/0x150)
 r7:00001002 r6:00000001 r5:ffff9003 r4:ef01e000
[<c055f7b0>] (__dev_change_flags) from [<c055f938>] (dev_change_flags+0x20/0x50)
 r8:00000000 r7:c09334c8 r6:00001002 r5:00000148 r4:ef01e000 r3:00008914
[<c055f918>] (dev_change_flags) from [<c05de044>] (devinet_ioctl+0x6f4/0x7e0)
 r8:00000000 r7:c09334c8 r6:00000000 r5:ee87200c r4:00000000 r3:00008914
[<c05dd950>] (devinet_ioctl) from [<c05e0168>] (inet_ioctl+0x1b8/0x1c8)
 r10:beb4499c r9:edfe4000 r8:ecf13280 r7:c096cf00 r6:beb4499c r5:eef7c240
 r4:00008914
[<c05dffb0>] (inet_ioctl) from [<c053c898>] (sock_ioctl+0x78/0x300)
[<c053c820>] (sock_ioctl) from [<c0155ecc>] (do_vfs_ioctl+0x98/0xa60)
 r7:00000011 r6:00008914 r5:00000011 r4:c01568d0
[<c0155e34>] (do_vfs_ioctl) from [<c01568d0>] (SyS_ioctl+0x3c/0x60)
 r10:00000000 r9:edfe4000 r8:beb4499c r7:00000011 r6:00008914 r5:ecf13280
 r4:ecf13280
[<c0156894>] (SyS_ioctl) from [<c000fe60>] (ret_fast_syscall+0x0/0x1c)
 r8:c0010004 r7:00000036 r6:00000011 r5:000a2978 r4:00000000 r3:00009003
---[ end trace 711f625d5b04b3a7 ]---

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Tested-by: Jon Nettleton <jon@solid-run.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 05:59:39 -04:00
hayeswang f95ae8a0ed r8152: clear LINK_OFF_WAKE_EN after autoresume
LINK_OFF_WAKE_EN should be cleared after autoresume, otherwise after
system suspend, the system would wake up when linking off occurs.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 05:56:39 -04:00
Sony Chacko 9216a97a12 qlcnic: add wmb() call in transmit data path.
Call wmb() to ensure writes are complete before
hardware fetches updated Tx descriptors.

Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-07-01 04:59:49 -04:00
Soohoon Lee 43daa96b16 usbnet: Stop RX Q on MTU change
When MTU is changed unlink_urbs() flushes RX Q but mean while usbnet_bh()
can fill up the Q at the same time.
Depends on which HCD is down there unlink takes long time then the flush
never ends.

Signed-off-by: Soohoon Lee <soohoon.lee@f5.com>
Reviewed-by: Kimball Murray <kmurray@f5.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-30 09:05:05 -04:00
Xin Long b3a3c5176c ixgbevf: ixgbevf_write/read_posted_mbx should use IXGBE_ERR_MBX to initialize ret_val
Now ixgbevf_write/read_posted_mbx use -IXGBE_ERR_MBX as the initiative
return value, but it's incorrect, cause in ixgbevf_vlan_rx_add_vid(),
it use err == IXGBE_ERR_MBX, the err returned from mac.ops.set_vfta,
and in ixgbevf_set_vfta_vf, it return from write/read_posted. so we
should initialize err with IXGBE_ERR_MBX, instead of -IXGBE_ERR_MBX.

With this fix, the other functions that called it also can work well,
cause they only care about if err is 0 or not.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-06-29 09:18:06 -07:00
Jarod Wilson 838086414b e1000e: keep Rx/Tx HW_VLAN_CTAG in sync
The bit in the e1000 driver that mentions explicitly that the hardware
has no support for separate RX/TX VLAN accel toggling rings true for
e1000e as well, and thus both NETIF_F_HW_VLAN_CTAG_RX and
NETIF_F_HW_VLAN_CTAG_TX need to be kept in sync.

Revert a portion of commit 889ad45666 ("e1000e: keep VLAN interfaces
functional after rxvlan off") since keeping the bits in sync resolves
the original issue.

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2016-06-29 09:10:17 -07:00
Sudarsana Reddy Kalluru 34c7bb4705 qed: Protect the doorbell BAR with the write barriers.
SPQ doorbell is currently protected with the compilation barrier. Under the
stress scenarios, we may get into a state where (due to the weak ordering)
several ramrod doorbells were written to the BAR with an out-of-order
producer values. Need to change the barrier type to a write barrier to make
sure that the write buffer is flushed after each doorbell.

Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 08:12:45 -04:00
Jarod Wilson 889ad45666 e1000e: keep VLAN interfaces functional after rxvlan off
I've got a bug report about an e1000e interface, where a VLAN interface is
set up on top of it:

$ ip link add link ens1f0 name ens1f0.99 type vlan id 99
$ ip link set ens1f0 up
$ ip link set ens1f0.99 up
$ ip addr add 192.168.99.92 dev ens1f0.99

At this point, I can ping another host on vlan 99, ip 192.168.99.91.
However, if I do the following:

$ ethtool -K ens1f0 rxvlan off

Then no traffic passes on ens1f0.99. It comes back if I toggle rxvlan on
again. I'm not sure if this is actually intended behavior, or if there's a
lack of software VLAN stripping fallback, or what, but things continue to
work if I simply don't call e1000e_vlan_strip_disable() if there are
active VLANs (plagiarizing a function from the e1000 driver here) on the
interface.

Also slipped a related-ish fix to the kerneldoc text for
e1000e_vlan_strip_disable here...

Signed-off-by: Jarod Wilson <jarod@redhat.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 07:39:48 -04:00
Dan Carpenter 5b4d10f5e0 qlcnic: use the correct ring in qlcnic_83xx_process_rcv_ring_diag()
There is a static checker warning here "warn: mask and shift to zero"
and the code sets "ring" to zero every time.  From looking at how
QLCNIC_FETCH_RING_ID() is used in qlcnic_83xx_process_rcv_ring() the
qlcnic_83xx_hndl() should be removed.

Fixes: 4be41e92f7 ('qlcnic: 83xx data path routines')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 05:46:16 -04:00
Wei Yongjun 96183182ad ibmvnic: fix to use list_for_each_safe() when delete items
Since we will remove items off the list using list_del() we need
to use a safe version of the list_for_each() macro aptly named
list_for_each_safe().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 05:23:42 -04:00
Sunil Goutham 3e29adba56 net: thunderx: Fix TL4 configuration for secondary Qsets
TL4 calculation for a given SQ of secondary Qsets is incorrect
and goes out of bounds and also for some SQ's TL4 chosen will
transmit data via a different BGX interface and not same as
primary Qset's interface.

This patch fixes this issue.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 05:14:13 -04:00
Sunil Goutham 3f4c68cfde net: thunderx: Fix link status reporting
Check for SMU RX local/remote faults along with SPU LINK
status. Otherwise at times link is UP at our end but DOWN
at link partner's side. Also due to an issue in BGX it's
rarely seen that initialization doesn't happen properly
and SMU RX reports faults with everything fine at SPU.
This patch tries to reinitialize LMAC to fix it.

Also fixed LMAC disable sequence to properly bring down link.

Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: Tao Wang <tao.wang@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 05:14:13 -04:00
Gal Pressman bfe6d8d1d4 net/mlx5e: Reorganize ethtool statistics
Categorize and reorganize ethtool statistics counters by renaming to
"rx_*" and "tx_*" and removing redundant and duplicated counters, this
way they are easier to grasp and more user friendly.

Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:47 -04:00
Gal Pressman ed80ec4c17 net/mlx5e: Fix number of PFC counters reported to ethtool
Number of PFC counters used to count only number of priorities with PFC
enabled, but each priority has more than one counter, hence the need to
multiply it by the number of PFC counters per priority.

Fixes: cf678570d5 ('net/mlx5e: Add per priority group to PPort counters')
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Matthew Finlay 9ceec359e4 net/mlx5e: Prevent adding the same vxlan port
Do not allow the same vxlan udp port to be added to the device more than
once.

Fixes: b3f63c3d5e ("net/mlx5e: Add netdev support for VXLAN tunneling")
Signed-off-by: Matthew Finlay <matt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Gal Pressman fd4782c213 net/mlx5e: Check for BlueFlame capability before allocating SQ uar
Previous to this patch mapping was always set to write combining without
checking whether BlueFlame is supported in the device.

