Add support for DT property "microchip,led-modes", a vector of zero
to four cells (u32s) in the range 0-15, each of which sets the mode
for one of the LEDs. Some possible values are:
0=link/activity 1=link1000/activity
2=link100/activity 3=link10/activity
4=link100/1000/activity 5=link10/1000/activity
6=link10/100/activity 14=off 15=on
These values are given symbolic constants in a dt-bindings header.
Also use the presence of the DT property to indicate that the
LEDs should be enabled - necessary in the event that no valid OTP
or EEPROM is available.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is a standard mechanism for locating and using a MAC address from
the Device Tree. Use this facility in the lan78xx driver to support
applications without programmed EEPROM or OTP. At the same time,
regularise the handling of the different address sources.
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use cpumask_local_spread to provide interrupt affinity hints
for each queue. This will spread interrupts across NUMA local
CPUs first, extending to remote nodes if needed.
Signed-off-by: Bert Kenward <bkenward@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- some fixes of kmalloc() flags
- one fix of the xenbus driver
- an update of the pv sound driver interface needed for a driver which
will go through the sound tree
* tag 'for-linus-4.17-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: xenbus_dev_frontend: Really return response string
xen/sndif: Sync up with the canonical definition in Xen
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_reg_add
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in xen_pcibk_config_quirks_init
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_device_alloc
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_init_device
xen: xen-pciback: Replace GFP_ATOMIC with GFP_KERNEL in pcistub_probe
Shahed Shaikh says:
====================
qed* : Use trust mode to override forced MAC
This patchset adds a support to override forced MAC (MAC set by PF for a VF)
when trust mode is enabled using
First patch adds a real change to use .ndo_set_vf_trust to override forced MAC
and allow user to change VFs from VF interface itself.
Second patch takes care of a corner case, where MAC change from VF won't
take effect when VF interface is down, by introducing a new TLV
(a way to send message from VF to PF) to give a hint to PF to update
its bulletin board.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There may be a need for VF driver to request PF to explicitly update its
bulletin with a MAC address.
e.g. When user assigns a MAC address to VF while VF is still down,
and PF's bulletin board contains different MAC address, in this case,
when VF's interface is brought up, it gets loaded with MAC address from
bulletin board which is not desirable.
To handle this corner case, we need a new TLV to request PF to update
its bulletin board with suggested MAC.
This request will be honored only for trusted VFs.
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As per existing behavior, when PF sets a MAC address for a VF
(also called as forced MAC), VF is not allowed to change its
MAC address afterwards.
This puts the limitation on few use cases such as bonding of VFs,
where bonding driver asks VF to change its MAC address.
This patch uses a VF trust mode to allow VF to change its MAC address
in spite PF has set a forced MAC for that VF.
Signed-off-by: Shahed Shaikh <shahed.shaikh@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix an off-by-one bug in our alternative asm patching which leads to incorrectly
patched code. This bug lay dormant for nearly 10 years but we finally hit it
due to a recent change.
Fix lockups when running KVM guests on Power8 due to a missing check when a
thread that's running KVM comes out of idle.
Fix an out-of-spec behaviour in the XIVE code (P9 interrupt controller).
Fix EEH handling of bridge MMIO windows.
Prevent crashes in our RFI fallback flush handler if firmware didn't tell us the
size of the L1 cache (only seen on simulators).
Thanks to:
Benjamin Herrenschmidt, Madhavan Srinivasan, Michael Neuling.
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Merge tag 'powerpc-4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- Fix an off-by-one bug in our alternative asm patching which leads to
incorrectly patched code. This bug lay dormant for nearly 10 years
but we finally hit it due to a recent change.
- Fix lockups when running KVM guests on Power8 due to a missing check
when a thread that's running KVM comes out of idle.
- Fix an out-of-spec behaviour in the XIVE code (P9 interrupt
controller).
- Fix EEH handling of bridge MMIO windows.
- Prevent crashes in our RFI fallback flush handler if firmware didn't
tell us the size of the L1 cache (only seen on simulators).
Thanks to: Benjamin Herrenschmidt, Madhavan Srinivasan, Michael Neuling.
