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This patch adds support for manipulating vlan/tunnel mappings. The
tunnel ids are globally unique and are one per-vlan. There were two
trickier issues - first in order to support vlan ranges we have to
compute the current tunnel id in the following way:
- base tunnel id (attr) + current vlan id - starting vlan id
This is in line how the old API does vlan/tunnel mapping with ranges. We
already have the vlan range present, so it's redundant to add another
attribute for the tunnel range end. It's simply base tunnel id + vlan
range. And second to support removing mappings we need an out-of-band way
to tell the option manipulating function because there are no
special/reserved tunnel id values, so we use a vlan flag to denote the
operation is tunnel mapping removal.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new option - BRIDGE_VLANDB_ENTRY_TUNNEL_ID which is used to dump
the tunnel id mapping. Since they're unique per vlan they can enter a
vlan range if they're consecutive, thus we can calculate the tunnel id
range map simply as: vlan range end id - vlan range start id. The
starting point is the tunnel id in BRIDGE_VLANDB_ENTRY_TUNNEL_ID. This
is similar to how the tunnel entries can be created in a range via the
old API (a vlan range maps to a tunnel range).
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The vlan tunnel code changes vlan options, it shouldn't touch port or
bridge options so we can constify the port argument. This would later help
us to re-use these functions from the vlan options code.
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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It is more appropriate name as it shows the intent of why we need to
check the options' state. It also allows us to give meaning to the two
arguments of the function: the first is the current vlan (v_curr) being
checked if it could enter the range ending in the second one (range_end).
Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jose Abreu says:
====================
net: stmmac: 100GB Enterprise MAC support
Adds the support for Enterprise MAC IP version which allows operating
speeds up to 100GB.
Patch 1/4, adds the support in XPCS for XLGMII interface that is used in
this kind of Enterprise MAC IPs.
Patch 2/4, adds the XLGMII interface support in stmmac.
Patch 3/4, adds the HW specific support for Enterprise MAC.
We end in patch 4/4, by updating stmmac documentation to mention the
support for this new IP version.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the Enterprise MAC support to the list of supported IP versions and
the newly added XLGMII interface support.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Adds the support for Enterprise MAC IP version which is very similar to
XGMAC. It's so similar that we just need to check the device id and add
new speeds definitions and some minor callbacks.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add XLGMII support for stmmac including the list of speeds and defines
for them.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add XLGMII support for XPCS. This does not include Autoneg feature.
Signed-off-by: Jose Abreu <Jose.Abreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Arthur Kiyanovski says:
====================
ENA driver bug fixes
====================
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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last_keep_alive_jiffies is updated in probe and when a keep-alive
event is received. In case the driver times-out on a keep-alive event,
it has high chances of continuously timing-out on keep-alive events.
This is because when the driver recovers from the keep-alive-timeout reset
the value of last_keep_alive_jiffies is very old, and if a keep-alive
event is not received before the next timer expires, the value of
last_keep_alive_jiffies will cause another keep-alive-timeout reset
and so forth in a loop.
Solution:
Update last_keep_alive_jiffies whenever the device is restored after
reset.
Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Noam Dagan <ndagan@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rx req_id is an index in struct ena_eth_io_rx_cdesc_base.
The driver should validate that the Rx req_id it received from
the device is in range [0, ring_size -1]. Failure to do so could
yield to potential memory access violoation.
The validation was mistakenly done when refilling
the Rx submission queue and not in Rx completion queue.
Fixes: ad974baef2a1 ("net: ena: add support for out of order rx buffers refill")
Signed-off-by: Noam Dagan <ndagan@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bug:
In short the main issue is caused by the fact that the number of queues
is changed using ethtool after ena_probe() has been called and before
ena_up() was executed. Here is the full scenario in detail:
* ena_probe() is called when the driver is loaded, the driver is not up
yet at the end of ena_probe().
* The number of queues is changed -> io_queue_count is changed as well -
ena_up() is not called since the "dev_was_up" boolean in
ena_update_queue_count() is false.
