This commit introduces support for the KSZ8567, a robust 7-port
Ethernet switch. The KSZ8567 features two RGMII/MII/RMII interfaces,
each capable of gigabit speeds, complemented by five 10/100 Mbps
MAC/PHYs.
Signed-off-by: Philippe Schenker <philippe.schenker@impulsing.ch>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240130083419.135763-2-dev@pschenker.ch
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit adds the dt-binding for KSZ8567, a robust 7-port
Ethernet switch. The KSZ8567 features two RGMII/MII/RMII interfaces,
each capable of gigabit speeds, complemented by five 10/100 Mbps
MAC/PHYs.
This binding is necessary to set specific capabilities for this switch
chip that are necessary due to the ksz dsa driver only accepting
specific chip ids.
The KSZ8567 is very similar to KSZ9567 however only containing 100 Mbps
phys on its downstream ports.
Signed-off-by: Philippe Schenker <philippe.schenker@impulsing.ch>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://lore.kernel.org/r/20240130083419.135763-1-dev@pschenker.ch
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
dtschema package defines firmware-name as string-array, so individual
bindings should not make it a string but instead just narrow the number
of expected firmware file names.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Alex Elder <elder@linaro.org>
Link: https://lore.kernel.org/r/20240129142121.102450-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Donald Hunter says:
====================
tools/net/ynl: Add features for tc family
Add features to ynl for tc and update the tc spec to use them.
Patch 1 adds an option to output json instead of python pretty printing.
Patch 2, 3 adds support and docs for sub-messages in nested attribute
spaces that reference keys from a parent space.
Patches 4 and 7-9 refactor ynl in support of nested struct definitions
Patch 5 implements sub-message encoding for write ops.
Patch 6 adds logic to set default zero values for binary blobs
Patches 10, 11 adds support and docs for nested struct definitions
Patch 12 updates the ynl doc generator to include type information for
struct members.
Patch 13 updates the tc spec - still a work in progress but more complete
====================
Link: https://lore.kernel.org/r/20240129223458.52046-1-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fill in many of the gaps in the tc netlink spec, including stats attrs,
classes and actions. Many documentation strings have also been added.
This is still a work in progress, albeit fairly complete:
- there are still many attributes left as binary blobs.
- actions have not had much testing
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-14-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Extend the ynl doc generator to include type information for struct
members, ignoring the pad type.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-13-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add a description and example of nested struct definitions
to the netlink raw documentation.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-12-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Make it possible for struct definitions to reference other struct
definitions ofr binary members. For example, the tbf qdisc uses this
struct definition for its parms attribute:
-
name: tc-tbf-qopt
type: struct
members:
-
name: rate
type: binary
struct: tc-ratespec
-
name: peakrate
type: binary
struct: tc-ratespec
-
name: limit
type: u32
-
name: buffer
type: u32
-
name: mtu
type: u32
This adds the necessary schema changes and adds nested struct encoding
and decoding to ynl.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-11-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The formatted_string() class method was in NlAttr so that it could be
accessed by NlAttr.as_struct(). Now that as_struct() has been removed,
move formatted_string() to YnlFamily as an internal helper method.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-10-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Refactor the _fixed_header_size() method to be _struct_size() so that
naming is consistent with _encode_struct() and _decode_struct().
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-9-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
_decode_fixed_header() and NlAttr.as_struct() both implemented struct
decoding logic. Deduplicate the code into newly named _decode_struct()
method.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-8-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for defaulting binary byte arrays to all zeros as well as
defaulting scalar values to 0 when encoding input parameters.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-7-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add sub-message encoding to ynl. This makes it possible to create
tc qdiscs and other polymorphic netlink objects.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-6-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Refactor the fixed header encoding into a separate _encode_struct method
so that it can be reused for fixed headers in sub-messages and for
encoding structs.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-5-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Update the netlink-raw docs to add a description of sub-message selector
resolution to explain that selector resolution is constrained by the
spec.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-4-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Sub-message selectors could only be resolved using values from the
current nest level. Enable value lookup in outer scopes by using
collections.ChainMap to implement an ordered lookup from nested to
outer scopes.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-3-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The ynl cli currently emits python pretty printed structures which is
hard to consume. Add a new --output-json argument to emit JSON.
