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This is a straight-forward conversion case for the new function, keeping
the flow of the existing code as intact as possible.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is converts xfrm segment iteration to use the new function, keeping
the flow of the existing code as intact as possible. One case is very
straight-forward, whereas the other case has some more subtle code that
likes to peak at ->next and relink skbs. By keeping the variables the
same as before, we can upgrade this code with minimal surgery required.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a straight-forward conversion case for the new function,
iterating over the return value from udp_rcv_segment, which actually is
a wrapper around skb_gso_segment.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This worked before, because we made all callers name their next pointer
"next". But in trying to be more "drop-in" ready, the silliness here is
revealed. This commit fixes the problem by making the macro argument and
the member use different names.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Antoine Tenart says:
====================
net: macsec: initial support for hardware offloading
This series intends to add support for offloading MACsec transformations
to hardware enabled devices. The series adds the necessary
infrastructure for offloading MACsec configurations to hardware drivers,
in patches 1 to 5; then introduces MACsec offloading support in the
Microsemi MSCC PHY driver, in patches 6 to 10.
The series can also be found at:
https://github.com/atenart/linux/tree/net-next/macsec
IProute2 modifications can be found at:
https://github.com/atenart/iproute2/tree/macsec
MACsec hardware offloading infrastructure
-----------------------------------------
Linux has a software implementation of the MACsec standard. There are
hardware engines supporting MACsec operations, such as the Intel ixgbe
NIC and some Microsemi PHYs (the one we use in this series). This means
the MACsec offloading infrastructure should support networking PHY and
MAC drivers. Note that MAC driver preliminary support is part of this
series, but should not be merged before we actually have a provider for
this.
We do intend in this series to re-use the logic, netlink API and data
structures of the existing MACsec software implementation. This allows
not to duplicate definitions and structure storing the same information;
as well as using the same userspace tools to configure both software or
hardware offloaded MACsec flows (with `ip macsec`).
When adding a new MACsec virtual interface the existing logic is kept:
offloading is disabled by default. A user driven configuration choice is
needed to switch to offloading mode (a patch in iproute2 is needed for
this). A single MACsec interface can be offloaded for now, and some
limitations are there: no flow can be moved from one implementation to
the other so the decision needs to be done before configuring the
interface.
MACsec offloading ops are called in 2 steps: a preparation one, and a
commit one. The first step is allowed to fail and should be used to
check if a provided configuration is compatible with a given MACsec
capable hardware. The second step is not allowed to fail and should
only be used to enable a given MACsec configuration.
A limitation as of now is the counters and statistics are not reported
back from the hardware to the software MACsec implementation. This
isn't an issue when using offloaded MACsec transformations, but it
should be added in the future so that the MACsec state can be reported
to the user (which would also improve the debug).
Microsemi PHY MACsec support
----------------------------
In order to add support for the MACsec offloading feature in the
Microsemi MSCC PHY driver, the __phy_read_page and __phy_write_page
helpers had to be exported. This is because the initialization of the
PHY is done while holding the MDIO bus lock, and we need to change the
page to configure the MACsec block.
The support itself is then added in three patches. The first one adds
support for configuring the MACsec block within the PHY, so that it is
up, running and available for future configuration, but is not doing any
modification on the traffic passing through the PHY. The second patch
implements the phy_device MACsec ops in the Microsemi MSCC PHY driver,
and introduce helpers to configure MACsec transformations and flows to
match specific packets. The last one adds support for PN rollover.
Thanks!
Antoine
Since v5:
- Fixed a compilation issue due to an inclusion from an UAPI header.
- Added an EXPORT_SYMBOL_GPL for the PN rollover helper, to fix module
compilation issues.
- Added a dependency for the MSCC driver on MACSEC || MACSEC=n.
- Removed the patches including the MAC offloading support as they are
not to be applied for now.
Since v4:
- Reworked the MACsec read and write functions in the MSCC PHY driver
to remove the conditional locking.
Since v3:
- Fixed a check when enabling offloading that was too restrictive.
- Fixed the propagation of the changelink event to the underlying
device drivers.
Since v2:
- Allow selection the offloading from userspace, defaulting to the
software implementation when adding a new MACsec interface. The
offloading mode is now also reported through netlink.
- Added support for letting MKA packets in and out when using MACsec
(there are rules to let them bypass the MACsec h/w engine within the
PHY).
