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We are going to enable FDIR configure for AVF through virtual channel.
The first step is to add helper functions to support control VSI setup.
A control VSI will be allocated for a VF when AVF creates its
first FDIR rule through ice_vf_ctrl_vsi_setup().
The patch will also allocate FDIR rule space for VF's control VSI.
If a VF asks for flow director rules, then those should come entirely
from the best effort pool and not from the guaranteed pool. The patch
allow a VF VSI to have only space in the best effort rules.
Signed-off-by: Xiaoyun Li <xiaoyun.li@intel.com>
Signed-off-by: Yahui Cao <yahui.cao@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Separate IPv4 and IPv6 ptype bit mask table into 2 tables:
with or without L4 protocols.
When a flow filter without any l4 type is specified, the
ICE_FLOW_SEG_HDR_IPV_OTHER flag can be used to describe if user
want to create a IP rule target for all IP packet or just IP
packet without l4 header.
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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To apply different input set for GTP-U packet with or without extend
header as well as GTP-U uplink and downlink, we need to add TCAM mask
matching capability. This allows comprehending different PTYPE
attributes by examining flags from the parser. Using this method,
different profiles can be used by examining flag values from the parser.
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add more protocol support in flow filter, these
include PPPoE, L2TPv3, GTP, PFCP, ESP and AH.
Signed-off-by: Ting Xu <ting.xu@intel.com>
Signed-off-by: Yahui Cao <yahui.cao@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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To support FDIR input set with protocol field like DSCP, TTL,
PROT, etc. which is not word aligned, we need to enable field
vector masking.
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Add more protocol and field support for flow filter include:
ETH, VLAN, ICMP, ARP and TCP flag.
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
Tested-by: Chen Bo <BoX.C.Chen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This reverts commit e9bf96943b408e6c99dd13fb01cb907335787c61.
The topic of the reverted patch is the support for switches with global
VLAN filtering, added by commit 061f6a505ac3 ("net: dsa: Add
ndo_vlan_rx_{add, kill}_vid implementation"). Be there a switch with 4
ports swp0 -> swp3, and the following setup:
ip link add br0 type bridge vlan_filtering 1
ip link set swp0 master br0
ip link set swp1 master br0
What would happen with VLAN-tagged traffic received on standalone ports
swp2 and swp3? Well, it would get dropped, were it not for the
.ndo_vlan_rx_add_vid and .ndo_vlan_rx_kill_vid implementations (called
from vlan_vid_add and vlan_vid_del respectively). Basically, for DSA
switches where VLAN filtering is a global attribute, we enforce the
standalone ports to have 'rx-vlan-filter: off [fixed]' in their ethtool
features, which lets the user know that all VLAN-tagged packets that are
not explicitly added in the RX filtering list are dropped.
As for the sja1105 driver, at the time of the reverted patch, it was
operating in a pretty handicapped mode when it had ports under a bridge
with vlan_filtering=1. Specifically, it was unable to terminate traffic
through the CPU port (for further explanation see "Traffic support" in
Documentation/networking/dsa/sja1105.rst).
However, since then, the sja1105 driver has made considerable progress,
and that limitation is no longer as severe now. Specifically, since
commit 2cafa72e516f ("net: dsa: sja1105: add a new
best_effort_vlan_filtering devlink parameter"), the driver is able to
perform CPU termination even when some ports are under bridges with
vlan_filtering=1. Then, since commit 8841f6e63f2c ("net: dsa: sja1105:
make devlink property best_effort_vlan_filtering true by default"), this
even became the default operating mode.
So we can now take advantage of the logic in the DSA core.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for the ethtool get_ringparam operation.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix/expand some comments in "ipa_data.h".
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only program the sequencer type for TX endpoints. So move the
definition of the sequencer type fields into the TX-specific portion
of the endpoint configuration data. There's no need to maintain
this in the IPA structure; we can extract it from the configuration
data it points to in the one spot it's needed.
We previously specified the sequencer type for RX endpoints with
INVALID values. These are no longer needed, so get rid of them.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An IPA endpoint has a sequencer that must be configured based on how
the endpoint is to be used. Currently the IPA code programs the
sequencer type by splitting a value into four 4-bit nibbles. Doing
that doesn't really add much value, and regardless, a better way of
splitting the sequencer type is into two halves--the lower byte
describing how normal packet processing is handled, and the next
byte describing information about processing replicas.