Signed-off-by: Donald Hunter <donald.hunter@gmail.com>
Reviewed-by: Breno Leitao <leitao@debian.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240129223458.52046-2-donald.hunter@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Running fcnal-test.sh script with -P argument is causing test failures:
$ ./fcnal-test.sh -t ping -P
TEST: ping out - ns-B IP [ OK ]
hit enter to continue, 'q' to quit
fcnal-test.sh: line 106: [: ping: integer expression expected
TEST: out, [FAIL]
expected rc ping; actual rc 0
hit enter to continue, 'q' to quit
The test functions use local variable 'a' for addresses and
then log_test is also using 'a' without a local declaration.
Fix by declaring a local variable and using 'ans' (for answer)
in the read.
Signed-off-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240130154327.33848-1-dsahern@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Kuniyuki Iwashima says:
====================
af_unix: Remove io_uring dead code in GC.
I will post another series that rewrites the garbage collector for
AF_UNIX socket.
This is a prep series to clean up changes to GC made by io_uring but
now not necessary.
====================
Link: https://lore.kernel.org/r/20240129190435.57228-1-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Originally, the code related to garbage collection was all in garbage.c.
Commit f4e65870e5 ("net: split out functions related to registering
inflight socket files") moved some functions to scm.c for io_uring and
added CONFIG_UNIX_SCM just in case AF_UNIX was built as module.
However, since commit 97154bcf4d ("af_unix: Kconfig: make CONFIG_UNIX
bool"), AF_UNIX is no longer built separately. Also, io_uring does not
support SCM_RIGHTS now.
Let's move the functions back to garbage.c
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20240129190435.57228-4-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since commit 705318a99a ("io_uring/af_unix: disable sending
io_uring over sockets"), io_uring's unix socket cannot be passed
via SCM_RIGHTS, so it does not contribute to cyclic reference and
no longer be candidate for garbage collection.
Also, commit 6e5e6d2749 ("io_uring: drop any code related to
SCM_RIGHTS") cleaned up SCM_RIGHTS code in io_uring.
Let's do it in AF_UNIX as well by reverting commit 0091bfc817
("io_uring/af_unix: defer registered files gc to io_uring release")
and commit 1036908045 ("net: reclaim skb->scm_io_uring bit").
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20240129190435.57228-3-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is a prep patch for the last patch in this series so that
checkpatch will not warn about BUG_ON().
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20240129190435.57228-2-kuniyu@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
commit 0a31bd5f2b ("KMEM_CACHE(): simplify slab cache creation")
introduces a new macro.
Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240130092536.73623-1-chentao@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
commit 0a31bd5f2b ("KMEM_CACHE(): simplify slab cache creation")
introduces a new macro.
Use the new KMEM_CACHE() macro instead of direct kmem_cache_create
to simplify the creation of SLAB caches.
Signed-off-by: Kunwu Chan <chentao@kylinos.cn>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/20240130092255.73078-1-chentao@kylinos.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Christian Marangi says:
====================
net: phy: split at803x
This is the last patchset of a long series of cleanup and
preparation to make at803x better maintainable and permit
the addition of other QCOM PHY Families.
A shared library modules is created since many QCOM PHY share
similar/exact implementation and are reused.
This series doesn't introduce any new code but just move the
function around and introduce a new module for all the functions
that are shared between the 3 different PHY family.
Since the drivers are actually detached, new probe function are
introduced that allocate the specific priv struct for the PHYs.
After this patch, qca808x will be further generalized as LED
and cable test function are also used by the QCA807x PHYs.
This is just for reference and the additional function move will
be done on the relates specific series.
