Commit Graph

216 Commits

Author SHA1 Message Date
David S. Miller bdfa75ad70 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Lots of simnple overlapping additions.

With a build fix from Stephen Rothwell.

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-22 11:41:16 +01:00
Tony Nguyen 7dcf78b870 ice: Add missing E810 device ids
As part of support for E810 XXV devices, some device ids were
inadvertently left out. Add those missing ids.

Fixes: 195fb97766 ("ice: add additional E810 device id")
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Paul Menzel <pmenzel@molgen.mpg.de>
2021-10-20 09:07:22 -07:00
Maciej Machnikowski 885fe6932a ice: Add support for SMA control multiplexer
E810-T adapters have two external bidirectional SMA connectors and two
internal unidirectional U.FL connectors. Multiplexing between U.FL and
SMA and SMA direction is controlled using the PCA9575 expander.

Add support for the PCA9575 detection and control of the respective pins
of the SMA/U.FL multiplexer using the GPIO AQ API.

Signed-off-by: Maciej Machnikowski <maciej.machnikowski@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-14 07:37:30 -07:00
Maciej Machnikowski 3bb6324b3d ice: Implement functions for reading and setting GPIO pins
Implement ice_aq_get_gpio and ice_aq_set_gpio for reading and changing
the state of GPIO pins described in the topology.

Signed-off-by: Maciej Machnikowski <maciej.machnikowski@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-14 07:37:30 -07:00
Maciej Machnikowski e00ae1a2aa ice: Refactor ice_aqc_link_topo_addr
Separate link topo parameters in struct ice_aqc_link_topo_addr into
new struct ice_aqc_link_topo_params.
This keeps input parameters for the get_link_topo command in a separate
structure and is required by future commands that operate only on link
topo params without the node handle.

Signed-off-by: Maciej Machnikowski <maciej.machnikowski@intel.com>
Tested-by: Sunitha Mekala <sunithax.d.mekala@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-14 07:37:30 -07:00
Victor Raj 8b8ef05b77 ice: cleanup rules info
Change ICE_SW_LKUP_LAST to ICE_MAX_NUM_RECIPES as for now there also can
be recipes other than the default.

Free all structures created for advanced recipes in cleanup function.
Write a function to clean allocated structures on advanced rule info.

Signed-off-by: Victor Raj <victor.raj@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-11 08:49:55 -07:00
Grishma Kotecha 0f94570d0c ice: allow adding advanced rules
Define dummy packet headers to allow adding advanced rules in HW. This
header is used as admin queue command parameter for adding a rule.
The firmware will extract correct fields and will use them in look ups.

Define each supported packets header and offsets to words used in recipe.
Supported headers:
- MAC + IPv4 + UDP
- MAC + VLAN + IPv4 + UDP
- MAC + IPv4 + TCP
- MAC + VLAN + IPv4 + TCP
- MAC + IPv6 + UDP
- MAC + VLAN + IPv6 + UDP
- MAC + IPv6 + TCP
- MAC + VLAN + IPv6 + TCP

Add code for creating an advanced rule. Rule needs to match defined
dummy packet, if not return error, which means that this type of rule
isn't currently supported.

The first step in adding advanced rule is searching for an advanced
recipe matching this kind of rule. If it doesn't exist new recipe is
created. Dummy packet has to be filled with the correct header field
value from the rule definition. It will be used to do look up in HW.

Support searching for existing advance rule entry. It is used in case
of adding the same rule on different VSI. In this case, instead of
creating new rule, the existing one should be updated with refreshed VSI
list.

Add initialization for prof_res_bm_init flag to zero so that
the possible resource for fv in the files can be initialized.

Co-developed-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Signed-off-by: Grishma Kotecha <grishma.kotecha@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Sandeep Penigalapati <sandeep.penigalapati@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-10-11 08:44:29 -07:00
Jacob Keller 06c16d89d2 ice: register 1588 PTP clock device object for E810 devices
Add a new ice_ptp.c file for holding the basic PTP clock interface
functions. If the device supports PTP, call the new ice_ptp_init and
ice_ptp_release functions where appropriate.

If the function owns the hardware resource associated with the PTP
hardware clock, register with the PTP_1588_CLOCK infrastructure to
allocate a new clock object that represents the device hardware clock.

Implement basic functionality for reading and setting the clock time,
performing clock adjustments, and adjusting the clock frequency.

Future changes will introduce functionality for handling related
features including Tx and Rx timestamps.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 08:47:30 -07:00
Jacob Keller 7f9ab54d31 ice: add support for set/get of driver-stored firmware parameters
Depending on the device configuration, the ice hardware may share the
PTP hardware clock timer between multiple PFs. Each PF is informed by
firmware during initialization of the PTP timer association.

When bringing up PTP, only the PFs which own the timer shall allocate
a PTP hardware clock. Other PFs associated with that timer must report
the correct PTP clock index in order to allow userspace software the
ability to know which ports are connected to the same clock.

To support this, the firmware has driver shared parameters. These
parameters enable one PF to write the clock index into firmware, and
have other PFs read the associated value out. This enables the driver to
have only a single PF allocate and control the device timer registers,
while other PFs associated with that timer can report the correct clock
in the ETHTOOL_GET_TS_INFO report.

