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We can bail out immediately also in case of PHY_IGNORE_INTERRUPT because
phy_mac_interupt() informs us once the link is up.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Avoid false sharing of cachelines by separating the cachelines of
TX stats that are dertied in xmit flow and in completion flow.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Prefer the linear SKB configuration of Legacy RQ over the
non-linear one of Striding RQ.
This implies that ConnectX-4 LX now uses legacy RQ by default,
as it does not support the linear configuration of Striding RQ.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Enhance the memory scheme of the legacy RQ, such that
only order-0 pages are used.
Whenever possible, prefer using a linear SKB, and build it
wrapping the WQE buffer.
Otherwise (for example, jumbo frames on x86), use non-linear SKB,
with as many frags as needed. In this case, multiple WQE
scatter entries are used, up to a maximum of 4 frags and 10KB of MTU.
This implied to remove support of HW LRO in legacy RQ, as it would
require large number of page allocations and scatter entries per WQE
on archs with PAGE_SIZE = 4KB, yielding bad performance.
In earlier patches, we guaranteed that all completions are in-order,
and that we use a cyclic WQ.
This creates an oppurtunity for a performance optimization:
The mapping between a "struct mlx5e_dma_info", and the
WQEs (struct mlx5e_wqe_frag_info) pointing to it, is constant
across different cycles of a WQ. This allows initializing
the mapping in the time of RQ creation, and not handle it
in datapath.
A struct mlx5e_dma_info that is shared between different WQEs
is allocated by the first WQE, and freed by the last one.
This implies an important requirement: WQEs that share the same
struct mlx5e_dma_info must be posted within the same NAPI.
Otherwise, upon completion, struct mlx5e_wqe_frag_info would mistakenly
point to the new struct mlx5e_dma_info, not the one that was posted
(and the HW wrote to).
This bulking requirement is actually good also for performance reasons,
hence we extend the bulk beyong the minimal requirement above.
With this memory scheme, the RQs memory footprint is reduce by a
factor of 2 on x86, and by a factor of 32 on PowerPC.
Same factors apply for the number of pages in a GRO session.
Performance tests:
ConnectX-4, single core, single RX ring, default MTU.
x86:
CPU: Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz
Packet rate (early drop in TC): no degradation
TCP streams: ~5% improvement
PowerPC:
CPU: POWER8 (raw), altivec supported
Packet rate (early drop in TC): 20% gain
TCP streams: 25% gain
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Now that LRO is not supported for Legacy RQ, there is no source of
out-of-order completions in the WQ, and we can use a cyclic one.
This has multiple advantages:
- reduces the WQE size (smaller PCI transactions).
- lower overhead in datapath (no handling of 'next' pointers).
- no reserved WQE for the WQ head (was need in linked-list).
- allows using a constant map between frag and dma_info struct, in downstream patch.
Performance tests:
ConnectX-4, single core, single RX ring.
Major gain in packet rate of single ring XDP drop.
Bottleneck is shifted form HW (at 16Mpps) to SW (at 20Mpps).
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Replace the common RQ WQ object with two separate ones for the
different RQ types.
This is in preparation for switching to using a cyclic WQ type
in Legacy RQ.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Current LRO implementation in Legacy RQ uses high-order pages.
In downstream patches of this series we complete the transition
to using only order-0 pages in RX datapath (which was already done
in Striding RQ).
Unlike the more advanced Striding RQ, Legacy RQ does not make reuse
of any non-consumed buffers of non-full LRO sessions, and combining
it with order-0 pages has many performance drawbacks.
Hence, here we totally remove LRO support in Legacy RQ.
This guarantees having no out-of-order completions, which allows using
a cyclic work queue (instead of a linked-list) in a downstream patch.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Get the logic of copying the packet header into the SKB linear part
into a generic function. Function does copy length alignment
and dma buffer sync.
It is currently called only within the MPWQE flow.