This is also needed in preparation for the introduction of
qca807x PHYs family and PHY package concept.
====================
Link: https://lore.kernel.org/r/20240129141600.2592-1-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Almost all the QCA8081 PHY driver OPs are specific and only some of them
use the generic at803x.
To make the at803x code slimmer, move all the specific qca808x regs and
functions to a dedicated PHY driver.
Probe function and priv struct is reworked to allocate and use only the
qca808x specific data. Unused data from at803x PHY driver are dropped
from at803x priv struct.
Also a new Kconfig is introduced QCA808X_PHY, to compile the newly
introduced PHY driver for QCA8081 PHY.
As the Kconfig name starts with Qualcomm the same order is kept.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129141600.2592-6-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Move additional functions to shared library in preparation for qca808x
PHY Family to be detached from at803x driver.
Only the shared defines are moved to the shared qcom.h header.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129141600.2592-5-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Deatch qca83xx PHY driver from at803x.
The QCA83xx PHYs implement specific function and doesn't use generic
at803x so it can be detached from the driver and moved to a dedicated
one.
Probe function and priv struct is reimplemented to allocate and use
only the qca83xx specific data. Unused data from at803x PHY driver
are dropped from at803x priv struct.
This is to make slimmer PHY drivers instead of including lots of bloat
that would never be used in specific SoC.
A new Kconfig flag QCA83XX_PHY is introduced to compile the new
introduced PHY driver.
As the Kconfig name starts with Qualcomm the same order is kept.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129141600.2592-4-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Create and move functions to shared library in preparation for qca83xx
PHY Family to be detached from at803x driver.
Only the shared defines are moved to the shared qcom.h header.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129141600.2592-3-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In preparation for addition of other Qcom PHY and to tidy things up,
move the at803x PHY driver to dedicated directory.
The same order in the Kconfig selection is saved.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129141600.2592-2-ansuelsmth@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Andre Werner says:
====================
Prevent nullptr exceptions in ISR
In case phydev->irq is modified unconditionally to a valid IRQ, handling
the IRQ may lead to a nullptr exception if no interrupt handler is
registered to the phy driver. phy_interrupt calls a
phy_device->handle_interrupt unconditionally. And interrupts are enabled
in phy_connect_direct if phydev->irq is not equal to PHY_POLL or
PHY_MAC_INTERRUPT, so it does not check for a phy driver providing an ISR.
Adding an additonal check for a valid interrupt handler in phy_attach_direct
function, and falling back to polling mode if not, should prevent for
such nullptr exceptions.
Moreover, the ADIN1100 phy driver is extended with an interrupt handler
for changes in the link status.
====================
Link: https://lore.kernel.org/r/20240129135734.18975-1-andre.werner@systec-electronic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
An interrupt handler was added to the driver as well as functions
to enable interrupts at the phy.
There are several interrupts maskable at the phy, but only link change
interrupts are handled by the driver yet.
Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
Link: https://lore.kernel.org/r/20240129135734.18975-3-andre.werner@systec-electronic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
If phydev->irq is set unconditionally, check
for valid interrupt handler or fall back to polling mode to prevent
nullptr exceptions in interrupt service routine.
Signed-off-by: Andre Werner <andre.werner@systec-electronic.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20240129135734.18975-2-andre.werner@systec-electronic.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
lan743x_ptp_request_tx_timestamp uses spin_lock_bh, but it is
only called from lan743x_tx_xmit_frame where all IRQs are
already disabled.
This fixes the "IRQs not enabled as expected" warning.
Signed-off-by: Lucas Tanure <tanure@linux.com>
Link: https://lore.kernel.org/r/20240128101849.107298-1-tanure@linux.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This is cosmetics. Move the call of xa_erase() in dpll_pin_put()
so the order of cleanup calls matches the error path of
dpll_pin_alloc().
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Link: https://lore.kernel.org/r/20240130155814.268622-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The test sends packets and compares enqueue, transmit and Ack
timestamps with expected values. It installs netem delays to increase
latency between these points.