So split the sequencer type into two sub-parts: the sequencer type
and the replication sequencer type. Define the values supported for
the "main" sequencer type, and define the values supported for the
replication part separately.
In addition, the sequencer type names are quite verbose, encoding
what the type includes, but also what it *excludes*. Rename the
sequencer types in a way that mainly describes the number of passes
that a packet takes through the IPA processing pipeline, and how
many of those passes end by supplying the processed packet to the
microprocessor.
The result expands the supported types beyond what is required for
now, but simplifies the way these are defined.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Starting with IPA v4.0, a limit is placed on the number of bytes
outstanding in a transaction, to reduce latency. The limit is
imposed only if this value is non-zero.
We don't use a non-zero value for SC7180, but newer versions of IPA
do. Prepare for that by allowing a programmed value to be specified
in the platform configuration data.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the QSB configuration data in ipa_hardware_config_qsb(), rather
than determining in code what values to use based on IPA version.
Pass configuration data to ipa_hardware_config() so it can be passed
to ipa_hardware_config_qsb().
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
1GbE Intel Wired LAN Driver Updates 2021-03-19
This series contains updates to igc and e1000e drivers.
Sasha removes unused defines in igc driver.
Jiapeng Zhong changes bool assignments from 0/1 to false/true for igc.
Wei Yongjun marks e1000e_pm_prepare() as __maybe_unused to resolve a
defined but not used warning under certain configurations.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function e1000e_pm_prepare() may have no callers depending
on configuration, so it must be marked __maybe_unused to avoid
harmless warning:
drivers/net/ethernet/intel/e1000e/netdev.c:6926:12:
warning: 'e1000e_pm_prepare' defined but not used [-Wunused-function]
6926 | static int e1000e_pm_prepare(struct device *dev)
| ^~~~~~~~~~~~~~~~~
Fixes: ccf8b940e5fd ("e1000e: Leverage direct_complete to speed up s2ram")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Fix the following coccicheck warnings:
./drivers/net/ethernet/intel/igc/igc_main.c:4961:2-14: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4955:2-14: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4933:1-13: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4592:1-24: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4438:2-25: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4396:2-25: WARNING:
Assignment of 0/1 to bool variable.
./drivers/net/ethernet/intel/igc/igc_main.c:4018:2-25: WARNING:
Assignment of 0/1 to bool variable.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Zhong <abaci-bugfix@linux.alibaba.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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MII_CR_LOOPBACK masks not in use in i225 device and can be removed.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Force PHY speed not supported for i225 devices.
MII_CR_SPEED masks not in use in i225 device and can be removed.
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Define the maximum number of reads and writes to configure for the
QSB masters used for IPA in configuration data.
We don't use these values yet; the next commit takes care of that.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are several memory regions that are defined starting with IPA
v4.0, but which were not used for the SC7180 SoC (IPA v4.2). Even
though they're not used (yet), define them so they are ready to be
used for SoCs when they become supported.
There are two QUOTA statistics memory regions, one for the modem and
one for the AP. Define distinct names for these regions, and get
rid of the definition of IPA_MEM_STATS_QUOTA.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The AP_HEADER memory region for both the SDM845 and SC7180 SoCs has
zero size, and has no canaries. Defining an offset for such a
zero-length region is not meaningful, so it's better not to define
it at all. The size of this region is used in the code, but its
value will still be zero because the memory regions are defined in
statically initialized memory.
For the SC7180, the STATS_DROP memory region has a zero size and no
canaries as well.
These regions are the only place where a zero-sized region is
defined despite having no canaries. Remove them.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There should be no canary values written before the beginning of the
UC_INFO memory region. This was correct for SDM845, but somehow was
committed with the wrong value for SC7180.
This bug seems to cause no harm, so we'll just correct it without
back-porting.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of the platform configuration data should be constant, but
that isn't the case for the memory regions, interconnects, and
clocks. Fix this.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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MII_CR_RESET mask not in use in i225 device and can be removed
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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This patch releases coma mode for VSC8584 as done for VSC8514 in
commit ca0d7fd0a58d ("net: phy: mscc: coma mode disabled for VSC8514")
Fixes: a5afc1678044a ("net: phy: mscc: add support for VSC8584 PHY.")