* tag 'powerpc-4.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/kvm: Fix lockups when running KVM guests on Power8
powerpc/eeh: Fix enabling bridge MMIO windows
powerpc/xive: Fix trying to "push" an already active pool VP
powerpc/64s: Default l1d_size to 64K in RFI fallback flush
powerpc/lib: Fix off-by-one in alternate feature patching
Alexey Kodanev says:
====================
geneve: verify user specified MTU or adjust with a lower device
The first two patches don't introduce any functional changes and
contain minor cleanups for code readability.
The last one adds a new function geneve_link_config() similar to the
other tunnels. The function will be used on a new link creation or
when 'remote' parameter is changed. It adjusts a user specified MTU
or, if it finds a lower device, tunes the tunnel MTU using it.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, on a new link creation or when 'remote' address parameter
is updated, an MTU is not changed and always equals 1500. When a lower
device has a larger MTU, it might not be efficient, e.g. for UDP, and
requires the manual MTU adjustments to match the MTU of the lower
device.
This patch tries to automate this process, finds a lower device using
the 'remote' address parameter, then uses its MTU to tune GENEVE's MTU:
* on a new link creation
* when 'remote' parameter is changed
Also with this patch, the MTU from a user, on a new link creation, is
passed to geneve_change_mtu() where it is verified, and MTU adjustments
with a lower device is skipped in that case. Prior that change, it was
possible to set the invalid MTU values on a new link creation.
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
geneve_change_mtu() will be used not only as ndo_change_mtu() callback,
but also to verify a user specified MTU on a new link creation in the
next patch.
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use ETH_HLEN instead and introduce two new macros: GENEVE_IPV4_HLEN
and GENEVE_IPV6_HLEN that include Ethernet header length, corresponded
IP header length and GENEVE_BASE_HLEN.
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Account for operational state when determining port linkup state,
as per Documentation/networking/operstates.txt.
Signed-off-by: George Wilkie <gwilkie@vyatta.att-mail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
GhantaKrishnamurthy MohanKrishna says:
====================
tipc: Confgiuration of MTU for media UDP
Systematic measurements have shown that an emulated MTU of 14k for
UDP bearers is the optimal value for maximal throughput. Accordingly,
the default MTU of UDP bearers is changed to 14k.
We also provide users with a fallback option from this value,
by providing support to configure MTU for UDP bearers. The following
options are introduced which are symmetrical to the design of
confguring link tolerance.
- Configure media with new MTU value, which will take effect on
links going up after the moment it was configured. Alternatively,
the bearer has to be disabled and re-enabled, for existing links to
reflect the configured value.
- Configure bearer with new MTU value, which take effect on
running links dynamically.
Please note:
- User has to change MTU at both endpoints, otherwise the link
will fall back to smallest MTU after a reset.
- Failover from a link with higher MTU to a link with lower MTU
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, we have option to configure MTU of UDP media. The configured
MTU takes effect on the links going up after that moment. I.e, a user
has to reset bearer to have new value applied across its links. This is
confusing and disturbing on a running cluster.
We now introduce the functionality to change the default UDP bearer MTU
in struct tipc_bearer. Additionally, the links are updated dynamically,
without any need for a reset, when bearer value is changed. We leverage
the existing per-link functionality and the design being symetrical to
the confguration of link tolerance.
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In previous commit, we changed the default emulated MTU for UDP bearers
to 14k.
This commit adds the functionality to set/change the default value
by configuring new MTU for UDP media. UDP bearer(s) have to be disabled
and enabled back for the new MTU to take effect.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, all bearers are configured with MTU value same as the
underlying L2 device. However, in case of bearers with media type
UDP, higher throughput is possible with a fixed and higher emulated
MTU value than adapting to the underlying L2 MTU.
In this commit, we introduce a parameter mtu in struct tipc_media
and a default value is set for UDP. A default value of 14k
was determined by experimentation and found to have a higher throughput
than 16k. MTU for UDP bearers are assigned the above set value of
media MTU.
Acked-by: Ying Xue <ying.xue@windriver.com>
Acked-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: GhantaKrishnamurthy MohanKrishna <mohan.krishna.ghanta.krishnamurthy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull s390 fixes and kexec-file-load from Martin Schwidefsky:
"After the common code kexec patches went in via Andrew we can now push
the architecture parts to implement the kexec-file-load system call.
