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git://git.kernel.org/pub/scm/linux/kernel/git/leon/linux-rdma into mlx5-shared
Mellanox ConnectX-4/Connect-IB shared code (HW part)
* net/mlx5: Introduce alloc_encap and dealloc_encap commands
* net/mlx5: Update mlx5_ifc.h for vxlan encap/decap
* net/mlx5: Enable setting minimum inline header mode for VFs
* net/mlx5: Improve driver log messages
* net/mlx5: Unify and improve command interface
* {net,IB}/mlx5: Modify QP commands via mlx5 ifc
* {net,IB}/mlx5: QP/XRCD commands via mlx5 ifc
* {net,IB}/mlx5: MKey/PSV commands via mlx5 ifc
* {net,IB}/mlx5: CQ commands via mlx5 ifc
* net/mlx5: EQ commands via mlx5 ifc
* net/mlx5: Pages management commands via mlx5 ifc
* net/mlx5: MCG commands via mlx5 ifc
* net/mlx5: PD and UAR commands via mlx5 ifc
* net/mlx5: Access register and MAD IFC commands via mlx5 ifc
* net/mlx5: Init/Teardown hca commands via mlx5 ifc
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC late DT updates from Arnd Bergmann:
"These updates have been kept in a separate branch mostly because they
rely on updates to the respective clk drivers to keep the shared
header files in sync.
- The Renesas r8a7796 (R-Car M3-W) platform gets added, this is an
automotive SoC similar to the ⅹ8a7795 chip we already support, but
the dts changes rely on a clock driver change that has been merged
for v4.9 through the clk tree.
- The Amlogic meson-gxbb (S905) platform gains support for a few
drivers merged through our tree, in particular the network and usb
driver changes are required and included here, and also the clk
tree changes.
- The Allwinner platforms have seen a large-scale change to their clk
drivers and the dts file updates must come after that. This
includes the newly added Nextthing GR8 platform, which is derived
from sun5i/A13.
- Some integrator (arm32) changes rely on clk driver changes.
- A single patch for lpc32xx has no such dependency but wasn't added
until just before the merge window"
* tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (99 commits)
ARM: dts: lpc32xx: add device node for IRAM on-chip memory
ARM: dts: sun8i: Add accelerometer to polaroid-mid2407pxe03
ARM: dts: sun8i: enable UART1 for iNet D978 Rev2 board
ARM: dts: sun8i: add pinmux for UART1 at PG
dts: sun8i-h3: add I2C0-2 peripherals to H3 SOC
dts: sun8i-h3: add pinmux definitions for I2C0-2
dts: sun8i-h3: associate exposed UARTs on Orange Pi Boards
dts: sun8i-h3: split off RTS/CTS for UART1 in seperate pinmux
dts: sun8i-h3: add pinmux definitions for UART2-3
ARM: dts: sun9i: a80-optimus: Disable EHCI1
ARM: dts: sun9i: cubieboard4: Add AXP806 PMIC device node and regulators
ARM: dts: sun9i: a80-optimus: Add AXP806 PMIC device node and regulators
ARM: dts: sun9i: cubieboard4: Declare AXP809 SW regulator as unused
ARM: dts: sun9i: a80-optimus: Declare AXP809 SW regulator as unused
ARM: dts: sun8i: Add touchscreen node for sun8i-a33-ga10h
ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2809pxe04
ARM: dts: sun8i: Add touchscreen node for sun8i-a23-polaroid-mid2407pxe03
ARM: dts: sun8i: Add touchscreen node for sun8i-a23-inet86dz
ARM: dts: sun8i: Add touchscreen node for sun8i-a23-gt90h
ARM64: dts: meson-gxbb-vega-s95: Enable USB Nodes
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git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/late
Pull "Amlogic driver updates for v4.9, 2nd round" from Kevin Hilman:
- media: update IR support for newer SoCs
- firmware: add secure monitor driver
- net: new stmmac glue driver
- usb: udd DWC2 support for meson-gxbb
- clocks: expose more clock IDs for use by DT
- DT binding updates
* tag 'amlogic-drivers-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: (21 commits)
clk: gxbb: expose i2c clocks
clk: gxbb: expose USB clocks
clk: gxbb: expose spifc clock
clk: gxbb: expose MPLL2 clock for use by DT
Documentation: dt-bindings: Add documentation for the Meson USB2 PHYs
usb: dwc2: add support for Meson8b and GXBB SoCs
net: stmmac: update the module description of the dwmac-meson driver
net: stmmac: add a glue driver for the Amlogic Meson 8b / GXBB DWMAC
stmmac: introduce get_stmmac_bsp_priv() helper
net: dt-bindings: Document the new Meson8b and GXBB DWMAC bindings
clk: meson-gxbb: Export PWM related clocks for DT
meson: clk: Add support for clock gates
gxbb: clk: Adjust MESON_GATE macro to be shared with meson8b
clk: meson: Copy meson8b CLKID defines to private header file
meson: clk: Rename register names according to Amlogic datasheet
meson: clk: Move register definitions to meson8b.h
clk: meson: Rename meson8b-clkc.c to reflect gxbb naming convention
nvmem: amlogic: Add Amlogic Meson EFUSE driver
firmware: Amlogic: Add secure monitor driver
media: rc: meson-ir: Add support for newer versions of the IR decoder
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The dwmac-meson glue driver supports Meson6 and Meson8 SoCs. Newer SoCs
are supported by the dwmac-meson8b driver.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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The Ethernet controller available in Meson8b and GXBB SoCs is a Synopsys
DesignWare MAC IP core which is already supported by the stmmac driver.