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduced 'FOJI' serdes calibration in commit 85e97f0b984e
("net: phy: mscc: improved serdes calibration applied to VSC8514")
Now including the VSC8584 family.
Fixes: a5afc1678044a ("net: phy: mscc: add support for VSC8584 PHY.")
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Introduced LCPLL reset in
commit d15e08d9fb82 ("net: phy: mscc: adding LCPLL reset to VSC8514").
Now applying this reset to the VSC8584 phy familiy.
Fixes: a5afc1678044a ("net: phy: mscc: add support for VSC8584 PHY.")
Signed-off-by: Bjarni Jonasson <bjarni.jonasson@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael reports that after the blamed patch, unbinding a VF would cause
these transactions to remain pending, and trigger some warnings with the
DMA API debug:
$ echo 1 > /sys/bus/pci/devices/0000\:00\:00.0/sriov_numvfs
pci 0000:00:01.0: [1957:ef00] type 00 class 0x020001
fsl_enetc_vf 0000:00:01.0: Adding to iommu group 19
fsl_enetc_vf 0000:00:01.0: enabling device (0000 -> 0002)
fsl_enetc_vf 0000:00:01.0 eno0vf0: renamed from eth0
$ echo 0 > /sys/bus/pci/devices/0000\:00\:00.0/sriov_numvfs
DMA-API: pci 0000:00:01.0: device driver has pending DMA allocations while released from device [count=1]
One of leaked entries details: [size=2048 bytes] [mapped with DMA_BIDIRECTIONAL] [mapped as coherent]
WARNING: CPU: 0 PID: 2547 at kernel/dma/debug.c:853 dma_debug_device_change+0x174/0x1c8
(...)
Call trace:
dma_debug_device_change+0x174/0x1c8
blocking_notifier_call_chain+0x74/0xa8
device_release_driver_internal+0x18c/0x1f0
device_release_driver+0x20/0x30
pci_stop_bus_device+0x8c/0xe8
pci_stop_and_remove_bus_device+0x20/0x38
pci_iov_remove_virtfn+0xb8/0x128
sriov_disable+0x3c/0x110
pci_disable_sriov+0x24/0x30
enetc_sriov_configure+0x4c/0x108
sriov_numvfs_store+0x11c/0x198
(...)
DMA-API: Mapped at:
dma_entry_alloc+0xa4/0x130
debug_dma_alloc_coherent+0xbc/0x138
dma_alloc_attrs+0xa4/0x108
enetc_setup_cbdr+0x4c/0x1d0
enetc_vf_probe+0x11c/0x250
pci 0000:00:01.0: Removing from iommu group 19
This happens because stupid me moved enetc_teardown_cbdr outside of
enetc_free_si_resources, but did not bother to keep calling
enetc_teardown_cbdr from all the places where enetc_free_si_resources
was called. In particular, now it is no longer called from the main
unbind function, just from the probe error path.
Fixes: 4b47c0b81ffd ("net: enetc: don't initialize unused ports from a separate code path")
Reported-by: Michael Walle <michael@walle.cc>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Michael Walle <michael@walle.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a spelling mistake in an error message. Fix it.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
Fixes: d8ce30e0cf76 ("octeontx2-pf: add tc flower stats handler for hw offloads")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use the lower_32_bits/upper_32_bits macros to simplify the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c: In function ‘mgmt_recv_msg_handler’:
drivers/net/ethernet/huawei/hinic/hinic_hw_mgmt.c:443:18: warning: unused variable ‘pdev’ [-Wunused-variable]
443 | struct pci_dev *pdev = pf_to_mgmt->hwif->pdev;
| ^~~~
Signed-off-by: David S. Miller <davem@davemloft.net>
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Usage of strlcpy in linux kernel has been recently
deprecated[1], so convert hinic driver to strscpy
[1] https://lore.kernel.org/lkml/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL
=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Daode Huang <huangdaode@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a duplicate "the" in the comment, so delete it.
