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Refactor kvm_timer_compute_delta() and extract a helper that
compute the delta (in ns) between a given timer and an arbitrary
value.
No functional change expected.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220419182755.601427-5-maz@kernel.org
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kvm_cpu_has_pending_timer() ends up checking all the possible
timers for a wake-up cause. However, we already check for
pending interrupts whenever we try to wake-up a vcpu, including
the timer interrupts.
Obviously, doing the same work twice is once too many. Reduce
this helper to almost nothing, but keep it around, as we are
going to make use of it soon.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20220419182755.601427-4-maz@kernel.org
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Marginally optimise __delay() by using a WFIT/WFET sequence.
It probably is a win if no interrupt fires during the delay.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-11-maz@kernel.org
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Just like we have helpers for WFI and WFE, add the WFxT versions.
Note that the encoding is that reported by objdump, as no currrent
toolchain knows about these instructions yet.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-10-maz@kernel.org
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In order to allow userspace to enjoy WFET, add a new HWCAP that
advertises it when available.
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-9-maz@kernel.org
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Add a Bug section, indicating preferred mailing method for bug reports,
to NFC Subsystem entry.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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rx_callback is a standard mailbox callback mechanism and could cover the
function of proprietary cmdq_task_cb, so use the standard one instead of
the proprietary one. Client has changed to use the standard callback
machanism and sync dma buffer in client driver, so remove the proprietary
callback in cmdq helper.
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Reviewed-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Tested-by: jason-jh.lin <jason-jh.lin@mediatek.com>
Link: https://lore.kernel.org/r/1650102868-26219-1-git-send-email-chunkuang.hu@kernel.org
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>
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The ISS field exposed by ESR_ELx contain two additional subfields
with FEAT_WFxT:
- RN, the register number containing the timeout
- RV, indicating if the register number is valid
Describe these two fields according to the arch spec.
No functional change.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-3-maz@kernel.org
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Starting with FEAT_WFXT in ARMv8.7, the TI field in the ISS
that is reported on a WFx trap is expanded by one bit to
allow the description of WFET and WFIT.
Special care is taken to exclude the WFxT bit from the mask
used to match WFI so that it also matches WFIT when trapped from
EL0.
Reviewed-by: Joey Gouly <joey.gouly@arm.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20220419182755.601427-2-maz@kernel.org
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The value parameter is a single byte, so duplicate it to the 8 byte
range that is used as the pattern.
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Cc: Sinan Kaya <okaya@kernel.org>
Link: https://lore.kernel.org/r/20220301182551.883474-5-benjamin.walker@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The value passed in to .prep_dma_memset is to be treated as a single
byte repeating pattern.
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220301182551.883474-4-benjamin.walker@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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The value passed in to .prep_dma_memset is to be treated as a single
byte repeating pattern.
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Cc: Ludovic Desroches <ludovic.desroches@microchip.com>
Cc: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20220301182551.883474-3-benjamin.walker@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document this function to make clear the expected behavior of the
'value' parameter. It was intended to match the behavior of POSIX memset
as laid out here:
https://lore.kernel.org/dmaengine/YejrA5ZWZ3lTRO%2F1@matsya/
Signed-off-by: Ben Walker <benjamin.walker@intel.com>
Link: https://lore.kernel.org/r/20220301182551.883474-2-benjamin.walker@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Move the calling of request_irq() and other related irq setup code until
after the WQ is successfully enabled. This reduces the amount of
setup/teardown if the wq is not configured correctly and cannot be enabled.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164642777730.179702.1880317757087484299.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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If the device shows up as read-only configuration, skip the clearing of the
state as the context must be preserved for device re-enable after being
disabled.
Fixes: 0dcfe41e9a4c ("dmanegine: idxd: cleanup all device related bits after disabling device")
Reported-by: Tony Zhu <tony.zhu@intel.com>
Tested-by: Tony Zhu <tony.zhu@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971479479.2200566.13980022473526292759.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Block wq_max_transfer_size_store() when the device is configured as
read-only and not configurable.