Add support for the necessary admin queue commands to enable reading and
writing of the driver shared parameters. This will be used in a future
change to enable sharing the PTP clock index between PF drivers.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Jacob Keller 9733cc94c5 ice: process 1588 PTP capabilities during initialization
The device firmware reports PTP clock capabilities to each PF during
initialization. This includes various information for both the overall
device and the individual function, including

For functions:
* whether this function has timesync enabled
* whether this function owns one of the 2 possible clock timers, and
  which one
* which timer the function is associated with
* the clock frequency, if the device supports multiple clock frequencies
* The GPIO pin association for the timer owned by this PF, if any

For the device:
* Which PF owns timer 0, if any
* Which PF owns timer 1, if any
* whether timer 0 is enabled
* whether timer 1 is enabled

Extract the bits from the capabilities information reported by firmware
and store them in the device and function capability structures.o

This information will be used in a future change to have the function
driver enable PTP hardware clock support.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Jacob Keller 8f5ee3c477 ice: add support for sideband messages
In order to support certain device features, including enabling the PTP
hardware clock, the ice driver needs to control some registers on the
device PHY.

These registers are accessed by sending sideband messages. For some
hardware, these messages must be sent over the device admin queue, while
other hardware has a dedicated control queue for the sideband messages.

Add the neighbor device message structure for sending a message to the
neighboring device. Where supported, initialize the sideband control
queue and handle cleanup.

Add a wrapper function for sending sideband control queue messages that
read or write a neighboring device register.

Because some devices send sideband messages over the AdminQ, also
increase the length of the admin queue to allow more messages to be
queued up. This is important because the sideband messages add
additional pressure on the AQ usage.

This support will be used in following patches to enable support for
CONFIG_1588_PTP_CLOCK.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Anirudh Venkataramanan c77849f546 ice: Detect and report unsupported module power levels
Determine whether an unsupported power configuration is preventing link
establishment by storing and checking the link_cfg_err_byte. Print error
messages when module power levels are unsupported. Also add a new flag
bit to prevent spamming said error messages.

Co-developed-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Dave Ertman 348048e724 ice: Implement iidc operations
Add implementations for supporting iidc operations for device operation
such as allocation of resources and event notifications.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-28 20:11:13 -07:00
Dave Ertman d25a0fc41c ice: Initialize RDMA support
Probe the device's capabilities to see if it supports RDMA. If so, allocate
and reserve resources to support its operation; populate structures with
initial values.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-05-28 20:11:13 -07:00
Jakub Kicinski 8859a44ea0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Conflicts:

MAINTAINERS
 - keep Chandrasekar
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
 - simple fix + trust the code re-added to param.c in -next is fine
include/linux/bpf.h
 - trivial
include/linux/ethtool.h
 - trivial, fix kdoc while at it
include/linux/skmsg.h
 - move to relevant place in tcp.c, comment re-wrapped
net/core/skmsg.c
 - add the sk = sk // sk = NULL around calls
net/tipc/crypto.c
 - trivial

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-04-09 20:48:35 -07:00
Jeb Cramer 75751c80d6 ice: Limit forced overrides based on FW version
Beyond a specific version of firmware, there is no need to provide
override values to the firmware when setting PHY capabilities.  In this
case, we do not need to indicate whether we're in Strict or Lenient Link
Mode.

In the case of translating capabilities to the configuration structure,
the module compliance enforcement is already correctly set by firmware,
so the extra code block is redundant.

Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-07 17:09:16 -07:00
Anirudh Venkataramanan 0a02944fea ice: Use default configuration mode for PHY configuration
Recent firmware supports a new "get PHY capabilities" mode
ICE_AQC_REPORT_DFLT_CFG which makes it unnecessary for the driver
to track and apply NVM based default link overrides.

If FW AQ API version supports it, use Report Default Configuration.
Add check function for Report Default Configuration support and update
accordingly.

Also change adv_phy_type_[lo|hi] to advert_phy_type[lo|hi] for
clarity.

Co-developed-by: Mateusz Pacuszka <mateuszx.pacuszka@intel.com>
Signed-off-by: Mateusz Pacuszka <mateuszx.pacuszka@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-07 17:09:15 -07:00
Anirudh Venkataramanan d6730a871e ice: Align macro names to the specification
For get PHY abilities AQ, the specification defines "report modes"
as "with media", "without media" and "active configuration". For
clarity, rename macros to align with the specification.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-07 17:09:15 -07:00
Chinh T Cao 3056df93f7 ice: Re-send some AQ commands, as result of EBUSY AQ error
Retry sending some AQ commands, as result of EBUSY AQ error.
ice_aqc_opc_get_link_topo
ice_aqc_opc_lldp_stop
ice_aqc_opc_lldp_start
ice_aqc_opc_lldp_filter_ctrl

This change follows the latest guidelines from HW team. It is
better to retry the same AQ command several times, as the result
of EBUSY, instead of returning error to the caller right away.

Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-04-07 17:09:15 -07:00
Brett Creeley e3c53928a3 ice: Refactor get/set RSS LUT to use struct parameter
Update ice_aq_get_rss_lut() and ice_aq_set_rss_lut() to take a new
structure ice_aq_get_set_rss_params instead of passing individual
parameters. This is done for 2 reasons:

1. Reduce the number of parameters passed to the functions.
2. Reduce the amount of change required if the arguments ever need to be
   updated in the future.

Also, reduce duplicate code that was checking for an invalid vsi_handle
and lut parameter by moving the checks to the lower level
__ice_aq_get_set_rss_lut().

