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The audience for the Kernel driver-model is clearly Kernel hackers.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> # ice driver changes
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core and debugfs updates from Greg KH:
"Here is the "big" driver core and debugfs changes for 5.3-rc1
It's a lot of different patches, all across the tree due to some api
changes and lots of debugfs cleanups.
Other than the debugfs cleanups, in this set of changes we have:
- bus iteration function cleanups
- scripts/get_abi.pl tool to display and parse Documentation/ABI
entries in a simple way
- cleanups to Documenatation/ABI/ entries to make them parse easier
due to typos and other minor things
- default_attrs use for some ktype users
- driver model documentation file conversions to .rst
- compressed firmware file loading
- deferred probe fixes
All of these have been in linux-next for a while, with a bunch of
merge issues that Stephen has been patient with me for"
* tag 'driver-core-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (102 commits)
debugfs: make error message a bit more verbose
orangefs: fix build warning from debugfs cleanup patch
ubifs: fix build warning after debugfs cleanup patch
driver: core: Allow subsystems to continue deferring probe
drivers: base: cacheinfo: Ensure cpu hotplug work is done before Intel RDT
arch_topology: Remove error messages on out-of-memory conditions
lib: notifier-error-inject: no need to check return value of debugfs_create functions
swiotlb: no need to check return value of debugfs_create functions
ceph: no need to check return value of debugfs_create functions
sunrpc: no need to check return value of debugfs_create functions
ubifs: no need to check return value of debugfs_create functions
orangefs: no need to check return value of debugfs_create functions
nfsd: no need to check return value of debugfs_create functions
lib: 842: no need to check return value of debugfs_create functions
debugfs: provide pr_fmt() macro
debugfs: log errors when something goes wrong
drivers: s390/cio: Fix compilation warning about const qualifiers
drivers: Add generic helper to match by of_node
driver_find_device: Unify the match function with class_find_device()
bus_find_device: Unify the match callback with class_find_device
...
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One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
size = sizeof(struct foo) + count * sizeof(struct boo);
instance = alloc(size, GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
size = struct_size(instance, entry, count);
This code was detected with the help of Coccinelle.
Signed-off-by: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Convert the various documents at the driver-model, preparing
them to be part of the driver-api book.
The conversion is actually:
- add blank lines and identation in order to identify paragraphs;
- fix tables markups;
- add some lists markups;
- mark literal blocks;
- adjust title markups.
At its new index.rst, let's add a :orphan: while this is not linked to
the main index.rst file, in order to avoid build warnings.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> # ice
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Instead of using a local define for the LLDP ethertype, use the kernel
define ETH_P_LLDP.
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch mostly capitalizes abbreviations in code comments. Fixed some
typos and removed some unnecessary newlines as well.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In ice_print_link_msg, add cases for 50GB and 100GB speeds. This
results in the right speed being reported on load, instead of
"Unknownbps".
When VF link if forced (in ice_set_pfe_link_forced), report
max speed 100GB.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Replace the use of the ICE_DBG_AQ_MSG bit when dumping firmware logging
messages with a separate distinct type ICE_DBG_FW_LOG. This is useful
so that developers may enable ICE_DBG_FW_LOG and get firmware logging
messages, without also dumping AdminQ messages at the same time.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add some details to the function header for ice_deinit_hw.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The define describing the bits for the struct field should be below
the field itself.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The current specification has updates to the command formats for
manage MAC opcodes (opcodes 0x0107 and 0x0108) and get PHY caps
(opcode 0x0600). Update the code to reflect this.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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For style consistency, use continue instead of an else block in
ice_pf_dcb_recfg.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Change minimum number of descriptor count from 32 to 64. This is to have
a feature parity with previous Intel NIC drivers.
Signed-off-by: Preethi Banala <preethi.banala@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add call to configure dropping egress LLDP packets in ice_vsi_setup
and remove the rule in ice_vsi_release.
Add calls to add/remove rule to route LLDP packets to default VSI when
FW LLDP engine is disabled/enabled and remove rule if applied during
ice_vsi_release.
In the function ice_add_eth_mac(), there is a line that hard codes the
filter info flag to TX. This is incorrect as this flag will be set by
the calling function that built the list of filters to add. So remove
the hard coded value.
