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The ixp4xx_hss driver needs the platform data definition and the
system clock rate to be compiled. Move both into a new platform_data
header file.
This is a prerequisite for compile testing, but turning on compile
testing requires further patches to isolate the SoC headers.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Change the driver to use portable integer types to avoid
warnings during compile testing:
drivers/net/wan/ixp4xx_hss.c:863:21: error: cast to 'u32 *' (aka 'unsigned int *') from smaller integer type 'int' [-Werror,-Wint-to-pointer-cast]
memcpy_swab32(mem, (u32 *)((int)skb->data & ~3), bytes / 4);
^
drivers/net/wan/ixp4xx_hss.c:979:12: error: incompatible pointer types passing 'u32 *' (aka 'unsigned int *') to parameter of type 'dma_addr_t *' (aka 'unsigned long long *') [-Werror,-Wincompatible-pointer-types]
&port->desc_tab_phys)))
^~~~~~~~~~~~~~~~~~~~
include/linux/dmapool.h:27:20: note: passing argument to parameter 'handle' here
dma_addr_t *handle);
^
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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On modern hardware with a large number of cpus and using XDP,
the current MSIX limit is insufficient. Bump the limit in
order to allow more queues.
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Huazhong Tan says:
====================
net: hns3: add some misc update about reset issue
This series includes some misc update relating to reset issue.
[patch 1/7] & [patch 2/7] splits hclge_reset()/hclgevf_reset()
into two parts: preparing and rebuilding. Since the procedure
of FLR should be separated out from the reset task([patch 3/7 &
patch 3/7]), then the FLR's processing can reuse these codes.
pci_error_handlers.reset_prepare() is void type function, so
[patch 6/7] & [patch 7/7] factor some codes related to PF
function reset to make the preparing done before .reset_prepare()
return.
BTW, [patch 5/7] enlarges the waiting time of reset for matching
the hardware's.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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hclge_reset_prepare_down() is only used to inform VF that PF is
going to do function reset, then using hclge_func_reset_sync_vf()
in hclge_reset_prepare_wait() to query whether VF is ready before
asserting PF function reset. To make the code more readable,
this patch uses a new function hclge_function_reset_notify_vf()
to do this job.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When synchronizes with VFs fail before PF function reset,
PF driver should go on its function reset, otherwise it
can not run normally anymore. So, hclge_func_reset_sync_vf()
should not affect the processing of PF reset, this patch
modifies its return type to void.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When the load of firmware is high, its reset task may takes
more time(which will be as long as 35 seconds). So this
patch modifies HCLGE_RESET_WAIT_CNT to match the firmware's.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the actual work of VF FLR is handled in the reset task,
which is asynchronous. So in some case, if the preparing and
rebuilding are not done, then the VF FLR will trigger some problems,
for example, makes hardware go into chaos.
So this patch separates the process of VF FLR from reset task, and
adds a semaphore to serialize this reset and others.
When FLR's preparing fails, if there has other higher level reset
pending or failing times less than the HCLGE_FLR_RETRY_CNT, this
preparing should be retried, otherwise it will get into a wrong state.
BTW, while the hardware reports misc interrupt during pcie_flr(),
the driver can not receive this interrupt anymore, so disable it
when hclgevf_flr_prepare() return, and re-enable it when enter
hclgevf_flr_done().
Avoid declaring internal function hclgevf_enable_vector(), this patch
also moves its definition forward, and removes unused enum
hnae3_flr_state.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the actual work of PF FLR is handled in the reset task,
which is asynchronous. So in some case, if the preparing and
rebuilding are not done, then the PF FLR will trigger some problems,
for example, makes hardware go into chaos.
So this patch separates the process of PF FLR from reset task, and
adds a semaphore to serialize this reset and others.
When FLR's preparing fails, if there has other higher level reset
pending or failing times less than the HCLGE_FLR_RETRY_CNT, this
preparing should be retried, otherwise PF and its VF may get into
wrong state.