Fixes: 0ba422410b ('net/mlx5: Fix global UAR mapping')
Signed-off-by: Gal Pressman <galp@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Eli Cohen e0f46eb9f6 net/mlx5e: Change enum to better reflect usage
Change MLX5E_STATE_ASYNC_EVENTS_ENABLE to
MLX5E_STATE_ASYNC_EVENTS_ENABLED since it represent a state and not an
operation.

Fixes: acff797cd1 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality')
Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Majd Dibbiny 7092fe8669 net/mlx5: Add ConnectX-5 PCIe 4.0 to list of supported devices
Add the upcoming ConnectX-5 PCIe 4.0 device to the list of
supported devices by the mlx5 driver.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Eli Cohen 5be1ea899d net/mlx5: Update command strings
Add command string for MODIFY_FLOW_TABLE which is used by the driver.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:28:46 -04:00
Harini Katakam 3ec0a0f10c net: marvell: Add separate config ANEG function for Marvell 88E1111
Marvell 88E1111 currently uses the generic marvell config ANEG function.
This function has a sequence accessing Page 5 and Register 31,
both of which are not defined or reserved for this PHY.
Hence this patch adds a new config ANEG function for Marvell 88E1111
without these erroneous accesses.

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 04:07:36 -04:00
Florian Fainelli 69fc58a57e net: phy: Manage fixed PHY address space using IDA
If we have a system which uses fixed PHY devices and calls
fixed_phy_register() then fixed_phy_unregister() we can exhaust the
number of fixed PHYs available after a while, since we keep incrementing
the variable phy_fixed_addr, but we never decrement it.

This patch fixes that by converting the fixed PHY allocation to using
IDA, which takes care of the allocation/dealloaction of the PHY
addresses for us.

Fixes: a759512174 ("net: phy: extend fixed driver with fixed_phy_register()")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-29 03:51:40 -04:00
Wang Sheng-Hui f299a02d5f net/mlx5: use mlx5_buf_alloc_node instead of mlx5_buf_alloc in mlx5_wq_ll_create
Commit 311c7c71c9 ("net/mlx5e: Allocate DMA coherent memory on
reader NUMA node") introduced mlx5_*_alloc_node() but missed changing
some calling and warn messages. This patch introduces 2 changes:
	* Use mlx5_buf_alloc_node() instead of mlx5_buf_alloc() in
	  mlx5_wq_ll_create()
	* Update the failure warn messages with _node postfix for
	  mlx5_*_alloc function names

Fixes: 311c7c71c9 ("net/mlx5e: Allocate DMA coherent memory on reader NUMA node")
Signed-off-by: Wang Sheng-Hui <shhuiw@foxmail.com>
Acked-By: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 05:17:38 -04:00
Florian Fainelli 3894396e64 net: bgmac: Remove superflous netif_carrier_on()
bgmac_open() calls phy_start() to initialize the PHY state machine,
which will set the interface's carrier state accordingly, no need to
force that as this could be conflicting with the PHY state determined by
PHYLIB.

Fixes: dd4544f054 ("bgmac: driver for GBit MAC core on BCMA bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 04:22:17 -04:00
Florian Fainelli c3897f2a69 net: bgmac: Start transmit queue in bgmac_open
The driver does not start the transmit queue in bgmac_open(). If the
queue was stopped prior to closing then re-opening the interface, we
would never be able to wake-up again.

Fixes: dd4544f054 ("bgmac: driver for GBit MAC core on BCMA bus")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 04:22:17 -04:00
Florian Fainelli d2b1323387 net: bgmac: Fix SOF bit checking
We are checking for the Start of Frame bit in the ctl1 word, while this
bit is set in the ctl0 word instead. Read the ctl0 word and update the
check to verify that.

Fixes: 9cde94506e ("bgmac: implement scatter/gather support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 04:22:17 -04:00
Jay Vosburgh 0622cab034 bonding: fix 802.3ad aggregator reselection
Since commit 7bb11dc9f5 ("bonding: unify all places where
actor-oper key needs to be updated."), the logic in bonding to handle
selection between multiple aggregators has not functioned.

	This affects only configurations wherein the bonding slaves
connect to two discrete aggregators (e.g., two independent switches, each
with LACP enabled), thus creating two separate aggregation groups within a
single bond.

