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This binding file doesn't belong to the rtc seeing it's a pure timer
with no rtc facilities like days/months/years counting and alarms.
So move the YAML-file to the Documentation/devicetree/bindings/timer/
directory.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200521204818.25436-3-Sergey.Semin@baikalelectronics.ru
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Modern device tree bindings are supposed to be created as YAML-files
in accordance with DT schema. This commit replaces Synopsys DW Timer
legacy bare text binding with YAML file. As before the binding file
states that the corresponding dts node is supposed to be compatible
with generic DW APB Timer indicated by the "snps,dw-apb-timer"
compatible string and to provide a mandatory registers memory range,
one timer interrupt, either reference clock source or a fixed clock
rate value. It may also have an optional APB bus reference clock
phandle specified.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Rob Herring <robh@kernel.org>
Cc: Alexey Malahov <Alexey.Malahov@baikalelectronics.ru>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Paul Burton <paulburton@kernel.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-mips@vger.kernel.org
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200521204818.25436-2-Sergey.Semin@baikalelectronics.ru
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omap_dm_timer_prepare() is setting up the parent 32KHz clock. This
prepare() gets called by request_timer in the client's driver. Because of
this, the timer clock parent that is set with assigned-clock-parent is being
overwritten. So drop this default setting of parent in prepare().
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Suman Anna <s-anna@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200427172831.16546-1-lokeshvutla@ti.com
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git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into timers/drivers/next
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There is a spelling mistake in a pr_err message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200519224428.6195-1-colin.king@canonical.com
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We can get a warning for dmtimer_clocksource_init() with 'pa' set but
not used. This was used in the earlier revisions of the code but no
longer needed, so let's remove the unused pa and of_translate_address().
Let's also do it for dmtimer_clockevent_init() that has a similar issue.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200519155157.12804-1-tony@atomide.com
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We can move the TI dmtimer clockevent and clocksource to live under
drivers/clocksource if we rely only on the clock framework, and handle
the module configuration directly in the clocksource driver based on the
device tree data.
This removes the early dependency with system timers to the interconnect
related code, and we can probe pretty much everything else later on at
the module_init level.
Let's first add a new driver for timer-ti-dm-systimer based on existing
arch/arm/mach-omap2/timer.c. Then let's start moving SoCs to probe with
device tree data while still keeping the old timer.c. And eventually we
can just drop the old timer.c.
Let's take the opportunity to switch to use readl/writel as pointed out
by Daniel Lezcano <daniel.lezcano@linaro.org>. This allows further
clean-up of the timer-ti-dm code the a lot of the shared helpers can
just become static to the non-syster related code.
Note the boards can optionally configure different timer source clocks
if needed with assigned-clocks and assigned-clock-parents.
Cc: linux-kernel@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200507172330.18679-3-tony@atomide.com
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Let's allow probing the 32k counter directly based on devicetree data to
prepare for dropping the related legacy platform code. Let's only do this
if the parent node is compatible with ti-sysc to make sure we have the
related devicetree data available.
Let's also show the 32k counter information before registering the
clocksource, now we see it after the clocksource information which is a
bit confusing.
Cc: linux-kernel@vger.kernel.org
Cc: linux-omap@vger.kernel.org
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Keerthy <j-keerthy@ti.com>
Cc: Lokesh Vutla <lokeshvutla@ti.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Tero Kristo <t-kristo@ti.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200507172330.18679-2-tony@atomide.com
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The function acpi_gtdt_init() prints a message in case of
error. Remove the error message after testing if the function fails,
otherwise it is a duplicate message.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200429153559.21189-1-zhengdejin5@gmail.com
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The function arc_get_timer_clk() prints an error message if it fails,
remove the second error message if the function fails.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200429151223.3120-1-zhengdejin5@gmail.com
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Since commit 2f8a26c166eb ("clocksource: Improve GENERIC_CLOCKEVENTS
dependency") all clocksource drivers depend on GENERIC_CLOCKEVENTS so
drop the redundant attribute from the RDA-timer entry which was added
later.
