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commit ed6cd6a17896 ("net, neigh: Set lower cap for neigh_managed_work rearming")
fixed a case when DELAY_PROBE_TIME is configured to 0, the processing of the
system work queue hog CPU to 100%, and further more we should introduce
a new option used by periodic probe
Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
add proc_dointvec_ms_jiffies_minmax to fit read msecs value to jiffies
with a limited range of values
Signed-off-by: Yuwei Wang <wangyuweihx@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
On failure, devm_platform_ioremap_resource() returns a ERR_PTR() value
and not NULL. Fix return value checking by using IS_ERR() and return
PTR_ERR() as error value.
Fixes: 7dc54d3b8d91 ("net: pcs: add Renesas MII converter driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Clément Léger <clement.leger@bootlin.com>
Link: https://lore.kernel.org/r/20220628131259.3109124-1-yangyingliang@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The devm_platform_ioremap_resource() function never returns NULL.
It returns error pointers.
Signed-off-by: Peng Wu <wupeng58@huawei.com>
Reported-by: Hulk Robot <hulkci@huawei.com>
Reviewed-by: Clément Léger <clement.leger@bootlin.com>
Link: https://lore.kernel.org/r/20220628130920.49493-1-wupeng58@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
There is no need to store the result of the addition back to variable count
after the addition. The store is redundant, replace += with just +
Cleans up clang scan build warning:
warning: Although the value stored to 'count' is used in the enclosing
expression, the value is never actually read from 'count'
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220628145406.183527-1-colin.i.king@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This switch is calculating tx/rx_bytes for all packets including pause.
So, include rx/tx_pause counter to rx/tx_packets to make tx/rx_bytes fit
to rx/tx_packets.
Link: https://lore.kernel.org/all/20220624220317.ckhx6z7cmzegvoqi@skbuf/
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add support for pause specific stats.
Tested on ksz9477.
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The following is now supported:
$ tc qdisc add PORT clsact
$ tc filter add dev PORT egress ...
Signed-off-by: Maksym Glubokiy <maksym.glubokiy@plvision.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, this script sets up the test scenario, which is supposed to end
in an inability of the system to negotiate a link. It then waits for a bit,
and verifies that the system can diagnose why the link was not established.
The wait time for the scenario where different link speeds are forced on
the two ends of a loopback cable, was set to 4 seconds, which exactly
covered it. As of a recent mlxsw firmware update, this time gets longer,
and this test starts failing.
The time that selftests currently wait for links to be established is
currently $WAIT_TIMEOUT, or 20 seconds. It seems reasonable that if this is
the time necessary to establish and bring up a link, it should also be
enough to determine that a link cannot be established and why.
Therefore in this patch, convert the sleeps to busywaits, so that if a
failure is established sooner (as is expected), the test runs quicker. And
use $WAIT_TIMEOUT as the time to wait.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A number of spelling and language mistakes in the flower section are
fixed. The spacing between the text inside some comments and the comment
symbols are also updated for consistency.
Signed-off-by: Walter Heymans <walter.heymans@corigine.com>
Reviewed-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Arun Ramadoss says:
====================
net: dsa: microchip: use ksz_chip_reg for
This patch series tries to use the same approach as struct ksz8 for
register which has different address for different switch family. It
moves the struct ksz8 from ksz8.h to struct ksz_chip_reg. Based on the
switch detect, the corresponding mask, reg and shifts are assigned.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves the broadcast ctrl, multicast ctrl and start control
registers from ksz_chip_dat to ksz_chip_reg.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves the stp_ctrl_reg from the ksz_chip_data to ksz_chip_reg
structure.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The register size for the ksz8 switches is u8 and for ksz9477 series is
u16. To have common struct for ksz series switches the size of reg is
increased from u8 to u16.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch removes the struct ksz8 from ksz8.h which is no longer
needed. The platform bus specific details are now deferenced through
dev->priv.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves ksz8->shifts from ksz8795.c to ksz_common.c. The shifts
are dereferenced using dev->info->shifts.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves the ksz8->masks from ksz8795.c to ksz_common.c. The
mask will be dereferenced using dev->info->masks.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch moves the ksz8->regs from ksz8795.c to the ksz_common.c. And
the regs is dereferrenced using dev->info->regs.