	The cause is a change in 7bb11dc9f5 to no longer set
AD_PORT_BEGIN on a port after a link state change, which would cause the
port to be reselected for attachment to an aggregator as if were newly
added to the bond.  We cannot restore the prior behavior, as it
contradicts IEEE 802.1AX 5.4.12, which requires ports that "become
inoperable" (lose carrier, setting port_enabled=false as per 802.1AX
5.4.7) to remain selected (i.e., assigned to the aggregator).  As the port
now remains selected, the aggregator selection logic is not invoked.

	A side effect of this change is that aggregators in bonding will
now contain ports that are link down.  The aggregator selection logic
does not currently handle this situation correctly, causing incorrect
aggregator selection.

	This patch makes two changes to repair the aggregator selection
logic in bonding to function as documented and within the confines of the
standard:

	First, the aggregator selection and related logic now utilizes the
number of active ports per aggregator, not the number of selected ports
(as some selected ports may be down).  The ad_select "bandwidth" and
"count" options only consider ports that are link up.

	Second, on any carrier state change of any slave, the aggregator
selection logic is explicitly called to insure the correct aggregator is
active.

Reported-by: Veli-Matti Lintu <veli-matti.lintu@opinsys.fi>
Fixes: 7bb11dc9f5 ("bonding: unify all places where actor-oper key needs to be updated.")
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-28 04:19:18 -04:00
David S. Miller 5aa3e24928 linux-can-fixes-for-4.7-20160623
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Merge tag 'linux-can-fixes-for-4.7-20160623' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can

Marc Kleine-Budde says:

====================
pull-request: can 2016-06-23

this is a pull request of 3 patches for the upcoming linux-4.7 release.

The first two patches are by Oliver Hartkopp fixing oopes in the generic CAN
device netlink handling. Jimmy Assarsson's patch for the kvaser_usb driver adds
support for more devices by adding their USB product ids.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-27 10:05:55 -04:00
Jeremy Linton a37503bc38 net: smsc911x: Fix bug where PHY interrupts are overwritten by 0
By default, mdiobus_alloc() sets the PHYs to polling mode, but a
pointer size memcpy means that a couple IRQs end up being overwritten
with a value of 0. This means that PHY_POLL is disabled and results
in unpredictable behavior depending on the PHY's location on the
MDIO bus. Remove that memcpy and the now unused phy_irq member to
force the SMSC911x PHYs into polling mode 100% of the time.

Fixes: e7f4dc3536 ("mdio: Move allocation of interrupts into core")
Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-27 04:21:15 -04:00
David S. Miller 00e8cb00bc wireless-drivers fixes for 4.7
iwlwifi
 
 * fix the scan timeout for long scans
 * fix an RCU splat caused when updating the TKIP key
 * fix a potential NULL-derefence introduced recently
 * fix a IGTK key bug that has existed since the MVM driver was introduced
 * fix some fw capabilities checks that got accidentally inverted
 
 rtl8xxxu
 
 * fix typo on variable name
 
 ath10k
 
 * fix deadlock when peer cannot be created
 * fix crash related to printing features
 * fix deadlock while processing rx_in_ord_ind
 
 ath9k
 
 * fix GPIO mask regression for AR9462 and AR9565
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Merge tag 'wireless-drivers-for-davem-2016-06-21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for 4.7

iwlwifi

* fix the scan timeout for long scans
* fix an RCU splat caused when updating the TKIP key
* fix a potential NULL-derefence introduced recently
* fix a IGTK key bug that has existed since the MVM driver was introduced
* fix some fw capabilities checks that got accidentally inverted

rtl8xxxu

* fix typo on variable name

ath10k

* fix deadlock when peer cannot be created
* fix crash related to printing features
* fix deadlock while processing rx_in_ord_ind

ath9k

* fix GPIO mask regression for AR9462 and AR9565
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-23 15:22:31 -04:00
Haishuang Yan efeb2267bb geneve: fix tx_errors statistics
Tx errors present summation of errors encountered while transmitting
packets.

Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-23 15:16:12 -04:00
Chris Packham 52fe705b49 net: vrf: replace hard tab with space in assignment
The assignment of rth->dst.output in vrf_rt6_create() and
vrf_rtable_create() used a hard tab before the '='. The neighboring
assignments did not. Make the assignment of rth->dst.output consistent
with the surrounding code.

Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Acked-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-23 15:14:43 -04:00
Jimmy Assarsson 71873a9b38 can: kvaser_usb: Add support for more Kvaser Leaf v2 devices
This patch adds support for Kvaser Leaf Light HS v2 OEM, Mini PCI
Express 2xHS and USBcan Light 2xHS.

Signed-off-by: Jimmy Assarsson <jimmyassarsson@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-23 11:16:41 +02:00
Oliver Hartkopp 25e1ed6e64 can: fix oops caused by wrong rtnl dellink usage
For 'real' hardware CAN devices the netlink interface is used to set CAN
specific communication parameters. Real CAN hardware can not be created nor
removed with the ip tool ...

This patch adds a private dellink function for the CAN device driver interface
that does just nothing.

It's a follow up to commit 993e6f2fd ("can: fix oops caused by wrong rtnl
newlink usage") but for dellink.

Reported-by: ajneu <ajneu1@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-23 10:58:17 +02:00
Oliver Hartkopp bce271f255 can: fix handling of unmodifiable configuration options fix
With upstream commit bb208f144c (can: fix handling of unmodifiable
configuration options) a new can_validate() function was introduced.

When invoking 'ip link set can0 type can' without any configuration data
can_validate() tries to validate the content without taking into account that
there's totally no content. This patch adds a check for missing content.

Reported-by: ajneu <ajneu1@gmail.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-23 10:58:16 +02:00
Eran Ben Elisha 9d76931180 net/mlx4_en: Avoid unregister_netdev at shutdown flow
This allows a clean shutdown, even if some netdev clients do not
release their reference from this netdev. It is enough to release
the HW resources only as the kernel is shutting down.

Fixes: 2ba5fbd62b ('net/mlx4_core: Handle AER flow properly')
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-22 16:38:11 -04:00
Kamal Heib 93c098af09 net/mlx4_en: Fix the return value of a failure in VLAN VID add/kill
Modify mlx4_en_vlan_rx_[add/kill]_vid to return error value in case of
failure.

Fixes: 8e586137e6 ('net: make vlan ndo_vlan_rx_[add/kill]_vid return error value')
Signed-off-by: Kamal Heib <kamalh@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-22 16:38:11 -04:00
Ido Schimmel 942f64c4c2 team: Fix possible deadlock during team enslave
Both dev_uc_sync_multiple() and dev_mc_sync_multiple() require the
source device to be locked by netif_addr_lock_bh(), but this is missing
in team's enslave function, so add it.

This fixes the following lockdep warning:

Possible interrupt unsafe locking scenario:

        CPU0                    CPU1
        ----                    ----
   lock(_xmit_ETHER/1);
                                local_irq_disable();
                                lock(&(&mc->mca_lock)->rlock);
                                lock(&team_netdev_addr_lock_key);
   <Interrupt>
     lock(&(&mc->mca_lock)->rlock);

  *** DEADLOCK ***

Fixes: cb41c997d4 ("team: team should sync the port's uc/mc addrs when add a port")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-22 16:31:03 -04:00
Maximilian Schneider f155d9c0a1 can: gs_usb: Add Basic support for the bytewerk.org candleLight interface
This patchs adds basic support for the bytewerk.org candleLight interface,
a open hardware (CERN OHL) USB CAN adapter.

Signed-off-by: Hubert Denkmair <hubert@denkmair.de>
Signed-off-by: Maximilian Schneider <max@schneidersoft.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-20 09:32:40 +02:00
Wolfgang Grandegger 43200a4480 can: at91_can: RX queue could get stuck at high bus load
At high bus load it could happen that "at91_poll()" enters with all RX
message boxes filled up. If then at the end the "quota" is exceeded as
well, "rx_next" will not be reset to the first RX mailbox and hence the
interrupts remain disabled.

Signed-off-by: Wolfgang Grandegger <wg@grandegger.com>
Tested-by: Amr Bekhit <amrbekhit@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-20 09:32:40 +02:00
Thor Thayer 427460c83c can: c_can: Update D_CAN TX and RX functions to 32 bit - fix Altera Cyclone access
When testing CAN write floods on Altera's CycloneV, the first 2 bytes
are sometimes 0x00, 0x00 or corrupted instead of the values sent. Also
observed bytes 4 & 5 were corrupted in some cases.

The D_CAN Data registers are 32 bits and changing from 16 bit writes to
32 bit writes fixes the problem.