Plus a few more bug fixes and cleanups, this includes an update to the
default configurations"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/signal: cleanup uapi struct sigaction
s390: rename default_defconfig to debug_defconfig
s390: remove gcov defconfig
s390: update defconfig
s390: add support for IBM z14 Model ZR1
s390: remove couple of duplicate includes
s390/boot: remove unused COMPILE_VERSION and ccflags-y
s390/nospec: include cpu.h
s390/decompressor: Ignore file vmlinux.bin.full
s390/kexec_file: add generated files to .gitignore
s390/Kconfig: Move kexec config options to "Processor type and features"
s390/kexec_file: Add ELF loader
s390/kexec_file: Add crash support to image loader
s390/kexec_file: Add image loader
s390/kexec_file: Add kexec_file_load system call
s390/kexec_file: Add purgatory
s390/kexec_file: Prepare setup.h for kexec_file_load
s390/smsgiucv: disable SMSG on module unload
s390/sclp: avoid potential usage of uninitialized value
Added the ndo to gather VF statistics through the PF.
Collect VF statistics via mailbox from VF.
Signed-off-by: Intiyaz Basha <intiyaz.basha@cavium.com>
Signed-off-by: Felix Manlunas <felix.manlunas@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Kunihiko Hayashi says:
====================
ave: fix the activation issues for some UniPhier SoCs
This add the following stuffs to fix the activation issues and satisfy
requirements for AVE ethernet driver implemented on some UniPhier SoCs.
- Add support for additional necessary clocks and resets, because the kernel
is stalled on Pro4 due to lack of them.
- Check whether the SoC supports the specified phy-mode
- Add DT property support indicating system controller that has the feature
for configurating phy-mode including built-in phy on LD11.
v1: https://www.spinics.net/lists/netdev/msg494904.html
Changes since v1:
- Add 'Reviewed-by' lines
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds support for specifying system controller that configures
phy-mode setting.
According to the DT property "phy-mode", it's necessary to configure the
controller, which is used to choose the settings of the MAC suitable,
for example, mdio pin connections, internal clocks, and so on.
Supported phy-modes are SoC-dependent. The driver allows phy-mode to set
"internal" if the SoC has a built-in PHY, and {"mii", "rmii", "rgmii"}
if the SoC supports each mode. So we have to check whether the phy-mode
is valid or not.
This adds the following features for each SoC:
- check whether the SoC supports the specified phy-mode
- configure the controller accroding to phy-mode
The DT property accepts one argument to distinguish them for multiple MAC
instances.
ethernet@65000000 {
...
socionext,syscon-phy-mode = <&soc_glue 0>;
};
ethernet@65200000 {
...
socionext,syscon-phy-mode = <&soc_glue 1>;
};
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add "socionext,syscon-phy-mode" property to specify system controller that
configures the settings about phy-mode.
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the link is becoming up for Pro4 SoC, the kernel is stalled
due to some missing clocks and resets.
The AVE block for Pro4 is connected to the GIO bus in the SoC.
Without its clock/reset, the access to the AVE register makes the
system stall.
In the same way, another MAC clock for Giga-bit Connection and
the PHY clock are also required for Pro4 to activate the Giga-bit feature
and to recognize the PHY.
To satisfy these requirements, this patch adds support for multiple clocks
and resets, and adds the clock-names and reset-names to the binding because
we need to distinguish clock/reset for the AVE main block and the others.
Also, make the resets a required property. Currently, "reset is
optional" relies on that the bootloader or firmware has deasserted
the reset before booting the kernel. Drivers should work without
such expectation.
Fixes: 4c270b55a5 ("net: ethernet: socionext: add AVE ethernet driver")
Suggested-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
mdiobus_register will search for any mdiobus board info registered for
the bus being registered. If found, it will probe devices on the bus.
That device, if for example it is an ethernet switch, may then try to
register an mdio bus. Thus we need to allow recursive calls to
mdiobus_register.
Holding the mdio_board_lock will cause a deadlock during this
recursion. Release the lock and use list_for_each_entry_safe.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 8a138aed4a ("bpf: btf: Add BTF support to libbpf") did not
include stdbool.h, so GCC complained when building samples/bpf/.