Signed-off-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Biao Huang says:
====================
net: add more features for mtk-star-emac
Changes in v4:
1. correct the usage of spin_lock/__napi_schedule.
2. fix coding style as Jakub's comments.
Changes in v3:
1. refractor driver as Jakub's comments in patch
"net: ethernet: mtk-star-emac: separate tx/rx handling with two NAPIs".
2. add acked-by as Rob's comments.
3. add a new patch for halp-duplex support in driver.
Changes in v2:
1. fix coding style as Bartosz's comments.
2. add reviewed-by as Bartosz's comments.
This series add more features for mtk-star-emac:
1. add reference clock pad selection for RMII;
2. add simple timing adjustment for RMII;
3. add support for MII;
4. add support for new IC MT8365;
5. separate tx/rx interrupt handling.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Current driver doesn't support half duplex correctly.
This patch enable half duplex capability in hardware.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Current driver may lost tx interrupts under bidirectional test with iperf3,
which leads to some unexpected issues.
This patch let rx/tx interrupt enable/disable separately, and rx/tx are
handled in different NAPIs.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for MII interface.
If user wants to use MII, assign "MII" to "phy-mode" property in dts.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add description for new properties which will be parsed in driver.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add simple clock inversion for timing adjustment in driver.
Add property "mediatek,txc-inverse" or "mediatek,rxc-inverse" to
device node when necessary.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch add a new dts property named "mediatek,rmii-rxc" parsing
in driver, which will configure MAC to select which pin the RMII reference
clock is connected to, TXC or RXC.
TXC pad is the default reference clock pin. If user wants to use RXC pad
instead, add "mediatek,rmii-rxc" to corresponding device node.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add binding document for Ethernet on MT8365.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add Ethernet driver support for MT8365 SoC.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the flags in request_irq() is IRQF_TRIGGER_NONE, the trigger method
is determined by "interrupt" property in dts.
So, modify the flag from IRQF_TRIGGER_FALLING to IRQF_TRIGGER_NONE.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Yinghua Pan <ot_yinghua.pan@mediatek.com>
Reviewed-by: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Not all the SoC are using the same clock divider. Move the divider into
a compat structure specific to the SoCs.
Signed-off-by: Biao Huang <biao.huang@mediatek.com>
Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Martin Habets says:
====================
sfc: Add extra states for VDPA
For EF100 VDPA support we need to enhance the sfc driver's load and
unload functionality so that it can probe and then unregister its
network device, so that VDPA can use services such as MCDI to initialise
VDPA resources.
v2:
- Fix checkpatch errors.
- Correct signoffs.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The netdev probe will be used when moving from vDPA to EF100 BAR config.
The netdev remove will be used when moving from EF100 to vDPA BAR config.
In the process, change several log messages to pci_ instead of netif_
to remove the "(unregistered net_device)" text.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor fix to existing code to make later patch checkpatch clean.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Minor fix to existing code to later patch checkpatch clean.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This avoids a forward declaration in a subsequent patch.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
As we have a lot of common code this applies to all NIC architectures.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Once we separate struct efx_nic memory from net_device memory the
existing usage will have to change.
Apart from the new function efx_netdev_priv() accesses have been
changed using:
sed -i 's/netdev_priv/efx_netdev_priv/'
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pre-emptively fix a checkpatch warning in a subsequent patch.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Move functionality involving the struct net_device out of
efx_init_struct so that we can initialise without a net dev
for VDPA operation.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For VDPA we need to tear down the driver to the point where it
has various control channels like MCDI, but it no longer has
a network device. This adds a state corresponding to
that mode that will be used when VDPA support is added.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Co-developed-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch splits the READY state in to NET_UP and NET_DOWN. This
is to prepare for future work to delay resource allocation until
interface up so that we can use resources more efficiently in
SRIOV environments, and also to lay the ground work for an extra
PROBED state where we don't create a network interface,
for VDPA operation.