The test proves flaky in virtual environment (vng). Increase the
delays to reduce variance. Scale measurement tolerance accordingly.
Time sensitive tests are difficult to calibrate. Increasing delays 10x
also increases runtime 10x, for one. And it may still prove flaky at
some rate.
Signed-off-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240127023212.3746239-1-willemdebruijn.kernel@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'nf-next-24-01-29' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
nf-next pr 2024-01-29
This batch contains updates for your *next* tree.
First three changes, from Phil Sutter, allow userspace to define
a table that is exclusively owned by a daemon (via netlink socket
aliveness) without auto-removing this table when the userspace program
exits. Such table gets marked as orphaned and a restarting management
daemon may re-attach/reassume ownership.
Next patch, from Pablo, passes already-validated flags variable around
rather than having called code re-fetch it from netlnik message.
Patches 5 and 6 update ipvs and nf_conncount to use the recently
introduced KMEM_CACHE() macro.
Last three patches, from myself, tweak kconfig logic a little to
permit a kernel configuration that can run iptables-over-nftables
but not classic (setsockopt) iptables.
Such builds lack the builtin-filter/mangle/raw/nat/security tables,
the set/getsockopt interface and the "old blob format"
interpreter/traverser. For now, this is 'oldconfig friendly', users
need to manually deselect existing config options for this.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Wahren says:
====================
qca_spi: collection of improvements
This series contains a wild collection of improvements for the
qca_spi driver. This is a follow-up series to the recent bugfixes [1].
Patch 1, 2 & 3 in this series is the initially intended rework of
netdev_open/close. Patch 4 & 10 are minor functional improvements and
the rest is clean-up.
Changes in V4:
- keep thread handling in netdev_open, but improve this by two
separate patches ( 1 & 2 )
- add missing link to bugfix series
Changes in V3:
- rebase on net-next-20240124
- improve commit message in Patch 8
- add Reviewed-by's from Jacob Keller
- add Patch 13 for mailmap as suggested by Jacob
- add Patch 14 for MAINTAINERS entry
Changes in V2:
- rebase on net-next-20231218
- improve cover letter
[1] - https://lore.kernel.org/netdev/20231206141222.52029-1-wahrenst@gmx.net/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Since upstreaming i contributed a lot to this driver(s),
so add myself as a maintainer.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a .mailmap entry because my old i2se.com address will be
deactivated in the near future.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
The company I2SE has been acquired a long time ago. Switch to
my private mail address before the I2SE account is deactivated.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
According to MODULE_LICENSE the driver is under a dual license.
So replace the BSD license text with the proper SPDX tag.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All known SPI registers of the QCA700x are 16 bit long. So adjust
the formater width accordingly.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Most of the users doesn't know the expected signature of the QCA700x.
So provide it within the error message. Btw use lowercase for hex as
in the rest of the driver.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are two points with the calculation of RX buffer size which are
not optimal:
1. dev->mtu is a mutual parameter and it's currently initialized with
QCAFRM_MAX_MTU. But for RX buffer size calculation we always need the
maximum possible MTU. So better use the define directly.
2. This magic number 4 represent the hardware generated frame length
which is specific to SPI. We better replace this with the suitable
define.
There is no functional change.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently qca_spi reserves enough space for 4 complete Ethernet over SPI
frames in the receive buffer. Unfortunately this is hidden under a magic
number. So replace it with a more self explaining define.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All defines in qca_spi.h except of the two ring limit defines have
a QCASPI prefix. Since the name is quite generic add the QCASPI prefix
to avoid possible name conflicts.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This member is never used. So drop it.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
qcafrm_fsm_decode has the almost the same function description in
qca_7k_common.c. So drop the comment here.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The skb spare room needs to be expanded for SPI header, footer
and possible padding within the TX path. So announce the necessary
space in order to avoid expensive skb_copy_expand calls.
Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