- Added support for PN rollover (following what's currently done in
the software implementation: the flow is disabled).
- Split patches to remove MAC offloading support for now, as there are
no current provider for this (patches are still included).
- Improved a few parts of the MACsec support within the MSCC PHY
driver (e.g. default rules now block non-MACsec traffic, depending
on the configuration).
- Many cosmetic fixes & small improvements.
Since v1:
- Reworked the MACsec offloading API, moving from a single helper
called for all MACsec configuration operations, to a per-operation
function that is provided by the underlying hardware drivers.
- Those functions now contain a verb to describe the configuration
action they're offloading.
- Improved the error handling in the MACsec genl helpers to revert
the configuration to its previous state when the offloading call
failed.
- Reworked the file inclusions.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for handling MACsec PN rollover in the mscc PHY
driver. When a flow rolls over, an interrupt is fired. This patch adds
the logic to check all flows and identify the one rolling over in the
handle_interrupt PHY helper, then disables the flow and report the event
to the MACsec core.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow to call macsec_pn_wrapped from hardware drivers to notify when a
PN rolls over. Some drivers might used an interrupt to implement this.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds MACsec offloading support to some Microsemi PHYs, to
configure flows and transformations so that matched packets can be
processed by the MACsec engine, either at egress, or at ingress.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for initializing the MACsec engine found within
some Microsemi PHYs. The engine is initialized in a passthrough mode and
does not modify any incoming or outgoing packet. But thanks to this it
now can be configured to perform MACsec transformations on packets,
which will be supported by a future patch.
The MACsec read and write functions are wrapped into two versions: one
called during the init phase, and the other one later on. This is
because the init functions in the Microsemi PHY driver are called while
the MDIO bus lock is taken.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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MACsec offloading to underlying hardware devices is disabled by default
(the software implementation is used). This patch adds support for
changing this setting through the MACsec netlink interface. Many checks
are done when enabling offloading on a given MACsec interface as there
are limitations (it must be supported by the hardware, only a single
interface can be offloaded on a given physical device at a time, rules
can't be moved for now).
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces the MACsec hardware offloading infrastructure.
The main idea here is to re-use the logic and data structures of the
software MACsec implementation. This allows not to duplicate definitions
and structure storing the same kind of information. It also allows to
use a unified genlink interface for both MACsec implementations (so that
the same userspace tool, `ip macsec`, is used with the same arguments).
The MACsec offloading support cannot be disabled if an interface
supports it at the moment.
The MACsec configuration is passed to device drivers supporting it
through macsec_ops which are called from the MACsec genl helpers. Those
functions call the macsec ops of PHY and Ethernet drivers in two steps:
a preparation one, and a commit one. The first step is allowed to fail
and should be used to check if a provided configuration is compatible
with the features provided by a MACsec engine, while the second step is
not allowed to fail and should only be used to enable a given MACsec
configuration. Two extra calls are made: when a virtual MACsec interface
is created and when it is deleted, so that the hardware driver can stay
in sync.
The Rx and TX handlers are modified to take in account the special case
were the MACsec transformation happens in the hardware, whether in a PHY
or in a MAC, as the packets seen by the networking stack on both the
physical and MACsec virtual interface are exactly the same. This leads
to some limitations: the hardware and software implementations can't be
used on the same physical interface, as the policies would be impossible
to fulfill (such as strict validation of the frames). Also only a single
virtual MACsec interface can be offloaded to a physical port supporting
hardware offloading as it would be impossible to guess onto which
interface a given packet should go (for ingress traffic).
Another limitation as of now is that the counters and statistics are not
reported back from the hardware to the software MACsec implementation.
This isn't an issue when using offloaded MACsec transformations, but it
should be added in the future so that the MACsec state can be reported
to the user (which would also improve the debug).
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a reference to MACsec ops in the phy_device, to allow
PHYs to support offloading MACsec operations. The phydev lock will be
held while calling those helpers.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces MACsec ops for drivers to support offloading
MACsec operations.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch introduces the macsec_context structure. It will be used
in the kernel to exchange information between the common MACsec
implementation (macsec.c) and the MACsec hardware offloading
implementations. This structure contains pointers to MACsec specific
structures which contain the actual MACsec configuration, and to the
underlying device (phydev for now).