Fixes: d7aad5550eca ("dmaengine: idxd: add support for configurable max wq xfer size")
Reported-by: Bernice Zhang <bernice.zhang@intel.com>
Tested-by: Bernice Zhang <bernice.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971488154.2200913.10706665404118545941.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Block wq_max_batch_size_store() when the device is configured as read-only
and not configurable.
Fixes: e7184b159dd3 ("dmaengine: idxd: add support for configurable max wq batch size")
Reported-by: Bernice Zhang <bernice.zhang@intel.com>
Tested-by: Bernice Zhang <bernice.zhang@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971493551.2201159.1942042593642155209.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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When retries is compared to wq->enqcmds_retries each loop of idxd_enqcmds(),
wq->enqcmds_retries can potentially changed by user. Assign the value
of retries to wq->enqcmds_retries during initialization so it is the
original value set when entering the function.
Fixes: 7930d8553575 ("dmaengine: idxd: add knob for enqcmds retries")
Suggested-by: Dave Hansen <dave.hansen@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/165031760154.3658664.1983547716619266558.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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wq->enqcmds_retries is defined as unsigned int. However, retries on the
stack is defined as int. Change retries to unsigned int to compare the same
type.
Fixes: 7930d8553575 ("dmaengine: idxd: add knob for enqcmds retries")
Suggested-by: Thiago Macieira <thiago.macieira@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/165031747059.3658198.6035308204505664375.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Eliminate the follow smatch warning:
drivers/dma/dw-edma/dw-edma-v0-core.c:419 dw_edma_v0_core_start() warn:
inconsistent indenting.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220413023442.18856-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Eliminate the follow versioncheck warning:
./drivers/dma/tegra186-gpc-dma.c: 21 linux/version.h not needed.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Link: https://lore.kernel.org/r/20220413083842.69845-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Looks like I forgot to add DMA_INTERRUPT cap setting to the idxd driver and
dmatest is still working regardless of this mistake. Add an explicit check
of DMA_INTERRUPT capability for dmatest to make sure the DMA device being used
actually supports interrupt before the test is launched and also that the
driver is programmed correctly.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164978679251.2361020.5856734256126725993.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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This fixes the following sparse warnings:
drivers/dma/mediatek/mtk-hsdma.c:604:26: warning: Using plain integer
as NULL pointer
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Link: https://lore.kernel.org/r/1649750340-30777-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Unneeded variable: "retval". Return "NULL" , so we have to make code clear.
better way, drop the function.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Link: https://lore.kernel.org/r/1649726180-13133-1-git-send-email-baihaowen@meizu.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Load the max_xfer_size and max_batch_size values from the values read from
registers to the shadow variables. This will allow the read-only device to
display the correct values for the sysfs attributes.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971507673.2201761.11244446608988838897.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Even though idxd driver has always supported interrupt, it never actually
set the DMA_INTERRUPT cap bit. Rectify this mistake so the interrupt
capability is advertised.
Reported-by: Ben Walker <benjamin.walker@intel.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/164971497859.2201379.17925303210723708961.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Set the maximum segment size, since the hardware can do transfers larger
than the default 64 KiB returned by dma_get_max_seg_size().
The maximum segment size is limited by the 24-bit transfer count field
in DMA descriptors. The number of bytes is equal to the transfer count
times the transfer size unit, which is selected by the driver based on
the DMA buffer address and length of the transfer. The size unit can be
as small as 1 byte, so set the maximum segment size to 2^24-1 bytes to
ensure the transfer count will not overflow regardless of the size unit
selected by the driver.
Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@gmail.com>
Link: https://lore.kernel.org/r/20220411153618.49876-1-aidanmacdonald.0x0@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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From inspection I found a couple of GPIO lookups that are
listed with device "gpio-pxa", but actually have a number
from a different gpio controller.
Try to rectify that here, with a guess of what the actual
device name is.
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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The palmld header is almost unused in drivers, the only
remaining thing now is the PATA device address, which should
really be passed as a resource.