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200513122548.16974-1-johan@kernel.org
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Daniel Borkmann says:
====================
pull-request: bpf 2020-05-22
The following pull-request contains BPF updates for your *net* tree.
We've added 3 non-merge commits during the last 3 day(s) which contain
a total of 5 files changed, 69 insertions(+), 11 deletions(-).
The main changes are:
1) Fix to reject mmap()'ing read-only array maps as writable since BPF verifier
relies on such map content to be frozen, from Andrii Nakryiko.
2) Fix breaking audit from secid_to_secctx() LSM hook by avoiding to use
call_int_hook() since this hook is not stackable, from KP Singh.
3) Fix BPF flow dissector program ref leak on netns cleanup, from Jakub Sitnicki.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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8-byte access in __get_user_size converts pointer to temporary variable
to the type of original user pointer and then dereferences it, resulting
in the following sparse warning:
sparse: warning: dereference of noderef expression
Instead dereference the original user pointer under the __typeof__ and
add indirection outside.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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__get_user_check and __put_user_check use temporary pointer but don't
mark it as __user, resulting in sparse warnings:
sparse: warning: incorrect type in initializer (different address spaces)
sparse: expected long *__pu_addr
sparse: got long [noderef] <asn:1> *ret
sparse: warning: incorrect type in argument 1 (different address spaces)
sparse: expected void [noderef] <asn:1> *to
sparse: got long *__pu_addr
Add __user annotation to temporary pointer in __get_user_check and
__put_user_check.
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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The caller of devm_ioremap_resource(), either accidentally
or by wrong assumption, is writing back derived resource data
to global static resource initialization tables that should
have been constant. Meaning that after it computes the final
physical start address it saves the address for no reason
in the static tables. This doesn't affect the first driver
probing after reboot, but it breaks consecutive driver reloads
(i.e. driver unbind & bind) because the initialization tables
no longer have the correct initial values. So the next probe()
will map the device registers to wrong physical addresses,
causing ARM SError async exceptions.
This patch fixes all of the above.
Fixes: 56051948773e ("net: dsa: ocelot: add driver for Felix switch family")
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is some ambiguity in the RFC as to whether the ADD_ADDR HMAC is
the rightmost 64 bits of the entire hash or of the leftmost 160 bits
of the hash. The intention, as clarified with the author of the RFC,
is the entire hash.
This change returns the entire hash from
mptcp_crypto_hmac_sha (instead of only the first 160 bits), and moves
any truncation/selection operation on the hash to the caller.
Fixes: 12555a2d97e5 ("mptcp: use rightmost 64 bits in ADD_ADDR HMAC")
Reviewed-by: Christoph Paasch <cpaasch@apple.com>
Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Todd Malsbary <todd.malsbary@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bartosz Golaszewski says:
====================
mediatek: add support for MediaTek Ethernet MAC
This series adds support for the STAR Ethernet Controller present on MediaTeK
SoCs from the MT8* family.
First we convert the existing DT bindings for the PERICFG controller to YAML
and add a new compatible string for mt8516 variant of it. Then we add the DT
bindings for the MAC.
Next we do some cleanup of the mediatek ethernet drivers directory.
The largest patch in the series adds the actual new driver.
The rest of the patches add DT fixups for the boards already supported
upstream.