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch moves some structure, type and identifier definitions into a
MACsec specific header. This patch does not modify how the MACsec code
is running and only move things around. This is a preparation for the
future MACsec hardware offloading support, which will re-use those
definitions outside macsec.c.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Guillaume Nault says:
====================
netns: Optimise netns ID lookups
Netns ID lookups can be easily protected by RCU, rather than by holding
a spinlock.
Patch 1 prepares the code, patch 2 does the RCU conversion, and finally
patch 3 stops disabling BHs on updates (patch 2 makes that unnecessary).
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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When peernet2id() had to lock "nsid_lock" before iterating through the
nsid table, we had to disable BHs, because VXLAN can call peernet2id()
from the xmit path:
vxlan_xmit() -> vxlan_fdb_miss() -> vxlan_fdb_notify()
-> __vxlan_fdb_notify() -> vxlan_fdb_info() -> peernet2id().
Now that peernet2id() uses RCU protection, "nsid_lock" isn't used in BH
context anymore. Therefore, we can safely use plain
spin_lock()/spin_unlock() and let BHs run when holding "nsid_lock".
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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__peernet2id() can be protected by RCU as it only calls idr_for_each(),
which is RCU-safe, and never modifies the nsid table.
rtnl_net_dumpid() can also do lockless lookups. It does two nested
idr_for_each() calls on nsid tables (one direct call and one indirect
call because of rtnl_net_dumpid_one() calling __peernet2id()). The
netnsid tables are never updated. Therefore it is safe to not take the
nsid_lock and run within an RCU-critical section instead.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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__peernet2id_alloc() was used for both plain lookups and for netns ID
allocations (depending the value of '*alloc'). Let's separate lookups
from allocations instead. That is, integrate the lookup code into
__peernet2id() and make peernet2id_alloc() responsible for allocating
new netns IDs when necessary.
This makes it clear that __peernet2id() doesn't modify the idr and
prepares the code for lockless lookups.
Also, mark the 'net' argument of __peernet2id() as 'const', since we're
modifying this line.
Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Convert mdiobus_register_reset() from open-coded DT-only optional reset
handling to reset_control_get_optional_exclusive(). This not only
simplifies the code, but also adds support for lookup-based resets on
non-DT systems.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The information about the PHY attached to the PHYLINK instance is useful
but is missing the IRQ prints that phy_attached_info() adds.
phy_attached_info() is a bit long and it would not be possible to use
phylink_info() anyway.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jose Abreu says:
====================
net: stmmac: ETF support
This series adds the support for ETF scheduler in stmmac.
1) Starts adding the support by implementing Enhanced Descriptors in stmmac
main core. This is needed for ETF feature in XGMAC and QoS cores.
2) Integrates the ETF logic into stmmac TC core.
3) and 4) adds the HW specific support for ETF in XGMAC and QoS cores. The
IP feature is called TBS (Time Based Scheduling).
5) Enables ETF in GMAC5 IPK PCI entry for all Queues except Queue 0.
6) Adds the new TBS feature and even more information into the debugFS
HW features file.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a new test for TBS feature which is used in ETF scheduler. In this
test, we send a packet with a launch time specified as now + 500ms and
check if the packet was transmitted on that time frame.
Changes from v2:
- Use the TBS bitfield
- Remove debug message
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the upcoming commit for TBS selftest we will need to send a packet on
a specific Queue. As stmmac fallsback to netdev_pick_tx() on the select
Queue callback, we need to switch all selftests logic to
dev_direct_xmit() so that we can send the given SKB on a specific Queue.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds more information regarding HW Capabilities in the corresponding
DebugFS file.
Changes from v2:
- Remove the TX/RX queues in use (Jakub)
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Enable TBS support on GMAC5 PCI entry for all Queues except Queue 0.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds all the necessary HW hooks to support TBS feature in QoS cores.
Changes from v1:
- Remove unneeded LT shift as the IP already does this.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds all the necessary HW hooks to support TBS feature in XGMAC cores.
Changes from v1:
- Remove unneeded LT shift as the IP already does this.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds the support for ETF scheduler using TBS feature which is available
in XGMAC and QoS IPs.
Changes from v2:
- Fix checkpatch issues (Jakub)
- Use the TBS bitfield
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Adds the initial hooks for TBS support. This needs a 32 byte descriptor
in order for it to work with current HW. Adds all the logic for Enhanced
Descriptors in main core but no HW related logic for now.