This patch also contains a fix to stop treating the DCBx state of
"Not Started" as an error state that kicks DCB in SW mode. This will
address having non-cabled interfaces automatically go into SW mode
with the FW engine running.
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Do not allocate memory for the Get PHY Abilities command data buffer when
it is not necessary, change one local variable to another to reduce the
number of de-references, reduce the scope of some local variables, and
reorder the code and change exit points to get rid of an unnecessary goto
label.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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ice_cfg_vsi_lan returns a value of type enum ice_status. So
use a local of the same type to capture the return value.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds driver support for Forward Error Correction (FEC)
and ethtool handlers to set/get FEC params.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add support for virtchnl_vector_map.[rxq|txq]_map to use bitmap to
associate indicated queues with the specified vector. This support is
needed since the Windows AVF driver calls VIRTCHNL_OP_CONFIG_IRQ_MAP for
each vector and used the bitmap to indicate the associated queues.
Updated ice_vc_dis_qs_msg to not subtract one from
virtchnl_irq_map_info.num_vectors, and changed the VSI vector index to
the vector id. This change supports the Windows AVF driver which maps
one vector at a time and sets num_vectors to one. Using vectors_id to
index the vector array .
Add check for vector_id zero, and return VIRTCHNL_STATUS_ERR_PARAM
if vector_id is zero and there are rings associated with that vector.
Vector_id zero is for the OICR.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Consolidate adding unicast and broadcast MAC filters in a single new
function ice_init_mac_fltr.
Move ice_napi_del to ice_lib.c
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently in ice_free_vf_res() we are writing to the VFINT_DYN_CTLN
register in the PF's function space to disable all VF's interrupts. This
is incorrect because this register is only for use in the VF's function
space. This becomes obvious when seeing that the valid indices used for
the VFINT_DYN_CTLN register is from 0-63, which is the maximum number of
interrupts for a VF (not including the OICR interrupt). Fix this by
writing to the GLINT_DYN_CTL register for each VF. We can do this
because we keep track of each VF's first_vector_idx inside of the PF's
function space and the number of interrupts given to each VF.
Also in ice_free_vfs() we were disabling Rx/Tx queues after calling
pci_disable_sriov(). One part of disabling the Tx queues causes the PF
driver to trigger a software interrupt, which causes the VF's napi
routine to run. This doesn't currently work because pci_disable_sriov()
causes iavf_remove() to be called which disables interrupts. Fix this by
disabling Rx/Tx queues prior to pci_disable_sriov().
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add a new function ice_trigger_sw_intr to trigger interrupts.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Call ice_vsi_cfg_rss_lut_key only if RSS is enabled.
Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In order to initialize the current status of the FW logging,
this patch adds ice_get_fw_log_cfg. The function retrieves
the current setting of the FW logging from HW and updates the
ice_hw structure accordingly.
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Remove duplicate define for ICE_INVAL_Q_HANDLE. Move defines to the
top of the file.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In the path for re-enabling FW LLDP engine, there is
a call to register for LLDP MIB change events. This
call is redundant, in that the call to ice_pf_dcb_cfg
will already register the driver for these events. Also,
the call as it stands now is too early in the flow before
before DCB is configured.
Remove the redundant call.
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Change the message level of the MTU change log message from debug to
info.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Don't use the mdd_detected variable as an exit condition for this loop;
the first VF to NOT have an MDD event will cause the loop to terminate.
Instead just look at all of the VFs, but don't disable them. This
prevents proper release of resources if the VFs are rebooted or the VF
driver reloaded. Instead, just log a message and call out repeat
offenders.
To make it clear what we are doing, use a differently-named variable in
the loop.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently we have two MSI-x (IRQ) trackers, one for OS requested MSI-x
entries (sw_irq_tracker) and one for hardware MSI-x vectors
(hw_irq_tracker). Generally the sw_irq_tracker has less entries than the
hw_irq_tracker because the hw_irq_tracker has entries equal to the max
allowed MSI-x per PF and the sw_irq_tracker is mainly the minimum (non
SR-IOV portion of the vectors, kernel granted IRQs). All of the non
SR-IOV portions of the driver (i.e. LAN queues, RDMA queues, OICR, etc.)
take at least one of each type of tracker resource. SR-IOV only grabs
entries from the hw_irq_tracker. There are a few issues with this approach
that can be seen when doing any kind of device reconfiguration (i.e.
ethtool -L, SR-IOV, etc.). One of them being, any time the driver creates
an ice_q_vector and associates it to a LAN queue pair it will grab and
use one entry from the hw_irq_tracker and one from the sw_irq_tracker.