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-03-31 14:21:28 -07:00
Bruce Allan 800c1443cb ice: remove unnecessary duplicated AQ command flag setting
Commit a012dca9f7 ("ice: add ethtool -m support for reading i2c eeprom
modules") unnecessarily added the ICE_AQ_FLAG_BUF flag to the descriptor
when sending the indirect Read/Write SFF EEPROM AQ command. The flag is
already added later in the code flow for all indirect AQ commands, i.e.
commands that provide an additional data buffer.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-03-31 14:21:27 -07:00
Bruce Allan 59df14f9cc ice: fix memory allocation call
Fix the order of number of array members and member size parameters in a
*calloc() call.

Fixes: b3c3890489 ("ice: avoid unnecessary single-member variable-length structs")
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-03-29 10:11:55 -07:00
Tony Nguyen ef860480ea ice: Fix prototype warnings
Correct reported warnings for "warning: expecting prototype for ...
Prototype was for ... instead"

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
2021-03-23 11:34:02 -07:00
Bruce Allan 7a63dae0fa ice: remove unnecessary casts
Casting a void * rvalue in an assignment is unnecessary in C; remove the
casts.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-08 16:27:01 -08:00
Ben Shelton 4f8a14976a ice: Use PSM clock frequency to calculate RL profiles
The core clock frequency is currently hardcoded at 446 MHz for the RL
profile calculations. This causes issues since not all devices use that
clock frequency. Read the GLGEN_CLKSTAT_SRC register to determine which PSM
clock frequency is selected.  This ensures that the rate limiter profile
calculations will be correct.

Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-08 16:27:01 -08:00
Kiran Patil b126bd6bcd ice: create scheduler aggregator node config and move VSIs
Create set scheduler aggregator node and move for VSIs into respective
scheduler node. Max children per aggregator node is 64.

There are two types of aggregator node(s) created.
1. dedicated node for PF and _CTRL VSIs
2. dedicated node(s) for VFs.

As part of reset and rebuild, aggregator nodes are recreated and VSIs
are moved to respective aggregator node.

Having related VSIs in respective tree avoid starvation between PF and VF
w.r.t Tx bandwidth.

Co-developed-by: Tarun Singh <tarun.k.singh@intel.com>
Signed-off-by: Tarun Singh <tarun.k.singh@intel.com>
Co-developed-by: Victor Raj <victor.raj@intel.com>
Signed-off-by: Victor Raj <victor.raj@intel.com>
Co-developed-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-08 16:27:01 -08:00
Dave Ertman 34295a3696 ice: implement new LLDP filter command
There is an issue with some NVMs where an already existent LLDP
filter is blocking the creation of a filter to allow LLDP packets
to be redirected to the default VSI for the interface.  This is
blocking all LLDP functionality based in the kernel when the FW
LLDP agent is disabled (e.g. software based DCBx).

Implement the new AQ command to allow adding VSI destinations to
existent filters on NVM versions that support the new command.

The new lldp_fltr_ctrl AQ command supports Rx filters only, so the
code flow for adding filters to disable Tx of control frames will
remain intact.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-08 16:27:01 -08:00
Bruce Allan 11404310d5 ice: use flex_array_size where possible
Use the flex_array_size() helper with the recently added flexible array
members in structures.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-02-05 11:44:42 -08:00
Jacob Keller 9228d8b261 ice: join format strings to same line as ice_debug
When printing messages with ice_debug, align the printed string to the
origin line of the message in order to ease debugging and tracking
messages back to their source.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-12-09 08:11:55 -08:00
Jeb Cramer c21125c997 ice: Enable Support for FW Override (E82X)
The driver is able to override the firmware when it comes to supporting
a more lenient link mode.  This feature was limited to E810 devices.  It
is now extended to E82X devices.

Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-12-09 08:11:54 -08:00
Paul M Stillwell Jr f2651a91b9 ice: don't always return an error for Get PHY Abilities AQ command
There are times when the driver shouldn't return an error when the Get
PHY abilities AQ command (0x0600) returns an error. Instead the driver
should log that the error occurred and continue on. This allows the
driver to load even though the AQ command failed. The user can then
later determine the reason for the failure and correct it.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-12-09 08:11:54 -08:00
Jacob Keller be49b1ad29 ice: preserve NVM capabilities in safe mode
If the driver initializes in safe mode, it will call
ice_set_safe_mode_caps. This results in clearing the capabilities
structures, in order to set them up for operating in safe mode, ensuring
many features are disabled.

This has a side effect of also clearing the capability bits that relate
to NVM update. The result is that the device driver will not indicate
support for unified update, even if the firmware is capable.

Fix this by adding the relevant capability fields to the list of values
we preserve. To simplify the code, use a common_cap structure instead of
a handful of local variables. To reduce some duplication of the
capability name, introduce a couple of macros used to restore the
capabilities values from the cached copy.

Fixes: de9b277ee0 ("ice: Add support for unified NVM update flow capability")
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Brijesh Behera <brijeshx.behera@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-09-30 08:32:35 -07:00
Tony Nguyen 7dbc63f0a5 ice: Misc minor fixes
This is a collection of minor fixes including typos, white space, and
style. No functional changes.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
2020-08-01 08:44:04 -07:00
Nick Nunley 585cdabdfd ice: rename misleading grst_delay variable
The grst_delay variable in ice_check_reset contains the maximum time
(in 100 msec units) that the driver will wait for a reset event to
transition to the Device Active state. The value is the sum of three
separate components:
1) The maximum time it may take for the firmware to process its
outstanding command before handling the reset request.
2) The value in RSTCTL.GRSTDEL (the delay firmware inserts between first
seeing the driver reset request and the actual hardware assertion).
3) The maximum expected reset processing time in hardware.