Cc: linux-ide@vger.kernel.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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If the DMA_PREP_INTERRUPT flag is not provided, run in polled mode,
which significantly improves IOPS: more than twice on chunks < 4K.
Signed-off-by: Ilya Novikov <i.m.novikov@yadro.com>
Link: https://lore.kernel.org/r/20220413113733.59041-1-i.m.novikov@yadro.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Document the compatible for GPI DMA controller on SC7280 SoC
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220414064216.1182177-1-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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It is unnecessary to call spin_lock_bh() if you are already in a tasklet.
Signed-off-by: Yunbo Yu <yuyunbo519@gmail.com>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Link: https://lore.kernel.org/r/20220418142021.1241558-1-yuyunbo519@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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MCDMA IP provides up to 16 multiple channels of data movement each on
MM2S and S2MM paths. Inline with implementation, in the binding add
description for the channel ID start index and mention that it's fixed
irrespective of the MCDMA IP configuration(number of read/write channels).
Signed-off-by: Radhey Shyam Pandey <radhey.shyam.pandey@xilinx.com>
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1649939061-6675-1-git-send-email-radhey.shyam.pandey@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
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Marc Kleine-Budde says:
====================
pull-request: can-next 2022-04-19
this is a pull request of 17 patches for net-next/master.
The first 2 patches are by me and target the CAN driver
infrastructure. One patch renames a function in the rx_offload helper
the other one updates the CAN bitrate calculation to prefer small bit
rate pre-scalers over larger ones, which is encouraged by the CAN in
Automation.
Kris Bahnsen contributes a patch to fix the links to Technologic
Systems web resources in the sja1000 driver.
Christophe Leroy's patch prepares the mpc5xxx_can driver for upcoming
powerpc header cleanup.
Minghao Chi's patch converts the flexcan driver to use
pm_runtime_resume_and_get().
The next 2 patches target the Xilinx CAN driver. Lukas Bulwahn's patch
fixes an entry in the MAINTAINERS file. A patch by me marks the bit
timing constants as const.
Wolfram Sang's patch documents r8a77961 support on the
renesas,rcar-canfd bindings document.
The next 2 patches are by me and add support for the mcp251863 chip to
the mcp251xfd driver.
The last 7 patches are by Pavel Pisa, Martin Jerabek et al. and add
the ctucanfd driver for the CTU CAN FD IP Core.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The init_systime() may be invoked in atomic state. We have observed the
following call trace when running "phc_ctl /dev/ptp0 set" on a Intel
Agilex board.
BUG: sleeping function called from invalid context at drivers/net/ethernet/stmicro/stmmac/stmmac_hwtstamp.c:74
in_atomic(): 1, irqs_disabled(): 128, non_block: 0, pid: 381, name: phc_ctl
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
Preemption disabled at:
[<ffff80000892ef78>] stmmac_set_time+0x34/0x8c
CPU: 2 PID: 381 Comm: phc_ctl Not tainted 5.18.0-rc2-next-20220414-yocto-standard+ #567
Hardware name: SoCFPGA Agilex SoCDK (DT)
Call trace:
dump_backtrace.part.0+0xc4/0xd0
show_stack+0x24/0x40
dump_stack_lvl+0x7c/0xa0
dump_stack+0x18/0x34
__might_resched+0x154/0x1c0
__might_sleep+0x58/0x90
init_systime+0x78/0x120
stmmac_set_time+0x64/0x8c
ptp_clock_settime+0x60/0x9c
pc_clock_settime+0x6c/0xc0
__arm64_sys_clock_settime+0x88/0xf0
invoke_syscall+0x5c/0x130
el0_svc_common.constprop.0+0x4c/0x100
do_el0_svc+0x7c/0xa0
el0_svc+0x58/0xcc
el0t_64_sync_handler+0xa4/0x130
el0t_64_sync+0x18c/0x190
So we should use readl_poll_timeout_atomic() here instead of
readl_poll_timeout().
Also adjust the delay time to 10us to fix a "__bad_udelay" build error
reported by "kernel test robot <lkp@intel.com>". I have tested this on
Intel Agilex and NXP S32G boards, there is no delay needed at all.