If the indices on these does not match it will cause a Tx timeout, which
will cause a reset and then the indices will match up again and traffic
will resume. The mismatched indices come from the trackers not being the
same size and/or the search_hint in the two trackers not being equal.
Another reason for the refactor is the co-existence of features with
SR-IOV. If SR-IOV is enabled and the interrupts are taken from the end
of the sw_irq_tracker then other features can no longer use this space
because the hardware has now given the remaining interrupts to SR-IOV.
This patch reworks how we track MSI-x vectors by removing the
hw_irq_tracker completely and instead MSI-x resources needed for SR-IOV
are determined all at once instead of per VF. This can be done because
when creating VFs we know how many are wanted and how many MSI-x vectors
each VF needs. This also allows us to start using MSI-x resources from
the end of the PF's allowed MSI-x vectors so we are less likely to use
entries needed for other features (i.e. RDMA, L2 Offload, etc).
This patch also reworks the ice_res_tracker structure by removing the
search_hint and adding a new member - "end". Instead of having a
search_hint we will always search from 0. The new member, "end", will be
used to manipulate the end of the ice_res_tracker (specifically
sw_irq_tracker) during runtime based on MSI-x vectors needed by SR-IOV.
In the normal case, the end of ice_res_tracker will be equal to the
ice_res_tracker's num_entries.
The sriov_base_vector member was added to the PF structure. It is used
to represent the starting MSI-x index of all the needed MSI-x vectors
for all SR-IOV VFs. Depending on how many MSI-x are needed, SR-IOV may
have to take resources from the sw_irq_tracker. This is done by setting
the sw_irq_tracker->end equal to the pf->sriov_base_vector. When all
SR-IOV VFs are removed then the sw_irq_tracker->end is reset back to
sw_irq_tracker->num_entries. The sriov_base_vector, along with the VF's
number of MSI-x (pf->num_vf_msix), vf_id, and the base MSI-x index on
the PF (pf->hw.func_caps.common_cap.msix_vector_first_id), is used to
calculate the first HW absolute MSI-x index for each VF, which is used
to write to the VPINT_ALLOC[_PCI] and GLINT_VECT2FUNC registers to
program the VFs MSI-x PCI configuration bits. Also, the sriov_base_vector
is used along with VF's num_vf_msix, vf_id, and q_vector->v_idx to
determine the MSI-x register index (used for writing to GLINT_DYN_CTL)
within the PF's space.
Interrupt changes removed any references to hw_base_vector, hw_oicr_idx,
and hw_irq_tracker. Only sw_base_vector, sw_oicr_idx, and sw_irq_tracker
variables remain. Change all of these by removing the "sw_" prefix to
help avoid confusion with these variables and their use.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch adds a handler for ethtool selftest. Selftest includes
testing link, interrupts, eeprom, registers and packet loopback.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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ice_cfg_itr() sets the ITR granularity and default ITR values for the
PF's interrupt vectors. For VF's this will be done in the AVF driver
flow. Fix this by not calling ice_cfg_itr() for SR-IOV.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently we set the default number of Rx descriptors per
queue to the system's page size divided by the number of bytes per
descriptor. For 4K page size systems this is resulting in 128 Rx
descriptors per queue. This is causing more dropped packets than desired
in the default configuration. Fix this by setting the minimum default
Rx descriptor count per queue to 512.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Some static analysis tools can complain when doing a bitop assignment using
operands of different sizes. Fix that.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Implement the toggling of rx-vlan-filter; enable|disable VLAN
pruning based on on|off, respectively.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Clear PXE mode AQ call (opcode 0x0110) is now supported in FW. So
remove the direct register write to GLLAN_RCTL_0.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix a checkpatch "LINE_SPACING: Please don't use multiple blank lines"
issue that has snuck in to the code.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Recent versions of sparse warn about casting pointers to/from restricted
endian types in the Linux driver. Silence those with the compiler
attribute __force macro from the Linux kernel to force casts to/from
restricted endian types.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently the driver is calling ice_napi_del() and then
unregister_netdev(). The call to unregister_netdev() will result in a
call to ice_stop() and then ice_vsi_close(). This is where we call
napi_disable() for all the MSI-X vectors. This flow is reversed so make
the changes to ensure napi_disable() happens prior to napi_del().