Referring to this total time as "grst_delay" is misleading and
potentially confusing to someone checking the code and cross-referencing
the hardware specification.

Fix this by renaming the variable to "grst_timeout", which is more
descriptive of its actual use.

Signed-off-by: Nick Nunley <nicholas.d.nunley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-08-01 08:17:40 -07:00
Ben Shelton 7dfff9ffe8 ice: disable no longer needed workaround for FW logging
For the FW logging info AQ command, we currently set the ICE_AQ_FLAG_RD
in order to work around a FW issue. This issue has been fixed so remove the
workaround.

Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-29 08:38:56 -07:00
Tarun Singh 984824a210 ice: Adjust scheduler default BW weight
By default the queues are configured in legacy mode. The default
BW settings for legacy/advanced modes are different. The existing
code was using the advanced mode default value of 1 which was
incorrect. This caused the unbalanced BW sharing among siblings.
The recommended default value is applied.

Signed-off-by: Tarun Singh <tarun.k.singh@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-29 08:38:55 -07:00
Dave Ertman 7d9c9b791f ice: Implement LFC workaround
There is a bug where the LFC settings are not being preserved
through a link event.  The registers in question are the ones
that are touched (and restored) when a set_local_mib AQ command
is performed.

On a link-up event, make sure that a set_local_mib is being
performed.

Move the function ice_aq_set_lldp_mib() from the DCB specific
ice_dcb.c to ice_common.c so that the driver always has access
to this AQ command.

Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-29 08:38:54 -07:00
Jacob Keller d69ea414c9 ice: implement device flash update via devlink
Use the newly added pldmfw library to implement device flash update for
the Intel ice networking device driver. This support uses the devlink
flash update interface.

The main parts of the flash include the Option ROM, the netlist module,
and the main NVM data. The PLDM firmware file contains modules for each
of these components.

Using the pldmfw library, the provided firmware file will be scanned for
the three major components, "fw.undi" for the Option ROM, "fw.mgmt" for
the main NVM module containing the primary device firmware, and
"fw.netlist" containing the netlist module.

The flash is separated into two banks, the active bank containing the
running firmware, and the inactive bank which we use for update. Each
module is updated in a staged process. First, the inactive bank is
erased, preparing the device for update. Second, the contents of the
component are copied to the inactive portion of the flash. After all
components are updated, the driver signals the device to switch the
active bank during the next EMP reset (which would usually occur during
the next reboot).

Although the firmware AdminQ interface does report an immediate status
for each command, the NVM erase and NVM write commands receive status
asynchronously. The driver must not continue writing until previous
erase and write commands have finished. The real status of the NVM
commands is returned over the receive AdminQ. Implement a simple
interface that uses a wait queue so that the main update thread can
sleep until the completion status is reported by firmware. For erasing
the inactive banks, this can take quite a while in practice.

To help visualize the process to the devlink application and other
applications based on the devlink netlink interface, status is reported
via the devlink_flash_update_status_notify. While we do report status
after each 4k block when writing, there is no real status we can report
during erasing. We simply must wait for the complete module erasure to
finish.

With this implementation, basic flash update for the ice hardware is
supported.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28 17:07:06 -07:00
Jacob Keller 2ab560a78e ice: add flags indicating pending update of firmware module
After a flash update, the pending status of the update can be determined
from the device capabilities.

Read the appropriate device capability and store whether there is
a pending update awaiting a reboot.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28 17:07:06 -07:00
Jacek Naczyk de9b277ee0 ice: Add support for unified NVM update flow capability
Extends function parsing response from Discover Device
Capability AQC to check if the device supports unified NVM update flow.

Signed-off-by: Jacek Naczyk <jacek.naczyk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-07-28 17:07:06 -07:00
Paul M Stillwell Jr c2b352262a ice: add 1G SGMII PHY type
There isn't a case for 1G SGMII in ice_get_media_type() so add
the handling for it.

Also handle the special case where some direct attach
cables may report that they support 1G SGMII, but
that is erroneous since SGMII is supposed to be a
backplane media type (between a MAC and a PHY). If
the driver doesn't handle this special case then a
user could see the 'Port' in ethtool change from
'Direct attach Copper' to 'Backplane' when they have
forced the speed to 1G, but the cable hasn't changed.

Lastly, change ice_aq_get_phy_caps() to save the
module_type info if the function was called with
ICE_AQC_REPORT_TOPO_CAP. This call uses the media
information to populate the module_type. If no
media is present then the values in module_type
will be 0.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:36:14 -07:00
Doug Dziggel c1eb3b6b68 ice: Report AOC PHY Types as Fiber
Report AOC types as fiber instead of unknown.

Signed-off-by: Doug Dziggel <douglas.a.dziggel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:34:43 -07:00
Paul Greenwalt 8ea1da593b ice: add AQC get link topology handle support
Add AQC get link topology handle support. This is needed to determine
Direct Attach (DA) or backplane media type for PHY types that support
either. Get link topology handle cage node type request can be used to
determine if a cage is present or not. If a cage is present for PHY
types that supports both DA and backplane media type, then the media
type is DA, else the media type is backplane.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:33:26 -07:00
Lev Faerman bdeff9718a ice: Rename low_power_ctrl
Rename the low_power_ctrl field to low_power_ctrl_an to be properly
descriptive of it being an autoneg field.