BTW, while the hardware reports misc interrupt during pcie_flr(),
the driver can not receive this interrupt anymore, so disable it
when hclge_flr_prepare() return, and re-enable it when enter
hclge_flr_done().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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hclgevf_reset() is a little bloated, and the process of VF FLR will
be separated from the reset task later. So this patch splits
hclgevf_reset() into hclgevf_reset_prepare() and hclge_reset_rebuild(),
then FLR can also reuse these two functions. Also moves HNAE3_UP_CLIENT
into hclgevf_reset_stack().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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hclge_reset() is a little bloated, and the process of PF FLR will
be separated from the reset task later. So this patch splits
hclge_reset() into hclge_reset_prepare() and hclge_reset_rebuild(),
then FLR can also reuse these two functions.
BTW, since hclge_clear_reset_cause() and hclge_reset_prepare_up()
will not affect the device, so in hclge_reset_rebuild(), these
functions are called without rtnl_lock.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/sfc/mcdi_functions.c: In function 'efx_mcdi_ev_init':
drivers/net/ethernet/sfc/mcdi_functions.c:79:28: warning:
variable 'nic_data' set but not used [-Wunused-but-set-variable]
commit 4438b587fe4b ("sfc: move MCDI event queue management code")
introduces this unused variable.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove duplicated include.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When running in XDP mode, pages come from the page pool, and should
be freed back to the same pool or specifically detached. Currently,
when the driver re-initializes, the page pool destruction is delayed
forever since it thinks there are oustanding pages.
Fixes: 322b87ca55f2 ("bnxt_en: add page_pool support")
Signed-off-by: Jonathan Lemon <jonathan.lemon@gmail.com>
Reviewed-by: Andy Gospodarek <gospo@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jacob Keller says:
====================
devlink documentation refactor
This series updates the devlink documentation, with a few primary goals
* move all of the devlink documentation into a dedicated subfolder
* convert that documentation to the reStructuredText format
* merge driver-specific documentations into a single file per driver
* add missing documentation, including per-driver and devlink generally
For each driver, I took the time to review the code and add further
documentation on the various features it currently supports. Additionally, I
added new documentation files for some of the features such as
devlink-dpipe, devlink-resource, and devlink-regions.
Note for the region snapshot triggering, I kept that as a separate patch as
that is based on work that has not yet been merged to net-next, and may
change.
I also improved the existing documentation for devlink-info and
devlink-param by adding a bit more of an introduction when converting it to
the rst format.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that devlink regions can be triggered via
DEVLINK_CMD_REGION_TRIGGER, document this in the devlink-region.rst
file.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Primarily based on the DPIPE netdev conference paper, introduce a new
file to document the dpipe interface.
This likely needs further improvement, but is at least a good overall
start.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Take the little bit of documentation for resources from various commit
messages and combine it into a new devlink-resource.rst file.
This could probably be expanded on even further by someone with more
knowledge of how the devlink resources work.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the trap-specific netdevimsim.rst file, and expand it to include
documentation of all the devlink features currently implemented by the
netdevsim driver code.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The IONIC device driver allocates a devlink and reports versions. Add
documentation for this driver.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Shannon Nelson <snelson@pensando.io>
Acked-by: Shannon Nelson <snelson@pensandi.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Also document the regions created by the mlx4 driver. This is currently
the only in-tree driver that creates devlink region snapshots.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The qed driver recently added devlink support with a single devlink
parameter. Add a driver-specific file to document the devlink features
that the qed driver supports.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Ariel Elior <aelior@marvell.com>
Cc: GR-everest-linux-l2@marvell.com
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mlx5 and mlxsw drivers have driver-specific documentation for the
devlink features they support. No such file was added for mlx4.
Add a file to document the mlx4 devlink support. Initially it contains
only the devlink parameters.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the set of info versions reported by each device driver, including
a description of what the version represents, and what modes (fixed,
running, stored) it reports.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several drivers document what parameters they support in
a devlink-params-*.txt file. This file is supposed to contain both the
list of generic parameters implemented by the driver, as well as a list
of driver-specific parameters and their descriptions.