So the 10us delay should be long enough for most cases.
Fixes: ff8ed737860e ("net: stmmac: use readl_poll_timeout() function in init_systime()")
Signed-off-by: Kevin Hao <haokexin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Boris Sukholitko says:
====================
net/sched: flower: match on the number of vlan tags
Our customers in the fiber telecom world have network configurations
where they would like to control their traffic according to the number
of tags appearing in the packet.
For example, TR247 GPON conformance test suite specification mostly
talks about untagged, single, double tagged packets and gives lax
guidelines on the vlan protocol vs. number of vlan tags.
This is different from the common IT networks where 802.1Q and 802.1ad
protocols are usually describe single and double tagged packet. GPON
configurations that we work with have arbitrary mix the above protocols
and number of vlan tags in the packet.
The following patch series implement number of vlans flower filter. They
add num_of_vlans flower filter as an alternative to vlan ethtype protocol
matching. The end result is that the following command becomes possible:
tc filter add dev eth1 ingress flower \
num_of_vlans 1 vlan_prio 5 action drop
Also, from our logs, we have redirect rules such that:
tc filter add dev $GPON ingress flower num_of_vlans $N \
action mirred egress redirect dev $DEV
where N can range from 0 to 3 and $DEV is the function of $N.
Also there are rules setting skb mark based on the number of vlans:
tc filter add dev $GPON ingress flower num_of_vlans $N vlan_prio \
$P action skbedit mark $M
More about the patch series:
- patches 1-2 remove duplicate code by introducing is_key_vlan
helper.
- patch 3, 4 implement num_of_vlans in the dissector and in the
flower.
- patch 5 uses the num_of_vlans filter to allow further matching on
vlan attributes.
Complementary iproute2 patches are being sent separately.
Thanks,
Boris.
- v4: rebased to the latest net-next
- v3:
- more example commands in patch 3 description (request by Jamal)
- patch 5 description made clearer (thanks to Jiri)
- v2:
- add suitable subject prefixes
- more evolved patch 5 description
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Before this patch the existence of vlan filters was conditional on the vlan
protocol being matched in the tc rule. For example, the following rule:
tc filter add dev eth1 ingress flower vlan_prio 5
was illegal because vlan protocol (e.g. 802.1q) does not appear in the rule.
Remove the above restriction by looking at the num_of_vlans filter to
allow further matching on vlan attributes. The following rule becomes
legal as a result of this commit:
tc filter add dev eth1 ingress flower num_of_vlans 1 vlan_prio 5
because having num_of_vlans==1 implies that the packet is single tagged.
Change is_vlan_key helper to look at the number of vlans in addition to
the vlan ethertype. The outcome of this change is that outer (e.g. vlan_prio)
and inner (e.g. cvlan_prio) tag vlan filters require the number of vlan
tags to be greater then 0 and 1 accordingly.
As a result of is_vlan_key change, the ethertype may be set to 0 when
matching on the number of vlans. Update fl_set_key_vlan to avoid setting
key, mask vlan_tpid for the 0 ethertype.
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These are bookkeeping parts of the new num_of_vlans filter.
Defines, dump, load and set are being done here.
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Our customers in the fiber telecom world have network configurations
where they would like to control their traffic according to the number
of tags appearing in the packet.
For example, TR247 GPON conformance test suite specification mostly
talks about untagged, single, double tagged packets and gives lax
guidelines on the vlan protocol vs. number of vlan tags.
This is different from the common IT networks where 802.1Q and 802.1ad
protocols are usually describe single and double tagged packet. GPON
configurations that we work with have arbitrary mix the above protocols
and number of vlan tags in the packet.
The goal is to make the following TC commands possible:
tc filter add dev eth1 ingress flower \
num_of_vlans 1 vlan_prio 5 action drop
From our logs, we have redirect rules such that:
tc filter add dev $GPON ingress flower num_of_vlans $N \
action mirred egress redirect dev $DEV
where N can range from 0 to 3 and $DEV is the function of $N.