Signed-off-by: Lev Faerman <lev.faerman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:31:30 -07:00
Paul Greenwalt 5ee30564c8 ice: update reporting of autoneg capabilities
Firmware now reports AN28, AN32, and AN73. Add a helper and check these new
values and report PHY autoneg capability.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:29:46 -07:00
Paul Greenwalt 55df52a0bc ice: add ice_aq_get_phy_caps() debug logs
Add debug logs for ice_aq_get_phy_caps(), and format
ice_aq_set_phy_cfg() and ice_aq_get_link_info() debug logs to make them
more readable.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:27:46 -07:00
Paul Greenwalt ea78ce4dab ice: add link lenient and default override support
Adds functions to check for link override firmware support and get
the override settings for a port. The previously supported/default link
mode was strict mode.

In strict mode link is configured based on get PHY capabilities PHY types
with media.

Lenient mode is now the default link mode. In lenient mode the link is
configured based on get PHY capabilities PHY types without media. This
allows the user to configure link that the media does not report. Limit the
minimum supported link mode to 25G for devices that support 100G, and 1G
for devices that support less than 100G.

Default override is only supported in lenient mode. If default override
is supported and enabled, then default override values are used for
configuring speed and FEC. Default override provide persistent link
settings in the NVM.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Evan Swanson <evan.swanson@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:22:31 -07:00
Paul Greenwalt 1a3571b593 ice: restore PHY settings on media insertion
After the transition from no media to media FW will clear the
set-phy-cfg data set by the user. Save initial PHY settings and any
settings later requested by the user and use that data to restore PHY
settings on media insertion. Since PHY configuration is now being stored,
replace calls that were calling FW to get the configuration with the saved
copy.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:15:28 -07:00
Paul Greenwalt 61cf42e71a ice: move auto FEC checks into ice_cfg_phy_fec()
The call to ice_cfg_phy_fec() requires the caller to perform certain
actions before calling it. Instead of imposing these preconditions move
the operations into the function and perform them ourselves.

Also, fix some style issues in nearby touched code.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:05:49 -07:00
Paul Greenwalt 2ffb60856a ice: refactor FC functions
Create a helper function for configuring requested flow control so that it
can be utilized by other functions looking to configure flow control
settings. Utilize the existing helper ice_copy_phy_caps_to_cfg() to copy a
PHY capability to configuration instead duplicating the code for it.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 15:03:58 -07:00
Jacob Keller 81aed6475d ice: split ice_discover_caps into two functions
Using the new ice_aq_list_caps and ice_parse_(dev|func)_caps functions,
replace ice_discover_caps with two functions that each take a pointer to
the dev_caps and func_caps structures respectively.

This makes the side effect of updating the hw->dev_caps and
hw->func_caps obvious from reading the implementation of the function.
Additionally, it opens the way for enabling reading of device
capabilities outside of the initialization flow. By passing in
a pointer, another caller will be able to read the capabilities without
modifying the HW capabilities structures.

As there are no other callers, it is safe to now remove
ice_aq_discover_caps and ice_parse_caps.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 14:48:41 -07:00
Jacob Keller 595b13e228 ice: split ice_parse_caps into separate functions
The ice_parse_caps function is used to convert the capability block data
coming from firmware into a structured format used by other parts of the
code.

The current implementation directly updates the hw->func_caps and
hw->dev_caps structures. It is directly called from within
ice_aq_discover_caps. This causes the discover_caps function to have the
side effect of modifying the HW capability structures, which is not
intuitive.

Split this function into ice_parse_dev_caps and ice_parse_func_caps.
These functions will take a pointer to the dev_caps and func_caps
respectively. Also create an ice_parse_common_caps for sharing the
capability logic that is common to device and function.

Doing so enables a future refactor to allow reading and parsing
capabilities into a local caps structure instead of modifying the
members of the HW structure directly.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 14:46:33 -07:00
Jacob Keller 1082b360e3 ice: refactor ice_discover_caps to avoid need to retry
The ice_discover_caps function is used to read the device and function
capabilities, updating the hardware capabilities structures with
relevant data.

The exact number of capabilities returned by the hardware is unknown
ahead of time. The AdminQ command will report the total number of
capabilities in the return buffer.

The current implementation involves requesting capabilities once,
reading this returned size, and then re-requested with that size.

This isn't really necessary. The firmware interface has a maximum size
of ICE_AQ_MAX_BUF_LEN. Firmware can never return more than
ICE_AQ_MAX_BUF_LEN / sizeof(struct ice_aqc_list_caps_elem) capabilities.

Avoid the retry loop by simply allocating a buffer of size
ICE_AQ_MAX_BUF_LEN. This is significantly simpler than retrying. The
extra allocation isn't a big deal, as it will be released after we
finish parsing the capabilities.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-23 14:16:02 -07:00
Bruce Allan 66486d8943 ice: replace single-element array used for C struct hack
Convert the pre-C90-extension "C struct hack" method (using a single-
element array at the end of a structure for implementing variable-length
types) to the preferred use of C99 flexible array member.

Additional code cleanups were done near areas affected by this change.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-01 16:35:23 -07:00
Bruce Allan b3c3890489 ice: avoid unnecessary single-member variable-length structs
There are a number of structures that consist of a one-element array as the
only struct member.  Some of those are unused so remove them. Others are
used to index into a buffer/array consisting of a variable number of a
different data or structure type.  Those are unnecessary since we can use
simple pointer arithmetic or index directly into the buffer to access
individual elements of the buffer/array.