In file included from /home/btopel/src/ext/linux/samples/bpf/libbpf.h:6:0,
from /home/btopel/src/ext/linux/samples/bpf/test_lru_dist.c:24:
/home/btopel/src/ext/linux/tools/lib/bpf/bpf.h:105:4: error: unknown type name ‘bool’; did you mean ‘_Bool’?
bool do_log);
^~~~
_Bool
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
When trying to open aggregations on 22000 HW before
traffic had actually passed, the driver will discover
it is missing a queue to aggregate on. In such a case -
allocate a queue.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
There's already an opmode common file for nvm iwl-nvm-parse.c
Move the content of fw/nvm.c to iwl-nvm-parse.c and delete fw/nvm.c.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The sku_capa_band_24GHz_enable and sku_capa_band_52GHz_enable symbols
cause checkpatch to complain whenever we use them. To prevent this,
convert them to all lower case.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Instead of having a boolean for each modifier we need to handle in the
channel maps, create a bitmask with flags that denote each
modification.
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
NVM_GET_INFO API has changed to support indication
of 11ax support.
Signed-off-by: Liad Kaufman <liad.kaufman@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Update rs-fw API to match changes in FW. Specifically, the
TLC_MNG_NOTIF_REQ_CMD command and TLC_MNG_AMSDU_ENABLE_NOTIF
notification are removed, the A-MSDU related info is received from FW
via the TLC_MNG_UPDATE_NOTIF, and the TLC_MNG_CONFIG_CMD uses version
2 of its data structure.
Additionally, constify some arguments in a couple of functions.
Signed-off-by: Naftali Goldstein <naftali.goldstein@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
22000 devices rely on this flag to install the key to the right
queues. For earlier devices we didn't have a key / queue mapping and
the key was sent along with the Tx command for each Tx hence the
problem didn't arise.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Avoid a race where two (or more) commands get the
same index:
1. T1 calls enqueue_hcmd and the local TFD index is assigned to
txq->write_ptr;
2. Context switch 'before incrementing txq->write_ptr';
3. T2 calls enqueue_hcmd and the local TFD index is assigned to
txq->write_ptr;
4. Now the index is set to the same value for both commands of T1 and
T2.
To prevent this from happening, set the local TFD index inside the
critical section (the index is set by global txq write pointer).
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This saves some typing and is overall more readable.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Move all the NVM file handling code to iwl-nvm-parse.c where all this
stuff belongs. This cleans up the MVM specific code and allows easier
reuse by other opmodes if needed.
Signed-off-by: Shaul Triebitz <shaul.triebitz@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
In 22000 devices, aka gen2, the TFS is 256 bytes.
In order to save memory, use shorter TX queue for aux and
mgmt queues, since there isn't much traffic on them.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Op mode will begin tp use varying size of TX queue.
All the infra is in place, allow it.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
As preparation for dynamic queue sizing, add a parameter
of the TX queue size to the dynamic queue allocation op
mode API.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This reverts commit dd05f9aab4.
Shorter TX queues support was added eventually without the
need for the parameters this patch added.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When support for shorter TX queues was introduced, it
didn't include the actual allocation of shorter queue,
which is the main motive for the change.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
These functions are not debugfs functions so they should be in dbg.h
instad in debugfs.h.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
When we enable TSO, we can have a lot of packets in the
operation mode that will be pushed to the transport
no matter what is the queue's fullness state.
To cope with that the transport can buffer those packets
and add them to the ring later when there is more room.
This implementation was missing in the Gen2 devices'
code.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Support the new APIs and activate AMSDU based on the
offloaded TLC decisions.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
The code that sets the correct out-of-channel priority depending on
the scan type was accidentally removed during a rebase. Add it back.
Fixes: c1a7515393 ("iwlwifi: mvm: add adaptive dwell support")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Introduce and use iwl_mvm_cdb_scan_api(), which checks the family.
Most of this will go away once the 22000 firmware supports adaptive
dwell, after which the V6 scan API won't be used, but the V3 scan
*config* API will still need to be distinguished.
In any case, this gets rid of the completely bogus has_new_tx_api()
checks.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Detect low latency and traffic load per band. Add support for
deciding on scan type and timings per band.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Try to detect that the AP is not using aggregation even when there's
enough traffic to make it worthwhile; if this is the case and U-APSD
is enabled then assume the AP is broken (like so many) and doesn't
enable aggregation when U-APSD is used. In this case, disconnect from
the AP and blacklist U-APSD for a potential new connection to it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Phil Elwell