Before calling napi_del() and free_netdev() make sure
unregister_netdev() was called. This is done by making sure the
__ICE_DOWN bit is set in the vsi->state for the interested VSI.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The ice_vf struct can be used hundreds of times in our
driver so it pays to use less memory per struct.
ice_vf prior to this commit:
/* size: 112, cachelines: 2, members: 25 */
/* sum members: 101, holes: 4, sum holes: 8 */
/* bit holes: 2, sum bit holes: 11 bits */
/* padding: 3 */
/* last cacheline: 48 bytes */
ice_vf after this commit:
/* size: 104, cachelines: 2, members: 25 */
/* sum members: 100, holes: 3, sum holes: 4 */
/* bit holes: 1, sum bit holes: 3 bits */
/* last cacheline: 40 bytes */
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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We can use bit fields to store boolean values and when the
bit fields are next to each other, the compiler will combine them
(as long as the size holds enough).
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Use more efficient structure ordering by using the pahole tool
and a lot of code inspection to get hot cache lines to have
packed data (no holes if possible) and adjacent warm data.
ice_ring prior to this change:
/* size: 192, cachelines: 3, members: 23 */
/* sum members: 158, holes: 4, sum holes: 12 */
/* padding: 22 */
ice_ring after this change:
/* size: 192, cachelines: 3, members: 25 */
/* sum members: 162, holes: 1, sum holes: 1 */
/* padding: 29 */
ice_tx_buf prior to this change:
/* size: 48, cachelines: 1, members: 7 */
/* sum members: 38, holes: 2, sum holes: 6 */
/* padding: 4 */
/* last cacheline: 48 bytes */
ice_tx_buf after this change:
/* size: 40, cachelines: 1, members: 7 */
/* sum members: 38, holes: 1, sum holes: 2 */
/* last cacheline: 40 bytes */
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fixes ethtool -S reported stats in ice driver to match
format and nomenclature of the ixgbe driver.
Signed-off-by: Richard Rodriguez <richard.rodriguez@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Currently if ice_reset_all_vfs() fails in ice_alloc_vfs() we fail to
free some resources, reset variables, and return an error value.
Fix this by adding another unroll case to free the pf->vf array, set
the pf->num_alloc_vfs to 0, and return an error code.
Without this, if ice_reset_all_vfs() fails in ice_alloc_vfs() we will
not be able to do SRIOV without hard rebooting the system because
rmmod'ing the driver does not work.
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes the LLDP MIB change event handling code by removing
the workarounds in the current code. Added ice_dcb_need_recfg() to
print the DCB configuration changes detected via MIB change event.
Signed-off-by: Usha Ketineni <usha.k.ketineni@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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User requested link modes affect what is returned as an advertised
link mode. If no modes have been requested, we are not advertising
any link modes. Advertise what we are capable of supporting if no
link modes have been requested.
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When disabling and enabling VSIs, there are a couple of flows
that recursively acquire the RTNL lock which causes a deadlock.
Fix that.
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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ice_parse_caps is used to parse both device and function capabilities.
Currently, capabilities are printed with a cryptic "HW caps" prefix,
which makes it difficult to distinguish whether the capabilities being
printed are device or function capabilities.
This patch makes a change to add a "func cap" prefix when printing
function capabilities, and a "dev cap" prefix when printing device
capabilities.
This patch also changes some of the capability print strings for
consistency.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix checkpatch warning "WARNING:BRACES: braces {} are not necessary
for single statement blocks"
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Commit 3463688e6ced ("ice: Add more validation in ice_vc_cfg_irq_map_msg")
added an assignment of vsi making the assignment during declaration
unnecessary.
Also, cleanup the declaration and assignment of irqmap_info to not use two
lines in the variable declaration section.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Implement LLDP persistence across reboots, start and stop of LLDP agent.
Add additional parameter to ice_aq_start_lldp and ice_aq_stop_lldp.
Also change the ethtool private flag from "disable-fw-lldp" to
"enable-fw-lldp". This change will flip the boolean logic of the
functionality of the flag (on = enable, off = disable). The change
in name and functionality is to differentiate between the
pre-persistence and post-persistence states.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Fix double spacing in ice_napi_disable_all
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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