Additional code cleanups were done near areas affected by this change.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-01 16:33:29 -07:00
Jacob Keller 8d7aab3515 ice: implement snapshot for device capabilities
Add a new devlink region used for capturing a snapshot of the device
capabilities buffer which is reported by the firmware over the AdminQ.
This information can useful in debugging driver and firmware
interactions.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-07-01 15:41:45 -07:00
Chinh T Cao b5e19a642b ice: Ignore EMODE when setting PHY config
When setting the PHY cfg (CQ cmd 0x0601), if the firmware responds
with an EMODE error, software will ignore the error as it simply
means that manageability (ex: BMC) is in control of the link and that
the new setting may not be applied.

Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 04:01:16 -07:00
Dan Nowlin c9a12d6d20 ice: Increase timeout after PFR
To allow for resets during package download, increase the timeout period
after performing a PFR. The time waited is the global config lock
timeout plus the normal PFSWR timeout.

Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:39:45 -07:00
Bruce Allan 7e34786a74 ice: avoid undefined behavior
When writing the driver's struct ice_tlan_ctx structure, do not write the
8-bit element int_q_state with the associated internal-to-hardware field
which is 122-bits, otherwise the helper function ice_write_byte() will use
undefined behavior when setting the mask used for that write.  This should
not cause any functional change and will avoid use of undefined behavior.
Also, update a comment to highlight this structure element is not written.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-27 17:58:21 -07:00
Surabhi Boob 1aaef2bc4e ice: Fix memory leak
Handle memory leak on filter management initialization failure.

Signed-off-by: Surabhi Boob <surabhi.boob@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-27 17:11:29 -07:00
Jesse Brandeburg 5df42c8267 ice: fix MAC write command
The manage MAC write command was implemented in an overly complex way
that actually didn't work, as it wasn't symmetric to the manage MAC
read command, and was feeding bytes out of order to the firmware. Fix
the implementation by just using a simple array to represent the MAC
address when it is being written via firmware command.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-27 17:06:44 -07:00
Anirudh Venkataramanan 4244910568 ice: Call ice_aq_set_mac_cfg
As per the specification, the driver needs to call set_mac_cfg
(opcode 0x0603) to be able to exercise jumbo frames. Call the
function during initialization and the post reset rebuild flow.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-22 22:05:25 -07:00
Henry Tieman 148beb6120 ice: Initialize Flow Director resources
Flow Director allows for redirection based on ntuple rules. Rules are
programmed using the ethtool set-ntuple interface. Supported actions are
redirect to queue and drop.

Setup the initial framework to process Flow Director filters. Create and
allocate resources to manage and program filters to the hardware. Filters
are processed via a sideband interface; a control VSI is created to manage
communication and process requests through the sideband. Upon allocation of
resources, update the hardware tables to accept perfect filters.

Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-22 21:26:37 -07:00
Tony Nguyen a4e82a81f5 ice: Add support for tunnel offloads
Create a boost TCAM entry for each tunnel port in order to get a tunnel
PTYPE. Update netdev feature flags and implement the appropriate logic to
get and set values for hardware offloads.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-21 22:10:03 -07:00
Jacob Keller e961b679fb ice: add board identifier info to devlink .info_get
Export a unique board identifier using "board.id" for devlink's
.info_get command.

Obtain this by reading the NVM for the PBA identification string.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-21 01:02:19 -07:00
Jacob Keller d4e874448e ice: store NVM version info in extracted format
The NVM version and Option ROM version information is stored within the
struct ice_nvm_ver_info structure. The data for the NVM is stored as
a 2byte value with the major and minor versions each using one byte from
the field. The Option ROM is stored as a 4byte value that contains
a major, build, and patch number.

Modify the code to immediately extract the version values and store them
in a new struct ice_orom_info. Remove the now unnecessary
ice_get_nvm_version function.

Update ice_ethtool.c to use the new fields directly from the structured
data.

This reduces complexity of the code that prints these versions in
ice_ethtool.c

Update the macro definitions and variable names to use the term "orom"
instead of "oem" for the Option ROM version. This helps increase the
clarity of the Option ROM version code.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Reviewed-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-21 00:28:18 -07:00
Jacob Keller dab02de867 ice: fix incorrect size description of ice_get_nvm_version
The function comment for ice_get_nvm_version indicated that the ver_hi
and ver_lo values were 16 bits. In fact, they are only uint8_t values,
meaning that they have a maximum size of 8 bits. Fix the comment to
match the correct size.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-03-10 13:11:02 -07:00
Jacob Keller 7124507291 ice: increase PF reset wait timeout to 300 milliseconds
Increase the maximum time that the driver will wait for a PF reset from
200 milliseconds to 300 milliseconds, to account for possibility of
a slightly longer than expected PF reset.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-19 13:14:37 -08:00
Bruce Allan 4e83fc934e ice: replace "fallthrough" comments with fallthrough reserved word
"fallthrough" comments are used in switch case statements to explicitly
indicate the code is intended to fall through to the following statement.
Different variants of "fallthough" are acceptable, e.g. "fall through",
"fallthrough", "Fall-through".  The GCC compiler has an optional warning
(-Wimplicit-fallthrough[=n]) to warn when such a comment is not present;
the default version of which is enabled when compiling the Linux kernel.