In addition to the standard stmmac driver some Meson8b / GXBB specific
registers have to be configured for the PHY clocks. These SoC specific
registers are called PRG_ETHERNET_ADDR0 and PRG_ETHERNET_ADDR1 in the
datasheet.
These registers are not backwards compatible with those on Meson 6b,
which is why a new glue driver is introduced. This worked for many
boards because the bootloader programs the PRG_ETHERNET registers
correctly. Additionally the meson6-dwmac driver only sets bit 1 of
PRG_ETHERNET_ADDR0 which (according to the datasheet) is only used
during reset.
Currently all configuration values can be determined automatically,
based on the configured phy-mode (which is mandatory for the stmmac
driver). If required the tx-delay and the mux clock (so it supports
the MPLL2 clock as well) can be made configurable in the future.
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Create a helper to retrieve dwmac private data from a dev
pointer. This is useful in PM callbacks and driver remove.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
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Set bit 0 in register 1C.23 to enable the EDPD feature of the
KSZ9031 PHY. This reduces power consumption when the link is
down.
Signed-off-by: Mike Looijmans <mike.looijmans@topic.nl>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking updates from David Miller:
1) BBR TCP congestion control, from Neal Cardwell, Yuchung Cheng and
co. at Google. https://lwn.net/Articles/701165/
2) Do TCP Small Queues for retransmits, from Eric Dumazet.
3) Support collect_md mode for all IPV4 and IPV6 tunnels, from Alexei
Starovoitov.
4) Allow cls_flower to classify packets in ip tunnels, from Amir Vadai.
5) Support DSA tagging in older mv88e6xxx switches, from Andrew Lunn.
6) Support GMAC protocol in iwlwifi mwm, from Ayala Beker.
7) Support ndo_poll_controller in mlx5, from Calvin Owens.
8) Move VRF processing to an output hook and allow l3mdev to be
loopback, from David Ahern.
9) Support SOCK_DESTROY for UDP sockets. Also from David Ahern.
10) Congestion control in RXRPC, from David Howells.
11) Support geneve RX offload in ixgbe, from Emil Tantilov.
12) When hitting pressure for new incoming TCP data SKBs, perform a
partial rathern than a full purge of the OFO queue (which could be
huge). From Eric Dumazet.
13) Convert XFRM state and policy lookups to RCU, from Florian Westphal.
14) Support RX network flow classification to igb, from Gangfeng Huang.
15) Hardware offloading of eBPF in nfp driver, from Jakub Kicinski.
16) New skbmod packet action, from Jamal Hadi Salim.
17) Remove some inefficiencies in snmp proc output, from Jia He.
18) Add FIB notifications to properly propagate route changes to
hardware which is doing forwarding offloading. From Jiri Pirko.
19) New dsa driver for qca8xxx chips, from John Crispin.
20) Implement RFC7559 ipv6 router solicitation backoff, from Maciej
Żenczykowski.
21) Add L3 mode to ipvlan, from Mahesh Bandewar.
22) Support 802.1ad in mlx4, from Moshe Shemesh.
23) Support hardware LRO in mediatek driver, from Nelson Chang.
24) Add TC offloading to mlx5, from Or Gerlitz.
25) Convert various drivers to ethtool ksettings interfaces, from
Philippe Reynes.
26) TX max rate limiting for cxgb4, from Rahul Lakkireddy.
27) NAPI support for ath10k, from Rajkumar Manoharan.