* ena_up() is called by the kernel (it's called asynchronously some
time after ena_probe()). ena_setup_io_intr() is called by ena_up() and
it uses io_queue_count to get the suitable irq lines for each msix
vector. The function ena_request_io_irq() is called right after that
and it uses msix_vecs - This value only changes during ena_probe() and
ena_restore() - to request the irq vectors. This results in "Failed to
request I/O IRQ" error for i > io_queue_count.
Numeric example:
* After ena_probe() io_queue_count = 8, msix_vecs = 9.
* The number of queues changes to 4 -> io_queue_count = 4, msix_vecs = 9.
* ena_up() is executed for the first time:
** ena_setup_io_intr() inits the vectors only up to io_queue_count.
** ena_request_io_irq() calls request_irq() and fails for i = 5.
How to reproduce:
simply run the following commands:
sudo rmmod ena && sudo insmod ena.ko;
sudo ethtool -L eth1 combined 3;
Fix:
Use ENA_MAX_MSIX_VEC(adapter->num_io_queues + adapter->xdp_num_queues)
instead of adapter->msix_vecs. We need to take XDP queues into
consideration as they need to have msix vectors assigned to them as well.
Note that the XDP cannot be attached before the driver is up and running
but in XDP mode the issue might occur when the number of queues changes
right after a reset trigger.
The ENA_MAX_MSIX_VEC simply adds one to the argument since the first msix
vector is reserved for management queue.
Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Overview:
We don't frequently change the msix vectors throughout the life cycle of
the driver. We do so in two functions: ena_probe() and ena_restore().
ena_probe() is only called when the driver is loaded. ena_restore() on the
other hand is called during device reset / resume operations.
We use num_io_queues for calculating and allocating the number of msix
vectors. At ena_probe() this value is equal to max_num_io_queues and thus
this is not an issue, however ena_restore() might be called after the
number of io queues has changed.
A possible bug scenario is as follows:
* Change number of queues from 8 to 4.
(num_io_queues = 4, max_num_io_queues = 8, msix_vecs = 9,)
* Trigger reset occurs -> ena_restore is called.
(num_io_queues = 4, max_num_io_queues =8 , msix_vecs = 5)
* Change number of queues from 4 to 6.
(num_io_queues = 6, max_num_io_queues = 8, msix_vecs = 5)
* The driver will reset due to failure of check_for_rx_interrupt_queue()
Fix:
This can be easily fixed by always using max_num_io_queues to init the
msix_vecs, since this number won't change as opposed to num_io_queues.
Fixes: 4d19266022ec ("net: ena: multiple queue creation related cleanups")
Signed-off-by: Sameeh Jubran <sameehj@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Check clk_prepare_enable() return value.
Fixes: 2c7230446bc9 ("net: phy: Add pm support to Broadcom iProc mdio mux driver")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Shannon Nelson says:
====================
ionic bits and bytes
These are a few little updates to the ionic driver while we are in between
other feature work. While these are mostly Fixes, they are almost all low
priority and needn't be promoted to net. The one higher need is patch 1,
but it is fixing something that hasn't made it out of net-next yet.
v3: allow decode of unknown transciever and use type
codes from sfp.h
v2: add Fixes tags to patches 1-4, and a little
description for patch 5
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add decoding for a new firmware error code.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we don't recognize the transceiver type, set the xcvr type
and data length such that ethtool can at least print the first
256 bytes and the reader can figure out why the transceiver
is not recognized.
While we're here, we can update the phy_id type values to use
the enum values in sfp.h.
Fixes: 4d03e00a2140 ("ionic: Add initial ethtool support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove the adminq's napi struct when tearing down
the adminq.
Fixes: 1d062b7b6f64 ("ionic: Add basic adminq support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't bother de-initing RSS if it wasn't selected.