There have been recent discussions in kernel mailing lists regarding
replacing non-standardized "fallthrough" comments with the pseudo-reserved
word 'fallthrough' which will be defined as __attribute__ ((fallthrough))
for versions of gcc that support it (i.e. gcc 7 and newer) or as a nop
for versions that do not.  Replace "fallthrough" comments with fallthrough
reserved word.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-15 17:03:12 -08:00
Tony Nguyen 4ee656bba8 ice: Trivial fixes
This is a collection of trivial fixes including fixing whitespace, typos,
function headers, reverse Christmas tree, etc.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12 11:49:12 -08:00
Bruce Allan cf8fc2a086 ice: update Unit Load Status bitmask to check after reset
After a reset the Unit Load Status bits in the GLNVM_ULD register to check
for completion should be 0x7FF before continuing.  Update the mask to check
(minus the three reserved bits that are always set).

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12 11:48:45 -08:00
Brett Creeley 3d9f999080 ice: Remove ice_dev_onetime_setup()
ice_dev_onetime_setup contains driver workarounds needed for
firmware limitations. These issues have now been resolved in newer
NVMs so remove the function.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-02-12 11:48:26 -08:00
Tony Nguyen 451f2c4406 ice: Populate TCAM filter software structures
Store the TCAM entry with the profile data and the VSI group in the
respective SW structures. This will be subsequently used to write out
the tables to hardware.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-25 21:34:36 -08:00
Tony Nguyen 31ad4e4ee1 ice: Allocate flow profile
Create an extraction sequence based on the packet header protocols to be
programmed and allocate a flow profile for the extraction sequence.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-24 16:06:32 -08:00
Tony Nguyen c90ed40cef ice: Enable writing hardware filtering tables
Enable the driver to write the filtering hardware tables to allow for
changing of RSS rules. Upon loading of DDP package, a minimal configuration
should be written to hardware.

Introduce and initialize structures for storing configuration and make
the top level calls to configure the RSS tables to initial values. A packet
segment will be created but nothing is written to hardware yet.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-24 13:18:19 -08:00
Vignesh Sridhar f57a683ded ice: Remove Rx flex descriptor programming
Remove Rx flex descriptor metadata and flag programming; per specification
these registers cannot be written to as they are read only.

Signed-off-by: Vignesh Sridhar <vignesh.sridhar@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-01-03 16:08:33 -08:00
Bruce Allan 9164f761c9 ice: Correct capabilities reporting of max TCs
Firmware always returns 8 as the max number of supported TCs. However on
devices with more than 4 ports, the maximum number of TCs per port is
limited to 4. Check and, if necessary, correct the reporting of
capabilities for devices with more than 4 ports.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-22 13:06:34 -08:00
Bruce Allan eae1bbb2a4 ice: Store number of functions for the device
Store the number of functions the device has and use this number when
setting safe mode capabilities instead of calculating it.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Co-developed-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Kevin Scott <kevin.c.scott@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-22 13:06:34 -08:00
Jacob Keller faa01721ce ice: use more accurate ICE_DBG mask types
ice_debug_cq is passed a mask which is always ICE_DBG_AQ_CMD. Modify this
function, removing the mask parameter entirely, and directly use the more
appropriate ICE_DBG_AQ_DESC and ICE_DBG_AQ_DESC_BUF.

The function is only called from ice_controlq.c, and has no
other callers outside of that file. Move it and mark it static to avoid
namespace pollution.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-08 12:03:15 -08:00
Usha Ketineni 1ddef455f4 ice: Add NDO callback to set the maximum per-queue bitrate
Allow for rate limiting Tx queues. Bitrate is set in
Mbps(megabits per second).

Mbps max-rate is set for the queue via sysfs:
/sys/class/net/<iface>/queues/tx-<queue>/tx_maxrate
ex: echo 100 >/sys/class/net/ens7/queues/tx-0/tx_maxrate
    echo 200 >/sys/class/net/ens7/queues/tx-1/tx_maxrate
Note: A value of zero for tx_maxrate means disabled,
default is disabled.

Signed-off-by: Usha Ketineni <usha.k.ketineni@intel.com>
Co-developed-by: Tarun Singh <tarun.k.singh@intel.com>
Signed-off-by: Tarun Singh <tarun.k.singh@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-08 11:58:49 -08:00
Md Fahad Iqbal Polash 031f214752 ice: Update Boot Configuration Section read of NVM
The Boot Configuration Section Block has been moved to the Preserved Field
Area (PFA) of NVM. Update the NVM reads that involves Boot Configuration
Section.

Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-06 16:41:45 -08:00
Scott W Taylor a012dca9f7 ice: add ethtool -m support for reading i2c eeprom modules
Implement ethtool -m support to read eeprom data from SFP/QSFP modules.

Signed-off-by: Scott W Taylor <scott.w.taylor@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-11-06 16:41:45 -08:00
Tony Nguyen 462acf6aca ice: Enable DDP package download
Attempt to request an optional device-specific DDP package file
(one with the PCIe Device Serial Number in its name so that different DDP
package files can be used on different devices). If the optional package
file exists, download it to the device. If not, download the default
package file.

Log an appropriate message based on whether or not a DDP package
file exists and the return code from the attempt to download it to the
device.  If the download fails and there is not already a package file on
the device, go into "Safe Mode" where some features are not supported.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12 11:37:38 -07:00
Tony Nguyen 32d63fa1e9 ice: Initialize DDP package structures
Add functions to initialize, parse, and clean structures representing
the DDP package.

Upon completion of package download, read and store the DDP package
contents to these structures.  This configuration is used to
identify the default behavior and later used to update the HW table
entries.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12 11:28:40 -07:00
Tony Nguyen c764881096 ice: Implement Dynamic Device Personalization (DDP) download
Add the required defines, structures, and functions to enable downloading
a DDP package.  Before download, checks are performed to ensure the package
is valid and compatible.