28) Support XDP in mlx5, from Rana Shahout and Saeed Mahameed.
29) UDP replicast support in TIPC, from Richard Alpe.
30) Per-queue statistics for qed driver, from Sudarsana Reddy Kalluru.
31) Support BQL in thunderx driver, from Sunil Goutham.
32) TSO support in alx driver, from Tobias Regnery.
33) Add stream parser engine and use it in kcm.
34) Support async DHCP replies in ipconfig module, from Uwe
Kleine-König.
35) DSA port fast aging for mv88e6xxx driver, from Vivien Didelot.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1715 commits)
mlxsw: switchx2: Fix misuse of hard_header_len
mlxsw: spectrum: Fix misuse of hard_header_len
net/faraday: Stop NCSI device on shutdown
net/ncsi: Introduce ncsi_stop_dev()
net/ncsi: Rework the channel monitoring
net/ncsi: Allow to extend NCSI request properties
net/ncsi: Rework request index allocation
net/ncsi: Don't probe on the reserved channel ID (0x1f)
net/ncsi: Introduce NCSI_RESERVED_CHANNEL
net/ncsi: Avoid unused-value build warning from ia64-linux-gcc
net: Add netdev all_adj_list refcnt propagation to fix panic
net: phy: Add Edge-rate driver for Microsemi PHYs.
vmxnet3: Wake queue from reset work
i40e: avoid NULL pointer dereference and recursive errors on early PCI error
qed: Add RoCE ll2 & GSI support
qed: Add support for memory registeration verbs
qed: Add support for QP verbs
qed: PD,PKEY and CQ verb support
qed: Add support for RoCE hw init
qede: Add qedr framework
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In order to specify that the mlxsw switchx2 driver needs additional
headroom for packets, there have been use of the hard_header_len field of
the netdevice struct.
This commit changes that to use needed_headroom instead, as this is the
correct way to do that.
Fixes: 31557f0f9755 ("mlxsw: Introduce Mellanox SwitchX-2 ASIC support")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to specify that the mlxsw spectrum driver needs additional
headroom for packets, there have been use of the hard_header_len field of
the netdevice struct.
This commit changes that to use needed_headroom instead, as this is the
correct way to do that.
Fixes: 56ade8fe3fe1 ("mlxsw: spectrum: Add initial support for Spectrum ASIC")
Signed-off-by: Yotam Gigi <yotamg@mellanox.com>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This stops NCSI device when closing the network device so that the
NCSI device can be reenabled later.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Edge-rate:
As system and networking speeds increase, a signal's output transition,
also know as the edge rate or slew rate (V/ns), takes on greater importance
because high-speed signals come with a price. That price is an assortment of
interference problems like ringing on the line, signal overshoot and
undershoot, extended signal settling times, crosstalk noise, transmission
line reflections, false signal detection by the receiving device and
electromagnetic interference (EMI) -- all of which can negate the potential
gains designers are seeking when they try to increase system speeds through
the use of higher performance logic devices. The fact is, faster signaling
edge rates can cause a higher level of electrical noise or other type of
interference that can actually lead to slower line speeds and lower maximum
system frequencies. This parameter allow the board designers to change the
driving strange, and thereby change the EMI behavioral.
Edge-rate parameters (vddmac, edge-slowdown) get from Device Tree.
Tested on Beaglebone Black with VSC 8531 PHY.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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vmxnet3_reset_work() expects tx queues to be stopped (via
vmxnet3_quiesce_dev -> netif_tx_disable). However, this races with the
netif_wake_queue() call in netif_tx_timeout() such that the driver's
start_xmit routine may be called unexpectedly, triggering one of the BUG_ON
in vmxnet3_map_pkt with a stack trace like this:
RIP: 0010:[<ffffffffa00cf4bc>] vmxnet3_map_pkt+0x3ac/0x4c0 [vmxnet3]
[<ffffffffa00cf7e0>] vmxnet3_tq_xmit+0x210/0x4e0 [vmxnet3]
[<ffffffff813ab144>] dev_hard_start_xmit+0x2e4/0x4c0
[<ffffffff813c956e>] sch_direct_xmit+0x17e/0x1e0
[<ffffffff813c96a7>] __qdisc_run+0xd7/0x130
[<ffffffff813a6a7a>] net_tx_action+0x10a/0x200
[<ffffffff810691df>] __do_softirq+0x11f/0x260
[<ffffffff81472fdc>] call_softirq+0x1c/0x30
[<ffffffff81004695>] do_softirq+0x65/0xa0
[<ffffffff81069b89>] local_bh_enable_ip+0x99/0xa0
[<ffffffffa031ff36>] destroy_conntrack+0x96/0x110 [nf_conntrack]
[<ffffffff813d65e2>] nf_conntrack_destroy+0x12/0x20
[<ffffffff8139c6d5>] skb_release_head_state+0xb5/0xf0
[<ffffffff8139d299>] skb_release_all+0x9/0x20
[<ffffffff8139cfe9>] __kfree_skb+0x9/0x90
[<ffffffffa00d0069>] vmxnet3_quiesce_dev+0x209/0x340 [vmxnet3]
[<ffffffffa00d020a>] vmxnet3_reset_work+0x6a/0xa0 [vmxnet3]
[<ffffffff8107d7cc>] process_one_work+0x16c/0x350
[<ffffffff810804fa>] worker_thread+0x17a/0x410
[<ffffffff810848c6>] kthread+0x96/0xa0
[<ffffffff81472ee4>] kernel_thread_helper+0x4/0x10
Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2016-10-02
This series contains updates to fm10k only.