Also there are rules setting skb mark based on the number of vlans:
tc filter add dev $GPON ingress flower num_of_vlans $N vlan_prio \
$P action skbedit mark $M
This new dissector allows extracting the number of vlan tags existing in
the packet.
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Whitespace only.
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are somewhat repetitive ethertype checks in fl_set_key. Refactor
them into is_vlan_key helper function.
To make the changes clearer, avoid touching identation levels. This is
the job for the next patch in the series.
Signed-off-by: Boris Sukholitko <boris.sukholitko@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use kzalloc rather than duplicating its implementation, which
makes code simple and easy to understand.
Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is no need to add new compatible strings for each new supported
chip version. The compatible string is used only to select the subdriver
(rtl8365mb.c or rtl8366rb.c). Once in the subdriver, it will detect the
chip model by itself, ignoring which compatible string was used.
Link: https://lore.kernel.org/netdev/20220414014055.m4wbmr7tdz6hsa3m@bang-olufsen.dk/
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Compatible strings are used to help the driver find the chip ID/version
register for each chip family. After that, the driver can setup the
switch accordingly. Keep only the first supported model for each family
as a compatible string and reference other chip models in the
description.
The removed compatible strings have never been used in a released kernel.
CC: devicetree@vger.kernel.org
Link: https://lore.kernel.org/netdev/20220414014055.m4wbmr7tdz6hsa3m@bang-olufsen.dk/
Signed-off-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PIN_CFG_* capabilities are always listed in the order they are
defined, except in the "TMS/SWDIO" pin definition.
Fix the order, to increase uniformity.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/f9b18be9e5402531d058bd2479b4881377f9b8b6.1649857772.git.geert+renesas@glider.be
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The last __init annotations were removed from these source files almost
one decade ago.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/fb71c409ea3ad76163496e305dc955ca8e84416d.1649681741.git.geert+renesas@glider.be
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GPIO (PINCTRL) block is identical on Renesas RZ/G2L, RZ/G2UL and RZ/V2L
SoC's, so instead of selecting PINCTRL_RZG2L config for each SoC select
PINCTRL_RZG2L config option if ARCH_RZG2L is enabled. The ARCH_RZG2L
config option is already selected by ARCH_R9A07G043, ARCH_R9A07G044 and
ARCH_R9A07G054.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220406075318.14385-1-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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RZ/G2UL SoC has fewer pins compared to RZ/G2L and the port pin
definitions are different compared to RZ/G2L.
This patch adds a new compatible to take care of these differences by
adding r9a07g043_data with r9a07g043_gpio_configs and
rzg2l_dedicated_pins.common.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Link: https://lore.kernel.org/r/20220401180230.19950-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
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Add pins, groups, and functions for the SPI Multi I/O Bus Controller
(RPC-IF) to the R8A77995 PFC driver. They are to be used when a QSPI
Flash, Octal-SPI Flash, or HyperFlash is connected.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/19a3bccd0ec830846578a38b4c80dccb195109a0.1648547080.git.geert+renesas@glider.be
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Add pins, groups, and functions for the SPI Multi I/O Bus Controller
(RPC-IF) to the R8A77990 PFC driver. They are to be used when an
Octal-SPI Flash or HyperFlash is connected.
Redefine the QSPI[01] pin groups using the RPC DQ[0:7] pin data, to save
memory.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ec9735bb3468225e04ac6cb95e11a0e237b2b9ed.1648547080.git.geert+renesas@glider.be
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Marc Zyngier
Krzysztof Kozlowski
Chun-Kuang Hu
Ben Walker
Dave Jiang
Jiapeng Chong
Haowen Bai
Aidan MacDonald
Arnd Bergmann
Ilya Novikov
Vinod Koul
Yunbo Yu
Radhey Shyam Pandey
David S. Miller
Kevin Hao
Boris Sukholitko
Luiz Angelo Daros de Luca
Geert Uytterhoeven
Lad Prabhakar
Biju Das