Signed-off-by: Jonathan Cooper <jonathan.s.cooper@amd.com>
Acked-by: Martin Habets <habetsm.xilinx@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ido Schimmel says:
====================
mlxsw: Unified bridge conversion - part 5/6
This is the fifth part of the conversion of mlxsw to the unified bridge
model.
The previous part that was merged in commit d521bc0a0f7c ("Merge branch
'mlxsw-unified-bridge-conversion-part-4-6'") converted the flooding code
to use the new APIs of the unified bridge model. As part of this
conversion, the flooding code started accessing the port group table
(PGT) directly in order to allocate MID indexes and configure the ports
via which a packet needs to be replicated.
MDB entries in the device also make use of the PGT table, but the
related code has its own PGT allocator and does not make use of the
common core that was added in the previous patchset. This patchset
converts the MDB code to use the common PGT code.
The first nine patches prepare the MDB code for the conversion that is
performed by the last patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The previous patches added common APIs for maintaining PGT (Port Group
Table) table. In the legacy model, software did not interact with this
table directly. Instead, it was accessed by firmware in response to
registers such as SFTR and SMID. In the new model, software has full
control over the PGT table using the SMID register.
The configuration of MDB entries is already done via SMID, so the new
PGT APIs can be used also using the legacy model, the only difference is
that MID index should be aligned to bridge model. See a previous patch
which added API for that.
The main changes are:
- MDB code does not maintain bitmap of ports in MDB entry anymore, instead,
it stores a list of ports with additional information.
- MDB code does not configure SMID register directly anymore, it will be
done via PGT API when port is first added or removed.
- Today MDB code does not update SMID when port is added/removed while
multicast is disabled. Instead, it maintains bitmap of ports and once
multicast is enabled, it rewrite the entry to hardware. Using PGT APIs,
the entry will be updated also when multicast is disabled, but the
mapping between {MAC, FID}->{MID} will not appear in SFD register. It
means that SMID will be updated all the time and disable/enable multicast
will impact only SFD configuration.
- For multicast router, today only SMID is updated and the bitmap is not
updated. Using the new list of ports, there is a reference count for each
port, so it can be saved in software also. For such port,
'struct mlxsw_sp_mdb_entry.ports_count' will not be updated and the
port in the list will be marked as 'mrouter'.
- Finally, `struct mlxsw_sp_mid.in_hw` is not needed anymore.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, flushing port from all MDB entries is done when the last VLAN
is removed. This behavior is inaccurate, as port can be removed while there
is another port which uses the same VLAN, in such case, this is not the
last port which uses this VLAN and removed, but this port is supposed to be
removed from the MDB entries.
Flush the port from MDB when it is removed, regardless the state of other
ports. Flush only the MDB entries which are relevant for the same FID
index.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A previous patch added support for init() and fini() for MDB entries. MDB
entry can be updated, ports can be added and removed from the entry. Add
get() and put() functions, the first one checks if the entry already exists
and otherwise initializes the entry. The second removes the entry just in
case that there are no more ports in this entry.
Use the list of the ports which was added in a previous patch. When the
list contains only one port which is not multicast router, and this port
is removed, the MDB entry can be removed. Use
'struct mlxsw_sp_mdb_entry.ports_count' to know how many ports use the
entry, regardless the use of multicast router ports.
When mlxsw_sp_mc_mdb_entry_put() is called with specific port which
supposed to be removed, check if the removal will cause a deletion of
the entry. If this is the case, call mlxsw_sp_mc_mdb_entry_fini() which
first deletes the MDB entry and then releases the PGT entry, to avoid a
temporary situation in which the MDB entry points to an empty PGT entry,
as otherwise packets will be temporarily dropped instead of being flooded.
The new functions will be used in the next patches.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