In a downstream patch, it will be called within the legacy RQ flow
as well.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Rename it and pass truesize as an extra argument, as it will be used also
in Legacy RQ in a downstream patch.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Make name more generic by dropping MPWRQ from it, as it will be
used also in Legacy RQ in a downstream patch.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Instead of maintaining a local copy of skb->len/data and updating
it upon every copy to the WQE inline part, just calculate it once
when needed, using the ihs.
This obsoletes the function mlx5e_tx_skb_pull_inline.
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add handlers for this event to perform graceful teardown of the device.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The representor MTU was hard coded to 1500 bytes.
Allow setting arbitrary MTU values up to the max supported by the FW.
Signed-off-by: Adi Nissim <adin@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Increase the aRFS flow table size to 64k so it could contain up to 64k
different streams.
Signed-off-by: Maor Gottlieb <maorg@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Now, when all channels stats are saved regardless of the channel's state
{open, closed}, we can safely remove this indication and the stats spin
lock which protects it.
Fixes: 76c3810bade3 ("net/mlx5e: Avoid reset netdev stats on configuration changes")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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The driver can present all SW stats even when the state not opened.
Fixed get strings, count and stats to support it.
In addition, fix tc2txq to hold a static mapping which doesn't depend on
the amount of open channels, and cannot have the same value on two
different cells while moving between configurations.
Example:
- OOB 16 channels
- Change to 2 channels, 8 TCs
- tc2txq[15][0] == tc2txq[1][7] == 15
This will cause multiple appearances of the same TX index in statistics
output.
Fixes: 76c3810bade3 ("net/mlx5e: Avoid reset netdev stats on configuration changes")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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A call to mlx5e_tx_skb_pull_inline was mistakenly dropped
in the cited patch. Get it back.
Fixes: 043dc78ecf07 ("net/mlx5e: TX, Use actual WQE size for SQ edge fill")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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IPoIB WQE size is larger than a single WQEBB. Must not fetch the WQE,
and surely not memset it, until it is guaranteed that there are enough
WQEBBs available before getting to SQ/frag edge.
Fixes: 043dc78ecf07 ("net/mlx5e: TX, Use actual WQE size for SQ edge fill")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In the update flow of the new PF driver, if a multicast address is in mta
table, the VF deletion action will not take effect.
This patch adds the VF adaptation according to the new flow of PF'driver.
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the current process, the multicast MAC is added to both MAC_VLAN
table and MTA table, this will reduce the utilization of the resource.
This patch improves the process of adding multicast MAC address, the
new process starts using the MTA table to add multicast MAC after the
MAC_VLAN table is full, and the MTA is disable if it is no longer used.
Signed-off-by: Xi Wang <wangxi11@huawei.com>
Reviewed-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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when skb->encapsulation is 0, skb->ip_summed is CHECKSUM_PARTIAL
and it is udp packet, which has a dest port as the IANA assigned.
the hardware is expected to do the checksum offload, but the
hardware will not do the checksum offload when udp dest port is
4789.
This patch fixes it by doing the checksum in software.
Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a break missing in the switch/case handling in
hclge_misc_irq_handle, which causes the log to output
uncorrectly.
This patch adds the missing break, and change the dev_dbg
to dev_warn in order to better catch the error.
Fixes: c1a81619d73a ("net: hns3: Add mailbox interrupt handling to PF driver")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When resetting, phy_state_machine may be accessing the phy through
firmware if the phy is not stopped or disconnected, which will
cause firemware timeout problem because the firmware is busy
processing the reset request.
This patch fixes it by disabling the phy when resetting.
Fixes: b940aeae0ed6 ("net: hns3: never send command queue message to IMP when reset")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When hardware sends the HCLGE_VECTOR0_EVENT_RST event through
hclge_misc_irq_handle, currently driver enables misc_vector in
the interrupt handle, and hardware generates the same interrupt
for the same reset event again and again until the reset is
complete, which causes hclge_reset running repeatly problem.
This patch fixes by enabling the misc_vector after reset is
complete.
Fixes: 4ed340ab8f49 ("net: hns3: Add reset process in hclge_main")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When hclge_ae_stop is called during resetting, it will cancel the
service_task by calling cancel_work_sync, which may cause the
service_task to exit without clearing HCLGE_STATE_SERVICE_SCHED
bit. If this happens, the service_task will never run again.