Changes from v2:
- Use bitfield for TBS status / support (Jakub)
- Remove unneeded cache alignment (Jakub)
- Fix checkpatch issues
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The conversion to bool is not needed, remove it.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit 0bf7800f1799 ("ptr_ring: try vmalloc() when kmalloc() fails")
started to use kvmalloc_array and kvfree, which are defined in mm.h,
the previous functions kcalloc and kfree, which are defined in slab.h.
Add the missing include of linux/mm.h. This went unnoticed as other
include files happened to include mm.h.
Fixes: 0bf7800f1799 ("ptr_ring: try vmalloc() when kmalloc() fails")
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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With 'commit 44768decb7c0 ("page_pool: handle page recycle for NUMA_NO_NODE
condition")' we can safely change nid to NUMA_NO_NODE and accommodate
future NUMA aware hardware using mvneta network interface
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Fix sparse warning:
drivers/net/ethernet/sfc/ethtool_common.c
warning: symbol 'efx_fill_test' was not declared. Should it be static?
warning: symbol 'efx_fill_loopback_test' was not declared.
Should it be static?
warning: symbol 'efx_describe_per_queue_stats' was not declared.
Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhang Xiaoxu <zhangxiaoxu5@huawei.com>
Reviewed-by: Martin Habets <mhabets@solarflare.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the print_hex_dump_debug() helper, instead of open-coding the same
operations.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Remove unused fields, copied from the Sun LANCE driver eons ago.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Linus Walleij says:
====================
IXP4xx networking cleanups
This is a patch series which jams together Arnds and mine
cleanups for the IXP4xx networking.
I also have patches for device tree support but that
requires more elaborate work, this series is some of
mine and some of Arnds patches that is a good foundation
for his multiplatform work and my device tree work.
These are for application to the networking tree so
that can be taken in one separate sweep.
I have tested the patches for a bit using zeroday builds
and some boots on misc IXP4xx devices and haven't run
into any major problems. We might find some new stuff
as a result from the new compiler coverage.
I had to depromote enabling compiler coverage at one
point in the v2 set because it depended on other patches
making the code more generic.
The change in v3 was simply dropping one offending
patch hardcoding base addresses into the driver.
The change in v4 drops a stable@ tag that was
unnecessary.
This v5 is a rebase of the v4 patch set on top of
net-next.
====================
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use the netdevice struct device .parent field when calling
dma_pool_create(): the .dma_coherent_mask and .dma_mask
pertains to the bus device on the hardware (platform)
bus in this case, not the struct device inside the network
device. This makes the pool allocation work.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In order to probe this ethernet interface from the device tree
all physical MMIO regions must be passed as resources. Begin
this rewrite by first passing the port base address as a
resource for all platforms using this driver, remap it in
the driver and avoid using any reference of the statically
mapped virtual address in the driver.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Simplify and correct a bunch of messages using printk
directly to use the netdev_* macros. I have not changed
all of them, just the low-hanging fruit.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Use "ndev" for the struct net_device and "dev" for the
struct device in probe() and remove(). Add the local
"dev" pointer for later use in refactoring.
Take this opportunity to fix inverse christmas tree
coding style.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The IXP4xx driver was initializing the MDIO bus before even
probing, in the callbacks supposed to be used for setting up
the module itself, and with the side effect of trying to
register the MDIO bus as soon as this module was loaded or
compiled into the kernel whether the device was discovered
or not.
This does not work with multiplatform environments.
To get rid of this: set up the MDIO bus from the probe()
callback and remove it in the remove() callback. Rename
the probe() and remove() calls to reflect the most common
conventions.
Since there is a bit of checking for the ethernet feature
to be present in the MDIO registering function, making the
whole module not even be registered if we can't find an
MDIO bus, we need something similar: register the MDIO
bus when the corresponding ethernet is probed, and
return -EPROBE_DEFER on the other interfaces until this
happens. If no MDIO bus is present on any of the
registered interfaces we will eventually bail out.
None of the platforms I've seen has e.g. MDIO on EthB
and only uses EthC, there is always a Ethernet hardware
on the NPE (B, C) that has the MDIO bus, we just might
have to wait for it.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The platform data is needed to compile the driver as standalone,
so move it to a global location along with similar files.
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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The ixp46x ptp driver has a somewhat unusual setup, where the ptp
driver and the ethernet driver are in different directories but
access the same registers that are defined a platform specific
header file.
Moving everything into drivers/net/ makes it look more like most
other ptp drivers and allows compile-testing this driver on
other targets.
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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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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