Fixes: aa3198819bea ("ionic: Add RSS support")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If we don't set a port type, the devlink code will eventually
print a WARN in the kernel log. Because the mgmt device is
not really a useful port, don't register it as a devlink port.
Fixes: b3f064e9746d ("ionic: add support for device id 0x1004")
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Eric Dumazet says:
====================
net_sched: allow use of hrtimer slack
Packet schedulers have used hrtimers with exact expiry times.
Some of them can afford having a slack, in order to reduce
the number of timer interrupts and feed bigger batches
to increase efficiency.
FQ for example does not care if throttled packets are
sent with an additional (small) delay.
Original observation of having maybe too many interrupts
was made by Willem de Bruijn.
v2: added strict netlink checking (Jakub Kicinski)
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new attribute to control the fq qdisc hrtimer slack.
Default is set to 10 usec.
When/if packets are throttled, fq set up an hrtimer that can
lead to one interrupt per packet in the throttled queue.
By using a timer slack, we allow better use of timer interrupts,
by giving them a chance to call multiple timer callbacks
at each hardware interrupt.
Also, giving a slack allows FQ to dequeue batches of packets
instead of a single one, thus increasing xmit_more efficiency.
This has no negative effect on the rate a TCP flow can sustain,
since each TCP flow maintains its own precise vtime (tp->tcp_wstamp_ns)
v2: added strict netlink checking (as feedback from Jakub Kicinski)
Tested:
1000 concurrent flows all using paced packets.
1,000,000 packets sent per second.
Before the patch :
$ vmstat 2 10
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
0 0 0 60726784 23628 3485992 0 0 138 1 977 535 0 12 87 0 0
0 0 0 60714700 23628 3485628 0 0 0 0 1568827 26462 0 22 78 0 0
1 0 0 60716012 23628 3485656 0 0 0 0 1570034 26216 0 22 78 0 0
0 0 0 60722420 23628 3485492 0 0 0 0 1567230 26424 0 22 78 0 0
0 0 0 60727484 23628 3485556 0 0 0 0 1568220 26200 0 22 78 0 0
2 0 0 60718900 23628 3485380 0 0 0 40 1564721 26630 0 22 78 0 0
2 0 0 60718096 23628 3485332 0 0 0 0 1562593 26432 0 22 78 0 0
0 0 0 60719608 23628 3485064 0 0 0 0 1563806 26238 0 22 78 0 0
1 0 0 60722876 23628 3485236 0 0 0 130 1565874 26566 0 22 78 0 0
1 0 0 60722752 23628 3484908 0 0 0 0 1567646 26247 0 22 78 0 0
After the patch, slack of 10 usec, we can see a reduction of interrupts
per second, and a small decrease of reported cpu usage.
$ vmstat 2 10
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
r b swpd free buff cache si so bi bo in cs us sy id wa st
1 0 0 60722564 23628 3484728 0 0 133 1 696 545 0 13 87 0 0
1 0 0 60722568 23628 3484824 0 0 0 0 977278 25469 0 20 80 0 0
0 0 0 60716396 23628 3484764 0 0 0 0 979997 25326 0 20 80 0 0
0 0 0 60713844 23628 3484960 0 0 0 0 981394 25249 0 20 80 0 0
2 0 0 60720468 23628 3484916 0 0 0 0 982860 25062 0 20 80 0 0
1 0 0 60721236 23628 3484856 0 0 0 0 982867 25100 0 20 80 0 0
1 0 0 60722400 23628 3484456 0 0 0 8 982698 25303 0 20 80 0 0
0 0 0 60715396 23628 3484428 0 0 0 0 981777 25176 0 20 80 0 0
0 0 0 60716520 23628 3486544 0 0 0 36 978965 27857 0 21 79 0 0
0 0 0 60719592 23628 3486516 0 0 0 22 977318 25106 0 20 80 0 0
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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qdisc_watchdog_schedule_range_ns() can use the newly added slack
and avoid rearming the hrtimer a bit earlier than the current
value. This patch has no effect if delta_ns parameter
is zero.