This patch fixes this problem by clearing it after calling
cancel_work_sync in hclge_ae_stop.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When doing function reset or insmod hns3 dirver after rmmod,
the entries of mac vlan table are not cleared, which may cause
init mac address failed. This patch fixes it by clearing the
old mac address when doing function reset or rmmod hns3 driver.
Fixes: 76ad4f0ee747 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add checking for new mac address. It doesn't need to config
the mac vlan table if it's already in use.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds support for IFF_ALLMULTI flag to HNS3 PF and VF
driver.
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is only 128 entries for hardware's vf vlan table, when
the vf table is full, the firmware will disable the vf vlan
filter and return a resp_code of HCLGE_VF_VLAN_NO_ENTRY to
driver.
This patch checks the if resp_code from firmware is
HCLGE_VF_VLAN_NO_ENTRY, if yes, then print a warning and
return ok to the caller.
Fixes: 46a3df9f9718 ("net: hns3: Add HNS3 Acceleration Engine & Compatibility Layer Support")
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As the mvpp2 driver is growing, move this driver to a dedicated
directory and split it into several files.
Since this driver has a lot of register defines and structure
definitions, it can benefit from having all of this into a dedicated
header file, named mvpp2.h.
A good chunk of the mvpp2 code is dedicated to Header Parser handling, so
we introduce mvpp2_prs.h where all Header Parser definitions are located,
and mvpp2_prs.c containing the related code.
In the same way, mvpp2_cls.h and mvpp2_cls.c are created to contain
Classifier and RSS related code.
The former 'mvpp2.c' file is renamed 'mvpp2_main.c' so that we can keep
the driver binary named 'mvpp2'.
This commit is only about spliting the driver into multiple files and
doesn't introduce any new function, feature or fix besides removing
'static' keywords when needed.
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Tested-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix to return a negative error code from the failover create fail error
handling case instead of 0, as done elsewhere in this function.
Fixes: ba5e4426e80e ("virtio_net: Extend virtio to use VF datapath when available")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make it explicit that either device tree is used or platform data. If
neither is available, abort the probe.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 877b7cb0b6f2 ("net: dsa: mv88e6xxx: Add minimal platform_data support")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On platforms that don't always enable CONFIG_GPIOLIB, we run into
a build failure:
drivers/net/ethernet/ti/cpsw.c: In function 'cpsw_probe':
drivers/net/ethernet/ti/cpsw.c:3006:9: error: implicit declaration of function 'devm_gpiod_get_array_optional' [-Werror=implicit-function-declaration]
mode = devm_gpiod_get_array_optional(&pdev->dev, "mode", GPIOD_OUT_LOW);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/ti/cpsw.c:3006:59: error: 'GPIOD_OUT_LOW' undeclared (first use in this function); did you mean 'GPIOF_INIT_LOW'?
mode = devm_gpiod_get_array_optional(&pdev->dev, "mode", GPIOD_OUT_LOW);
Since we cannot rely on this to be visible from gpio.h, we have to include
gpio/consumer.h directly.
Fixes: 2652113ff043 ("net: ethernet: ti: Allow most drivers with COMPILE_TEST")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The FPGA queue pair (QP) event fires whenever a QP on the FPGA
transitions to the error state.
At this stage, this event is unrecoverable, it may become recoverable
in the future.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Temperature warning event is sent by FW to indicate high temperature
as detected by one of the sensors on the board.
Add handling of this event by writing the numbers of the alert sensors
to the kernel log.
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add FORCE_PAUSE bit to force local pause settings instead
of using auto negotiated values.
Signed-off-by: Santosh Rastapur <santosh@chelsio.com>
Signed-off-by: Casey Leedom <leedom@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since there's no special support for the bridge events, the driver
returns -EOPNOTSUPP, and thus the commit never happens. Therefore
schedule respin during the prepare stage: there's no real difference one
way or another.