Testing performed on Altera CycloneV (D_CAN).  Requesting tests on other
C_CAN & D_CAN platforms.

Reported-by: Richard Andrysek <richard.andrysek@gomtec.de>
Signed-off-by: Thor Thayer <tthayer@opensource.altera.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-06-20 09:32:40 +02:00
Yuval Mintz b639f19721 qed: Add missing port-mode
The 'MODULE_FIBER' value replaced several other FIBER values
in newer management firmware images, so existing code would
fail to properly reflect its mode.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-19 10:47:33 -07:00
Yuval Mintz db511c37d4 qed: Fix returning unlimited SPQ entries
Driver has 2 sets of entries for handling ramrod configurations
toward firmware - a regular pre-allocated set of entires and a
possible 'unlimited' list of additional pending entries.

In most scenarios the 'unlimited' list would not be used, but
when it does the handling of the ramrod completion doesn't
properly handle the release of the entry.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-19 10:47:32 -07:00
Yuval Mintz a0d26d5a4f qed*: Don't reset statistics on inner reload
Several user APIs can cause driver to perform an inner-reload.
Currently, doing this would cause the HW/FW statistics of the
adapter to reset, which isn't the expected behavior [statistics
should only reset on explicit unloads].

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-19 10:47:32 -07:00
Yuval Mintz 326439883e qed: Prevent VF from Tx-switching 'promisc'
Internal loopback in driver is based on two things - first
is the willingness of transmitter to use it [in case of VFs,
this can be forced based on VEPA/VEB] and secondly on another
vport classification configuration which should match the
packet's destination.

Current code allows non-linux VFs to configure a 'promisc'
mode on Tx, meaning all traffic sent by VF would be loopbacked
internally by firmware; This isn't considered a valid mode and
as such should be prevented by PF.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-19 10:47:32 -07:00
Yuval Mintz e6bd89232b qed: Correct default vlan behavior
When no vlan filter is configured, firmware has a configurable
default on whether to pass only untagged packets or all packets
regardless of their tagging. Driver currently doesn't set this
field in the necessary ramrod, causing the default to always be
'receive all'.

Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-19 10:47:32 -07:00
Arnd Bergmann a9836cbb5f net: tilegx: use correct timespec64 type
The conversion to the 64-bit time based ptp methods left two instances
of 'struct timespec' in place. This is harmless because 64-bit
architectures define timespec64 as timespec, and this driver is
not used on 32-bit machines.

However, using 'struct timespec64' directly is obviously the right
thing to do, and will help us remove 'struct timespec' in the future.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: b9acf24f77 ("ptp: tilegx: convert to the 64 bit get/set time methods.")
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-17 22:27:38 -07:00
Nogah Frankel 4e239fac7c mlxsw: switchx2: Don't count internal TX header bytes to stats
Stop the SW TX counter from counting the TX header bytes
since they are not being sent out.

Fixes: e577516b9d ("mlxsw: Fix use-after-free bug in mlxsw_sx_port_xmit")
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-17 21:57:53 -07:00
Nogah Frankel 63dcdd35c1 mlxsw: spectrum: Don't count internal TX header bytes to stats
Stop the SW TX counter from counting the TX header bytes
since they are not being sent out.

Fixes: 56ade8fe3f ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-17 21:57:53 -07:00
Jakub Kicinski ce449ba77a nfp: use correct index to mask link state irq
We were using an incorrect define to get the irq vector number.
NFP_NET_CFG_LSC is a control BAR offset, LSC interrupt vector
index is called NFP_NET_IRQ_LSC_IDX.  For machines with less
than 30 CPUs this meant that we were disabling/enabling IRQ 0.
For bigger hosts we were just playing with the 31st RX/TX
interrupt.

Fixes: 0ba40af963 ("nfp: move link state interrupt request/free calls")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16 22:02:54 -07:00
Alexander Duyck a547224dce mlx4e: Do not attempt to offload VXLAN ports that are unrecognized
The mlx4e driver does not support more than one port for VXLAN offload.  As
such expecting the hardware to offload other ports is invalid since it
appears the parsing logic is used to perform Tx checksum and segmentation
offloads.  Use the vxlan_port number to determine in which cases we can
apply the offload and in which cases we can not.

Signed-off-by: Alexander Duyck <aduyck@mirantis.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2016-06-16 14:24:59 -07:00