Jake fixes an issue where PTP applications requesting software timestamps
may complain that the requested mode is not supported, so add a generic
callback for those drivers that have software transmit timestamp support
enabled. Then provides a trivial cleanup where a code was not wrapped
properly. Got make sure that code looks good in a 80 character limit.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trivial change here to cleanup a checkpatch.pl warning that got
introduced when changing to alloc_workqueue.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This generic callback is for drivers which have software Tx timestamp
support enabled. Without this, PTP applications requesting software
timestamps may complain that the requested mode is not supported.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Although rare, it's possible to hit PCI error early on device
probe, meaning possibly some structs are not entirely initialized,
and some might even be completely uninitialized, leading to NULL
pointer dereference.
The i40e driver currently presents a "bad" behavior if device hits
such early PCI error: firstly, the struct i40e_pf might not be
attached to pci_dev yet, leading to a NULL pointer dereference on
access to pf->state.
Even checking if the struct is NULL and avoiding the access in that
case isn't enough, since the driver cannot recover from PCI error
that early; in our experiments we saw multiple failures on kernel
log, like:
[549.664] i40e 0007:01:00.1: Initial pf_reset failed: -15
[549.664] i40e: probe of 0007:01:00.1 failed with error -15
[...]
[871.644] i40e 0007:01:00.1: The driver for the device stopped because the
device firmware failed to init. Try updating your NVM image.
[871.644] i40e: probe of 0007:01:00.1 failed with error -32
[...]
[872.516] i40e 0007:01:00.0: ARQ: Unknown event 0x0000 ignored
Between the first probe failure (error -15) and the second (error -32)
another PCI error happened due to the first bad probe. Also, driver
started to flood console with those ARQ event messages.
This patch will prevent these issues by allowing error recovery
mechanism to remove the failed device from the system instead of
trying to recover from early PCI errors during device probe.
CC: <stable@vger.kernel.org>
Signed-off-by: Guilherme G Piccoli <gpiccoli@linux.vnet.ibm.com>
Acked-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:
====================
40GbE Intel Wired LAN Driver Updates 2016-10-03
This series contains fixes to i40e only.
Stefan Assmann provides the changes in this series to resolve an issue
where when we run out of MSIx vectors, iWARP gets disabled automatically.
First adds a check for "no vectors left" during MSIx vector allocation
for VMDq, which will prevent more vectors being allocated than available.
Then fixed the MSIx vector redistribution when we reach the hardware limit
for vectors so that additional features like VMDq, iWARP, etc do not get
starved for vectors because the PF is hogging all the resources. Lastly,
fix the issue for flow director by moving the check for the reaching the
vector limit earlier in the code so that a decision can be made on
disabling flow director.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently if the MSI-X vector limit is reached the sideband flow
director gets disabled. A bit too early to make that decision, as
vectors may get re-distributed. So move the check further back.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The driver allocates 1 vector per CPU thread and the current hardware
limit for vectors is 129 per PF. On systems with 128 or more threads
this currently means all vectors are used by the PF leaving no room for
additional features like VMDq, iWARP, etc...
The code that should redistribute the vectors in this case is broken and
never triggers. Fixed the code so that it actually triggers if the
hardware limit is reached and adjust the number of queue pairs
accordingly.
Also the number of initially requested iWARP vectors was not properly
saved when the vector limit was reached, and therefore always zero.
Comparison with debug statement.