Note that this means the max slack is potentially doubled.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some packet schedulers might want to add a slack
when programming hrtimers. This can reduce number
of interrupts and increase batch sizes and thus
give good xmit_more savings.
This commit adds qdisc_watchdog_schedule_range_ns()
helper, with an extra delta_ns parameter.
Legacy qdisc_watchdog_schedule_n() becomes an inline
passing a zero slack.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski says:
====================
net: rename flow_action stats and set NFP type
Jiri, I hope this is okay with you, I just dropped the "type" from
the helper and value names, and now things should be able to fit
on a line, within 80 characters.
Second patch makes the NFP able to offload DELAYED stats, which
is the type it supports.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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NFP flower offload uses delayed stats. Kernel recently gained
the ability to specify stats types. Make nfp accept DELAYED
stats, not just the catch all "any".
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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flow_action_hw_stats_types_check() helper takes one of the
FLOW_ACTION_HW_STATS_*_BIT values as input. If we align
the arguments to the opening bracket of the helper there
is no way to call this helper and stay under 80 characters.
Remove the "types" part from the new flow_action helpers
and enum values.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Doug Berger says:
====================
net: bcmgenet: revisit MAC reset
Commit 3a55402c9387 ("net: bcmgenet: use RGMII loopback for MAC
reset") was intended to resolve issues with reseting the UniMAC
core within the GENET block by providing better control over the
clocks used by the UniMAC core. Unfortunately, it is not
compatible with all of the supported system configurations so an
alternative method must be applied.
This commit set provides such an alternative. The first commit
reverts the previous change and the second commit provides the
alternative reset sequence that addresses the concerns observed
with the previous implementation.
This replacement implementation should be applied to the stable
branches wherever commit 3a55402c9387 ("net: bcmgenet: use RGMII
loopback for MAC reset") has been applied.
Unfortunately, reverting that commit may conflict with some
restructuring changes introduced by commit 4f8d81b77e66 ("net:
bcmgenet: Refactor register access in bcmgenet_mii_config").
The first commit in this set has been manually edited to
resolve the conflict on net/master. I would be happy to help
stable maintainers with resolving any such conflicts if they
occur. However, I do not expect that commit to have been
backported to stable branch so hopefully the revert can be
applied cleanly.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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As noted in commit 28c2d1a7a0bf ("net: bcmgenet: enable loopback
during UniMAC sw_reset") the UniMAC must be clocked at least 5
cycles while the sw_reset is asserted to ensure a clean reset.
That commit enabled local loopback to provide an Rx clock from the
GENET sourced Tx clk. However, when connected in MII mode the Tx
clk is sourced by the PHY so if an EPHY is not supplying clocks
(e.g. when the link is down) the UniMAC does not receive the
necessary clocks.
This commit extends the sw_reset window until the PHY reports that
the link is up thereby ensuring that the clocks are being provided
to the MAC to produce a clean reset.
One consequence is that if the system attempts to enter a Wake on
LAN suspend state when the PHY link has not been active the MAC
may not have had a chance to initialize cleanly. In this case, we
remove the sw_reset and enable the WoL reception path as normal
with the hope that the PHY will provide the necessary clocks to
drive the WoL blocks if the link becomes active after the system
has entered suspend.
Fixes: 1c1008c793fa ("net: bcmgenet: add main driver file")
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit 3a55402c93877d291b0a612d25edb03d1b4b93ac.
This is not a good solution when connecting to an external switch
that may not support the isolation of the TXC signal resulting in
output driver contention on the pin.
A different solution is necessary.
Signed-off-by: Doug Berger <opendmb@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit says:
====================
net: phy: improve phy_driver callback handle_interrupt
did_interrupt() clears the interrupt, therefore handle_interrupt() can
not check which event triggered the interrupt. To overcome this
constraint and allow more flexibility for customer interrupt handlers,
let's decouple handle_interrupt() from parts of the phylib interrupt
handling. Custom interrupt handlers now have to implement the
did_interrupt() functionality in handle_interrupt() if needed.