Signed-off-by: Daode Huang <huangdaode@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There should be a blank line after declarations, so just add it.
Signed-off-by: Daode Huang <huangdaode@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch removes unnecessary out of memory message in hinic driver,
fixes the following checkpatch.pl warning:
"WARNING: Possible unnecessary 'out of memory' message"
Signed-off-by: Daode Huang <huangdaode@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Using napi_alloc_skb in NAPI context avoids enable/disable IRQs, which
increases iperf3 result by a few Mbps. Since napi_alloc_skb() uses
NET_IP_ALIGN, convert other alloc methods to the same padding. Tested
on Intel Core2 and AMD K10 platforms.
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Changing to napi_gro_receive() improves efficiency significantly. Tested
on Intel Core2-based motherboards and iperf3.
Signed-off-by: Sieng Piaw Liew <liew.s.piaw@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Here is what Vladimir says about it:
at803x_aneg_done() keeps the aneg reporting as "not done" even when
the copper-side link was reported as up, but the in-band autoneg has
not finished.
That was the _intended_ behavior when that code was introduced, and
Heiner have said about it [1]:
| That's not nice from the PHY:
| It signals "link up", and if the system asks the PHY for link details,
| then it sheepishly says "well, link is *almost* up".
If the specification of phy_aneg_done behavior does not include
in-band autoneg (and it doesn't), then this piece of code does not
belong here.
The fact that we can no longer trigger this code from phylib is yet
another reason why it fails at its intended (and wrong) purpose and
should be removed.
Removing the SGMII link check, would just keep the call to
genphy_aneg_done(), which is also the fallback. Thus we can just remove
at803x_aneg_done() altogether.
[1] https://lore.kernel.org/netdev/fdf0074a-2572-5914-6f3e-77202cbf96de@gmail.com/
Suggested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Michael Walle <michael@walle.cc>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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s/serisouly/seriously/
...and the sentence construction.
Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't destroy the adminq while there is an outstanding request.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Up to now we've been ignoring any error return from the
queue starting in the link status check, so we fix that here.
If the driver had to reset and couldn't get things running
properly again, for example after a Tx Timeout and the FW is
not responding to commands, don't let the link watchdog try
to restart the queues. At this point the user can try to DOWN
and UP the device to clear the errors.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Block some actions while the FW is in a reset activity
and the queues are not configured.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support in get_link_ksettings for a couple of
new BASET connections.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We can get to the counter without going through the pointer
that the robot complained about.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The qcq->intr.index was set when the queue was allocated,
there is no need to reach around to find it.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Catch a couple of missing macro name uses, fix a couple
of misspellings, etc.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ocelot switches are a bit odd in that they do not have an STP state
to put the ports into. Instead, the forwarding configuration is delayed
from the typical port_bridge_join into stp_state_set, when the port enters
the BR_STATE_FORWARDING state.
I can only guess that the implementation of this quirk is the reason that
led to the simplification of the driver such that only one bridge could
be offloaded at a time.
We can simplify the data structures somewhat, and introduce a per-port
bridge device pointer and STP state, similar to how the LAG offload
works now (there we have a per-port bonding device pointer and TX
enabled state). This allows offloading multiple bridges with relative
ease, while still keeping in place the quirk to delay the programming of
the PGIDs.
We actually need this change now because we need to remove the bogus
restriction from ocelot_bridge_stp_state_set that ocelot->bridge_mask
needs to contain BIT(port), otherwise that function is a no-op.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When a MRP ring was deleted or disabled, the driver was iterating over
the ports to detect if any other MPR rings exists and in case it didn't
exist it would delete the MAC table entry. But the problem was that it
used the last iterated port to delete the MAC table entry and this could
be a NULL port.
The fix consists of using the port on which the function was called.
Fixes: 7c588c3e96e9733a ("net: ocelot: Extend MRP")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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closes
When a virtual LAPB device's underlying Ethernet device closes, the LAPB
device is also closed.
However, currently the LAPB device is closed after the Ethernet device
closes. It would be better to close it before the Ethernet device closes.
This would allow the LAPB device to transmit a last frame to notify the
other side that it is disconnecting.
Signed-off-by: Xie He <xie.he.0141@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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