Before:
i40e 0000:2d:00.0: VMDq disabled, not enough MSI-X vectors
i40e 0000:2d:00.0: IWARP disabled, not enough MSI-X vectors
i40e 00.0 MSI-X vector distribution: PF 128, VMDq 0, FDSB 0, iWARP 0
After:
i40e 0000:2d:00.0: MSI-X vector limit reached, attempting to redistribute vectors
i40e 00.0 MSI-X vector distribution: PF 78, VMDq 8, FDSB 0, iWARP 42
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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During MSI-X vector allocation for VMDq, a check for "no vectors left"
was missing, add it. This prevents more vectors to be allocated than
available.
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add the RoCE-specific LL2 logic [as well as GSI support] over
the 'generic' LL2 interface.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add slowpath configuration support for user, dma and memory
regions registration.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the slowpath configurations of Queue Pair verbs
which adds, deletes, modifies and queries Queue Pairs.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the configurations of the protection domain and
completion queues.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the backbone required for the various HW initalizations
which are necessary for the qedr driver - FW notification, resource
initializations, etc.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds a skeletal implementation of the qede RoCE driver -
The qedr has some dependencies of the state of the underlying base
interface. This adds some logic required with mutual registrations
and the ability to pass updates on 'intresting' events.
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Other protocols beside the networking driver need the ability
of passing some L2 traffic, usually [although not limited] for the
purpose of some management traffic.
Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com>
Signed-off-by: Ram Amrani <Ram.Amrani@caviumnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In case of error, the function ioremap() returns NULL pointer
not ERR_PTR(). The IS_ERR() test in the return value check
should be replaced with NULL test.
Also add check for return value of platform_get_resource().
Fixes: 54e19bc74f33 ("net: qcom/emac: do not use devm on internal
phy pdev")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Timur Tabi <timur@codeaurora.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to clk_disable_unprepare(dev->clk)
before it was initialized.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If fi->fib_nhs is zero, the router interface pointer is uninitialized, as shown by
this warning:
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c: In function 'mlxsw_sp_router_fib_event':
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:1674:21: error: 'r' may be used uninitialized in this function [-Werror=maybe-uninitialized]
drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c:1643:23: note: 'r' was declared here
This changes the loop so we handle the case the same way as finding no router
interface pointer attached to one of the nexthops to ensure we always
trap here instead of using uninitialized data.
Fixes: b45f64d16d45 ("mlxsw: spectrum_router: Use FIB notifications instead of switchdev calls")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Build-testing this driver with -Wmaybe-uninitialized gives a new false-positive
warning that I can't really explain:
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c: In function 'mlx5e_configure_flower':
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:509:3: error: 'old_attr' may be used uninitialized in this function [-Werror=maybe-uninitialized]
It's obvious from the code that 'old_attr' is initialized whenever 'old'
is non-NULL here. The warning appears with all versions I tested from gcc-4.7
through gcc-6.1, and I could not come up with a way to rewrite the function
in a more readable way that avoids the warning, so I'm adding another
initialization to shut it up.
Fixes: 8b32580df1cb ("net/mlx5e: Add TC vlan action for SRIOV offloads")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A recent cleanup marked cxgb4_dcb_enabled as 'static', which is correct, but this ignored
how the symbol is also exported. In addition, the export can be compiled out when modules
are disabled, causing a harmless compiler warning in configurations for which it is not
used at all:
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:282:12: error: 'cxgb4_dcb_enabled' defined but not used [-Werror=unused-function]
This removes the export and moves the function into the correct #ifdef so we only build
it when there are users.
Fixes: 50935857f878 ("cxgb4: mark symbols static where possible")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If the mac address origin is not dt, you can only safely assign a mac
address after "link up" of the device. If the link is off the clocks are
disabled and because of issues assigning registers when clocks are off the
new mac address cannot be written in .ndo_set_mac_address() on some soc's.
This fix sets the mac address unconditionally in fec_restart(...) and
ensures consistency between fec registers and the network layer.
Signed-off-by: Gavin Schenk <g.schenk@eckelmann.de>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 9638d19e4816 ("net: fec: add netif status check before set mac address")
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 2 warnings when building kernel with W=1:
drivers/net/ethernet/mediatek/mtk_eth_soc.c:2041:5: warning: no previous prototype for 'mtk_get_link_ksettings' [-Wmissing-prototypes]
drivers/net/ethernet/mediatek/mtk_eth_soc.c:2052:5: warning: no previous prototype for 'mtk_set_link_ksettings' [-Wmissing-prototypes]
In fact, these functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks these functions with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We get 1 warning when building kernel with W=1:
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c:2715:5: warning: no previous prototype for 'cxgb_setup_tc' [-Wmissing-prototypes]
In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
so this patch marks this function with 'static'.
Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Three sets of overlapping changes. Nothing serious.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This implements ndo_poll_controller in net_device_ops callbacks for mlx5,
which is necessary to use netconsole with this driver.
Acked-By: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set upper 32 bits of destination register to zeros after
load from the context structure.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This also can address following UBSAN warnings:
[ 36.640343] ================================================================================
[ 36.648772] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:857:26
[ 36.656853] shift exponent 64 is too large for 32-bit type 'int'
[ 36.663348] ================================================================================
[ 36.671783] ================================================================================
[ 36.680213] UBSAN: Undefined behaviour in drivers/net/ethernet/mellanox/mlx4/fw.c:861:27
[ 36.688297] shift exponent 35 is too large for 32-bit type 'int'
[ 36.694702] ================================================================================
Tested:
reboot with UBSAN, no warning.
Signed-off-by: David Decotigny <decot@googlers.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
wireless-drivers-next patches for 4.9
Major changes:
iwlwifi
* work for new hardware support continues
* dynamic queue allocation stabilization
* improvements in the MSIx code
* multiqueue support work continues
* new firmware version support (API 26)
* add 8275 series support
* add 9560 series support
* add support for MU-MIMO sniffer
* add support for RRM by scan
* add support for "reverse" rx packet injection faking hw descriptors
* migrate to devm memory allocation handling
* Remove support for older firmwares (API older than -17 and -22)
wl12xx
* support booting the same rootfs with both wl12xx and wl18xx
hostap
* mark the driver as obsolete
ath9k
* disable RNG by default
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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ath.git patches for 4.9. Major changes:
ath9k
* disable RNG by default
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When building with W=1, we got one warning as belows:
drivers/net/wireless/ath/ath6kl/wmi.c:3509:6: warning: variable ‘ret’
set but not used [-Wunused-but-set-variable]
At the end of ath6kl_wmi_set_pvb_cmd, it is returned by 0 regardless of
return value of ath6kl_wmi_cmd_send.
This patch fixes return value from 0 to ret that has result of
ath6kl_wmi_cmd_send execution.
Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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ath9k RNG will dominates all the noise sources from the real HW
RNG, disable it by default. But we strongly recommand to enable
it if the system without HW RNG, especially on embedded systems.
Signed-off-by: Miaoqing Pan <miaoqing@codeaurora.org>
Acked-by: Stephan Mueller <smueller@chronox.de>
Acked-by: Stephan Mueller <smueller@chronox.de>
Reviewed-by: Jason Cooper <jason@lakedaemon.net>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Firmware is running watchdog timer for tracking copy engine ring index
and write index. Whenever both indices are stuck at same location for
given duration, watchdog will be trigger to assert target. While
updating copy engine destination ring write index, driver ensures that
write index will not be same as read index by finding delta between these
two indices (CE_RING_DELTA).
HTT target to host copy engine (CE5) is special case where ring buffers
will be reused and delta check is not applied while updating write index.
In rare scenario, whenever CE5 ring is full, both indices will be referring
same location and this is causing CE ring stuck issue as explained
above. This issue is originally reported on IPQ4019 during long hour stress
testing and during veriwave max clients testsuites. The same issue is
also observed in other chips as well. Fix this by ensuring that write
index is one less than read index which means that full ring is
available for receiving data.
Cc: stable@vger.kernel.org
Tested-by: Tamizh chelvam <c_traja@qti.qualcomm.com>
Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Ignore processing further in SWBA event scheduled for a vif, if mac80211
has marked the particular vif for stop beaconing and brought the vdev
down in 'ath10k_control_beaconing'. This should potentially avoid ath10k
warning/error messages while running continuous wifi down/up with max
number of vaps configured. Found this change during code walk through
and going through other beacon configuration related functions in ath10k
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Fix to return a negative error code from the error handling case
instead of 0, as done elsewhere in function ath10k_ahb_probe() or
ath10k_ahb_resource_init().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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The (1 << x) - 1 trick won't work when you
are trying to fill up all 64 bits, so add special
case for that.
Signed-off-by: Ben Greear <greearb@candelatech.com>
[kvalo@qca.qualcomm.com: remove the sentence about moving limits]
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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They are not necessarily named in an intuitive manner,
so at least add some comments to help the next person.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
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