Fortunately we have just one custom interrupt handler so far (in the
mscc PHY driver), convert it to the changed API and make use of the
benefits.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trigger the respective interrupt handler functionality only if the
related interrupt source bit is set.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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did_interrupt() clears the interrupt, therefore handle_interrupt() can
not check which event triggered the interrupt. To overcome this
constraint and allow more flexibility for customer interrupt handlers,
let's decouple handle_interrupt() from parts of the phylib interrupt
handling. Custom interrupt handlers now have to implement the
did_interrupt() functionality in handle_interrupt() if needed.
Fortunately we have just one custom interrupt handler so far (in the
mscc PHY driver), convert it to the changed API.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski says:
====================
ethtool: consolidate irq coalescing - last part
Convert remaining drivers following the groundwork laid in a recent
patch set [1] and continued in [2], [3], [4], [5]. The aim of
the effort is to consolidate irq coalescing parameter validation
in the core.
This set is the sixth and last installment. It converts the remaining
8 drivers in drivers/net/ethernet. The last patch makes declaring
supported IRQ coalescing parameters a requirement.
[1] https://lore.kernel.org/netdev/20200305051542.991898-1-kuba@kernel.org/
[2] https://lore.kernel.org/netdev/20200306010602.1620354-1-kuba@kernel.org/
[3] https://lore.kernel.org/netdev/20200310021512.1861626-1-kuba@kernel.org/
[4] https://lore.kernel.org/netdev/20200311223302.2171564-1-kuba@kernel.org/
[5] https://lore.kernel.org/netdev/20200313040803.2367590-1-kuba@kernel.org/
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that all in-tree drivers have been updated we can
make the supported_coalesce_params mandatory.
To save debugging time in case some driver was missed
(or is out of tree) add a warning when netdev is registered
with set_coalesce but without supported_coalesce_params.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver already correctly rejected all unsupported
parameters. No functional changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver already correctly rejected all unsupported
parameters. No functional changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver already correctly rejected all unsupported
parameters.
While at it remove unnecessary zeroing on get.
No functional changes.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Set ethtool_ops->supported_coalesce_params to let
the core reject unsupported coalescing parameters.
This driver did not previously reject unsupported parameters.
The check for use_adaptive_tx_coalesce will now be done by
the core.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Chris Packham says:
====================
net: mvmdio: avoid error message for optional IRQ
I've gone ahead an sent a revert. This is the same as the original v1 except
I've added Andrew's review to the commit message.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Per the dt-binding the interrupt is optional so use
platform_get_irq_optional() instead of platform_get_irq(). Since
commit 7723f4c5ecdb ("driver core: platform: Add an error message to
platform_get_irq*()") platform_get_irq() produces an error message
orion-mdio f1072004.mdio: IRQ index 0 not found
which is perfectly normal if one hasn't specified the optional property
in the device tree.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit e1f550dc44a4d535da4e25ada1b0eaf8f3417929.
platform_get_irq_optional() will still return -ENXIO when no interrupt
is provided so the additional error handling caused the driver prone to
fail when no interrupt was specified. Revert the change so we can apply
the correct minimal fix.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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New Chrome OS keyboards have a "snip" key that is basically a selective
screenshot (allows a user to select an area of screen to be copied).
Allocate a keycode for it.
Signed-off-by: Rajat Jain <rajatja@google.com>
Reviewed-by: Harry Cutts <hcutts@chromium.org>
Link: https://lore.kernel.org/r/20200313180333.75011-1-rajatja@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Do not allow forwarding of encapsulated traffic received from one eswtich's
uplink to another eswtich's uplink.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add dependencny on cap termination_table_raw_traffic to allow non
encapsulated packets received from uplink to be forwarded back to the
received uplink port.
Refactor the conditions into a separate function.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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