v1 -> v2:
- add a generic helper for retrieving the net_device associated with given
private data
- fix several typos in commit messages
- remove MTK_MAC_VERSION and don't set the driver version
- use NET_IP_ALIGN instead of a magic number (2) but redefine it as it defaults
to 0 on arm64
- don't manually turn the carrier off in mtk_mac_enable()
- process TX cleanup in napi poll callback
- configure pause in the adjust_link callback
- use regmap_read_poll_timeout() instead of handcoding the polling
- use devres_find() to verify that struct net_device is managed by devres in
devm_register_netdev()
- add a patch moving all networking devres helpers into net/devres.c
- tweak the dma barriers: remove where unnecessary and add comments to the
remaining barriers
- don't reset internal counters when enabling the NIC
- set the net_device's mtu size instead of checking the framesize in
ndo_start_xmit() callback
- fix a race condition in waking up the netif queue
- don't emit log messages on OOM errors
- use dma_set_mask_and_coherent()
- use eth_hw_addr_random()
- rework the receive callback so that we reuse the previous skb if unmapping
fails, like we already do if skb allocation fails
- rework hash table operations: add proper timeout handling and clear bits when
appropriate
v2 -> v3:
- drop the patch adding priv_to_netdev() and store the netdev pointer in the
driver private data
- add an additional dma_wmb() after reseting the descriptor in
mtk_mac_ring_pop_tail()
- check the return value of dma_set_mask_and_coherent()
- improve the DT bindings for mtk-eth-mac: make the reg property in the example
use single-cell address and size, extend the description of the PERICFG
phandle and document the mdio sub-node
- add a patch converting the old .txt bindings for PERICFG to yaml
- limit reading the DMA memory by storing the mapped addresses in the driver
private structure
- add a patch documenting the existing networking devres helpers
v3 -> v4:
- drop the devres patches: they will be sent separately
- call netdev_sent_queue() & netdev_completed_queue() where appropriate
- don't redefine NET_IP_ALIGN: define a private constant in the driver
- fix a couple typos
- only disabe/enable the MAC in suspend/resume if netif is running
- drop the count field from the ring structure and instead calculate the number
of used descriptors from the tail and head indicies
- rework the locking used to protect the ring structures from concurrent
access: use cheaper spin_lock_bh() and completely disable the internal
spinlock used by regmap
- rework the interrupt handling to make it more fine-grained: onle re-enable
TX and RX interrupts while they're needed, process the stats updates in a
workqueue, not in napi context
- shrink the code responsible for unmapping and freeing skb memory
- rework the barriers as advised by Arnd
v4 -> v5:
- rename the driver to make it less confusing with the existing mtk_eth_soc
ethernet driver
- unregister the mdiobus at device's detachment
- open-code spin lock calls to avoid calling the _bh variants where unnecessary
- limit read-modify-write operations where possible when accessing descriptor
memory
- use READ_ONCE/WRITE_ONCE when modifying the status and data_ptr descriptor
fields
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add remaining properties to the ethernet node and enable it.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Setup the pin control for the Ethernet MAC.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the ethernet0 alias for ethernet so that u-boot can find this node
and fill in the MAC address.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the Ethernet MAC node to mt8516.dtsi. This defines parameters common
to all the boards based on this SoC.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds support for the PERICFG register range as a syscon. This will
soon be used by the MediaTek Ethernet MAC driver for NIC configuration.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds the driver for the MediaTek STAR Ethernet MAC currently used
on the MT8* SoC family. For now we only support full-duplex.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The Makefile formatting in the kernel tree usually doesn't use tabs,
so remove them before we add a second driver.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We'll soon by adding a second MediaTek Ethernet driver so modify the
Kconfig prompt.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds yaml DT bindings for the MediaTek STAR Ethernet MAC present
on the mt8* family of SoCs.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The PERICFG controller is present on the MT8516 SoC. Add an appropriate
compatible variant.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert the DT binding .txt file for MediaTek's peripheral configuration
controller to YAML. There's one special case where the compatible has
three positions. Otherwise, it's a pretty normal syscon.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski says:
====================
ENA features and cosmetic changes
Diff from V1 of this patchset:
Removed error prints patch
This patchset includes:
1. new rx offset feature
2. reduction of the driver load time
3. multiple cosmetic changes to the code
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This commit reduces the driver load time by using usec resolution
instead of msec when polling for hardware state change.
Also add back-off mechanism to handle cases where minimal sleep
time is not enough.
Signed-off-by: Josh Triplett <josh@joshtriplett.org>
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Use BIT macro instead of shift operator for code clarity
2. Replace multiple flag assignments to a single assignment of multiple
flags in ena_com_add_single_rx_desc()
3. Move ENA_HASH_KEY_SIZE from ena_netdev.h to ena_com.h
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Add leading and trailing spaces to several comments for better
readability
2. Make tabs and spaces uniform in enum defines in ena_admin_defs.h
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Reorder sanity checks in get_comp_ctxt() to make more sense
2. Reorder variables in ena_com_fill_hash_function() and
ena_calc_io_queue_size() in reverse christmas tree.