This fixes the problem that mirror-to-gretap offload wouldn't adapt to
changes in bridge vlan configuration right away and another notification
would have to arrive for mlxsw to catch up.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A follow-up patch enables emitting VLAN notifications for the bridge CPU
port in addition to the existing slave port notifications. These
notifications have orig_dev set to the bridge in question.
Because there's no specific support for these VLANs, just ignore the
notifications to maintain the current behavior.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds driver changes for capturing the link change count in
ethtool statistics display.
Please consider applying this to "net-next".
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: Ariel Elior <ariel.elior@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5e-updates-2018-05-29
This series includes mlx5 FPGA and mlx5e netdevice updates:
1) Print FPGA info such as device name, vendor id, etc.., from Ilan Tayari.
2) Abort FPGA if some essential capabilities are not supported, from Yevgeny Kliteynik.
3) Two FPGA dma related minor fixes, from Ilya Lesokhin.
4) Use the right table to report offloaded TC rules, from Or Gerlitz.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove and coalesce formats when there is an unnecessary
character after a logging newline. These extra characters
cause logging defects.
Miscellanea:
o Coalesce formats
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test-building this driver on targets without CONFIG_OF revealed a build
failure:
drivers/net/ethernet/ti/davinci_mdio.c: In function 'davinci_mdio_probe':
drivers/net/ethernet/ti/davinci_mdio.c:380:9: error: implicit declaration of function 'davinci_mdio_probe_dt'; did you mean 'davinci_mdio_probe'? [-Werror=implicit-function-declaration]
This adjusts the #ifdef logic in the driver to make it build in
all configurations.
Fixes: 2652113ff043 ("net: ethernet: ti: Allow most drivers with COMPILE_TEST")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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While compile-testing on arm64 with gcc-8.1, I ran into a build diagnostic:
drivers/net/ethernet/freescale/fec_main.c: In function 'fec_probe':
drivers/net/ethernet/freescale/fec_main.c:3517:25: error: '%d' directive writing between 1 and 10 bytes into a region of size 5 [-Werror=format-overflow=]
sprintf(irq_name, "int%d", i);
^~
drivers/net/ethernet/freescale/fec_main.c:3517:21: note: directive argument in the range [0, 2147483646]
sprintf(irq_name, "int%d", i);
^~~~~~~
drivers/net/ethernet/freescale/fec_main.c:3517:3: note: 'sprintf' output between 5 and 14 bytes into a destination of size 8
sprintf(irq_name, "int%d", i);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
It appears this has never shown on ppc32 or arm32 for an unknown reason, but
now gcc fails to identify that the 'irq_cnt' loop index has an upper bound
of 3, and instead uses a bogus range.
To work around the warning, this changes the sprintf to snprintf with the
correct buffer length.
Fixes: 78cc6e7ef957 ("net: ethernet: freescale: Allow FEC with COMPILE_TEST")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As we keep the offloaded TC rules for NIC and e-switch in two different
places, make sure to return the number of offloaded flows according
to the use-case and not blindly from the priv.
Fixes: 655dc3d2b91b ('net/mlx5e: Use shared table for offloaded TC eswitch flows')
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reported-by: Paul Blakey <paulb@mellanox.com>
Reviewed-by: Paul Blakey <paulb@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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When mlx5_fpga_conn_unmap_buf is called buf->sg[0].size
should equal the actual buffer size, not the message size.
Otherwise we will trigger the following dma debug warning
"DMA-API: device driver frees DMA memory with different size"
Fixes: 537a50574175 ('net/mlx5: FPGA, Add high-speed connection routines')
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Properly initialize dma direction on fpga conn send.
Do not rely on dma_dir == 0 (DMA_BIDIRECTIONAL).
Signed-off-by: Ilya Lesokhin <ilyal@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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In the case that the reported max number of QPs capability
equals to zero, abort FPGA init.
Signed-off-by: Yevgeny Kliteynik <kliteyn@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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Add print of the following values on init:
1. ieee vendor id
2. sandbox product id
3. sandbox product version
Signed-off-by: Ilan Tayari <ilant@mellanox.com>
Signed-off-by: Adi Nissim <adin@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
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