It would also be good if the driver documentation included other
driver-specific implementations, such as info versions, devlink
regions, and so forth.
Convert all of these documentation files to reStructuredText, and rename
them to just the driver name. Future changes will include other
driver-specific implementations. Each file will contain a table for the
generic parameters implemented, as well as a separate table for the
driver-specific parameters.
Future sections such as for devlink info versions will be added to these
files. This avoids creating additional devlink-<feature>-<driver> files
for each devlink feature, reducing clutter in the documentation folder.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Cc: Saeed Mahameed <saeedm@mellanox.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Vivien Didelot <vivien.didelot@gmail.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Ido Schimmel <idosch@mellanox.com>
Cc: Jakub Kicinski <jakub.kicinski@netronome.com>
Cc: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Mention that drivers must support devlink-reload in order for driverinit
parameters to function properly
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A few generic devlink parameters have been added, but never documented.
Fix that now.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert the generic parameters descriptions into the reStructuredText
format.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the devlink-info-versions.rst file to a plain devlink-info.rst
file. Add additional paragraphs explaining what devlink-info is for,
and the expectation that drivers use the generic names where plausible.
Note that drivers which use non-standard info version names ought to
document these in a driver-specific info-versions.rst file.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update the devlink-health documentation to use the newer
ReStructuredText format.
Note that it's unclear what OOB stood for, and it has been left as-is
without a proper first-use expansion of the acronym.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Combine the documentation for devlink into a subfolder, and provide an
index.rst file that can be used to generally describe devlink.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "fw.psid" devlink info version is documented in devlink-info.rst,
and used by one driver. However, there is no associated macro for this
firmware version like there is for others. Add one now.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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'r8169-factor-out-chip-specific-PHY-configuration-to-a-separate-source-file'
Heiner Kallweit says:
====================
r8169: factor out chip-specific PHY configuration to a separate source file
Basically every chip version needs its own PHY configuration.
To improve maintainability of the driver move all these PHY
configurations to a separate source file. To allow this we first have
to change all PHY configurations to use phylib functions wherever
possible.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move chip-specific PHY configurations to separate source file
r8169_phy_config.c. This improves maintainability of the driver.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation of factoring out PHY configuration to a separate source
file move commonly used definitions to new header file r8169.h.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename rtl_apply_firmware() to r8169_apply_firmware() before exporting
it to avoid namespace clashes with other drivers for Realtek hardware.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pass the phy_device as parameter to rtl8168d_apply_firmware_cond(),
this avoids having to access rtl8169_private internals.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace rtl_writephy and rtl_readphy with the respective phylib
functions.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace rtl_w0w1_phy with phylib functions.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace rtl_patchphy with phylib functions.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move configuring EEE on MAC side out of the PHY configuration.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Writing this ERI register is a MAC setting, so move it to
rtl_hw_start_8106().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Switch rtl_writephy_batch() to phylib functions, as a result we can
avoid passing a rtl8169_private parameter.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions use only the phy_device member of rtl8169_private,
so we can pass the phy_device as parameter directly.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These functions use only the phy_device member of rtl8169_private,
so we can pass the phy_device as parameter directly.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation of factoring out rtl8169scd_hw_phy_config() move this
quirk to rtl8169_init_phy().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove a useless debug statement. This also allows to remove the
net_device parameter from rtl8169_init_phy().
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preperation of factoring out the PHY configuration to a separate
source file this patch:
- avoids accessing rtl8169_private internals by passing the phy_device
and mac_version as separate parameters
- renames rtl_hw_phy_config to r8169_hw_phy_config to avoid namespace
clashes with other drivers for Realtek hardware
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jose Abreu says:
====================
net: stmmac: Frame Preemption fixes
Two single fixes for the -next tree for recently introduced Frame Preemption
feature.
1) and 2) fixes the disabling of Frame Preemption that was not being correctly
handled because of a missing return.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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If FPE is supposed to be disabled we need to return after disabling it.
Fixes: 7c7282746883 ("net: stmmac: gmac5+: Add support for Frame Preemption")
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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