3. Move around member initializations.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Remove unused definition of DRV_MODULE_VERSION
2. Remove {} from single line-of-code ifs
3. Remove unnecessary comments from ena_get/set_coalesce()
4. Remove unnecessary extra spaces and newlines
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1. Join unnecessarily broken short lines in ena_com.c ena_netdev.c
2. Fix Indentations of broken lines
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fix spelling and grammar mistakes in comments in ena_com.h,
ena_com.c and ena_netdev.c
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make all types of variables that convey the number and sizeof queues to
be u32, for consistency with the API between the driver and device via
ena_admin_defs.h:ena_admin_get_feat_resp.max_queue_ext fields. Current
code sometimes uses int and there are multiple assignments between these
variables with different types.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename ena_update_tx/rx_rings_intr_moderation() to
ena_update_tx/rx_rings_nonadaptive_intr_moderation()
to distinguish between adaptive and non adaptive interrupt moderaion.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initialize prev_intr_delay_resolution with ena_dev->intr_delay_resolution
unconditionally, since it is initialized with
ENA_DEFAULT_INTR_DELAY_RESOLUTION in ena_probe(). This approach makes much
more sense than handling errors of not initializing it.
Also added unlikely to if condition.
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Default return value should be -EINVAL since the input
in this case was unexpected.
Also remove the now redundant check in the beginning
of the function.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use u64 instead of unsigned long long for clarity
Signed-off-by: Shai Brandes <shaibran@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename ena_com_free_desc to ena_com_free_q_entries to match
the LLQ mode.
In non-LLQ mode, an entry in an IO ring corresponds to a
a descriptor. In LLQ mode an entry may correspond to several
descriptors (per LLQ definition).
Signed-off-by: Igor Chauskin <igorch@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Newer ENA devices can write data to rx buffers with an offset
from the beginning of the buffer.
This commit adds support for this feature in the driver.
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Igor Russkikh says:
====================
net: atlantic: QoS implementation
This patch series adds support for mqprio rate limiters and multi-TC:
* max_rate is supported on both A1 and A2;
* min_rate is supported on A2 only;
This is a joint work of Mark and Dmitry.
To implement this feature, a couple of rearrangements and code
improvements were done, in areas of TC/ring management, allocation
control, etc.
One of the problems we faced is conflicting ptp functionality, which
consumes a whole traffic class due to hardware limitations.
Patches below have a more detailed description on how PTP and multi-TC
co-exist right now.
v2:
* accommodated review comments (-Wmissing-prototypes and
-Wunused-but-set-variable findings);
* added user notification in case of conflicting multi-TC<->PTP
configuration;
* added automatic PTP disabling, if a conflicting configuration is
detected;
* removed module param, which was used for PTP disabling in v1;
v1: https://patchwork.ozlabs.org/cover/1294380/
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes an inconsistency between code and spec, which
was found while working on the QoS implementation.
When 8TCs are used, 2 is the maximum supported number of index bits.
In a 4TC mode, we do support 3, but we shouldn't really use the bytes,
which are intended for the 8TC mode.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for mqprio min_rate limiters.
A2 HW supports Weighted Strict Priority (WSP) arbitration for Tx Descriptor
Queue scheduling among TCs, which can be used for min_rate shaping.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes the order of arguments for TC weight/credit setter
functions.
Having the "value to be set" on the right is slightly more robust in
a sense that it's more natural for the humans, so it's a bit more
error-proof this way.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch changes the TC-queue mapping mechanism used on A2.
Configure the A2 HW in such a way that we can keep queue index mapping
exactly as it was on A1.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for automatic queue number downgrade.
On A2: this is a must have, because only TC0/TC1 support more than 4Q.
Other TCs support 4Qs maximum.
Thus, on A2 we must downgrade the number of queues per TC to 4, if more
than 2 TCs are requested.
On A1: this allows using 8TCs even on systems with cpu count >= 8, when
we have 8 queues by default.
We will just automatically switch to 8TCx4Q mode in this case.
Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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