Note that package download is not yet requested by the driver as further
initialization is required to utilize the package.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12 11:19:16 -07:00
Lukasz Czapnik 870f805e97 ice: Fix FW version formatting in dmesg
The FW build id is currently being displayed as an int which doesn't make
sense. Instead display FW build id as a hex value. Also add other useful
information to the output such as NVM version, API patch info, and FW
build hash.

Signed-off-by: Lukasz Czapnik <lukasz.czapnik@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12 10:37:22 -07:00
Paul M Stillwell Jr e3710a01a8 ice: send driver version to firmware
The driver is required to send a version to the firmware
to indicate that the driver is up. If the driver doesn't
do this the firmware doesn't behave properly.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-12 10:22:04 -07:00
Anirudh Venkataramanan 5c875c1af8 ice: Rework around device/function capabilities
ice_parse_caps is printing capabilities in a different way when
compared to the variable names. This makes it difficult to search for
the right strings in the debug logs. So this patch updates the
print strings to be exactly the same as the fields' name in the
structure.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-05 08:13:41 -07:00
Ashish Shah 201beeb715 ice: update Tx context struct
Add internal usage flag, bit 91 as described in spec.
Update width of internal queue state to 122 also as described in spec.

Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-05 08:13:41 -07:00
Usha Ketineni a257f188b7 ice: Limit Max TCs on devices with more than 4 ports
This patch limits the max TCs set by the driver to the value provided by
the firmware as per the capabilities of the device. Otherwise, hard coding
to 8 TC max would fail the device configurations with more than 4 ports.

Signed-off-by: Usha Ketineni <usha.k.ketineni@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-03 16:35:58 -07:00
Bruce Allan 7404e84a23 ice: update driver unloading field for Queue Shutdown AQ command
According to recent specification versions, the field in the Queue Shutdown
AdminQ command consisting of the "driver unloading" indication is not a 4
byte field (it is byte.bit 16.0).  Change it to a byte and remove the
unnecessary endian conversion.

Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-09-03 16:23:35 -07:00
Jesse Brandeburg dc67039b3d ice: shorten local and add debug prints
Add some verbose debugging for dyndbg to help us when
we are having issues with link and/or PHY.

While there, shorten some strings used by locals that
were causing long line wrapping.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-08-26 23:09:46 -07:00
Chinh T Cao 3747f03115 ice: Don't clear auto_fec bit in ice_cfg_phy_fec()
The driver should never clear the auto_fec_enable bit.

Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-08-23 10:25:39 -07:00
Chinh T Cao 057911ba9b ice: Fix flag used for module query
When checking the PHY for status, by specification, the driver
should be using "topology" mode when querying the module type.

Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-08-23 10:23:11 -07:00
Jacob Keller 5c91ecfda5 ice: separate out control queue lock creation
The ice_init_all_ctrlq and ice_shutdown_all_ctrlq functions create and
destroy the locks used to protect the send and receive process of each
control queue.

This is problematic, as the driver may use these functions to shutdown
and re-initialize the control queues at run time. For example, it may do
this in response to a device reset.

If the driver failed to recover from a reset, it might leave the control
queues offline. In this case, the locks will no longer be initialized.
A later call to ice_sq_send_cmd will then attempt to acquire a lock that
has been destroyed.

It is incorrect behavior to access a lock that has been destroyed.

Indeed, ice_aq_send_cmd already tries to avoid accessing an offline
control queue, but the check occurs inside the lock.

The root of the problem is that the locks are destroyed at run time.

Modify ice_init_all_ctrlq and ice_shutdown_all_ctrlq such that they no
longer create or destroy the locks.

Introduce new functions, ice_create_all_ctrlq and ice_destroy_all_ctrlq.
Call these functions in ice_init_hw and ice_deinit_hw.

Now, the control queue locks will remain valid for the life of the
driver, and will not be destroyed until the driver unloads.

This also allows removing a duplicate check of the sq.count and
rq.count values when shutting down the controlqs. The ice_shutdown_ctrlq
function already checks this value under the lock. Previously
commit dec64ff10e ("ice: use [sr]q.count when checking if queue is
initialized") needed this check to happen outside the lock, because it
prevented duplicate attempts at destroying the locks.

The driver may now safely use ice_init_all_ctrlq and
ice_shutdown_all_ctrlq while handling reset events, without causing the
locks to be invalid.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-07-31 10:23:04 -07:00
Brett Creeley c31a5c25bb ice: Always set prefena when configuring an Rx queue
Currently we are always setting prefena to 0. This is causing the
hardware to only fetch descriptors when there are none free in the cache
for a received packet instead of prefetching when it has used the last
descriptor regardless of incoming packets. Fix this by allowing the
hardware to prefetch Rx descriptors.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-07-31 10:23:04 -07:00
Jacob Keller 36517fd397 ice: track hardware stat registers past rollover
Currently, ice_stat_update32 and ice_stat_update40 will limit the
value of the software statistic to 32 or 40 bits wide, depending on
which register is being read.

This means that if a driver is running for a long time, the displayed
software register values will roll over to zero at 40 bits or 32 bits.

This occurs because the functions directly assign the difference between
the previous value and current value of the hardware statistic.

Instead, add this value to the current software statistic, and then
update the previous value.

In this way, each time ice_stat_update40 or ice_stat_update32 are
called, they will increment the software tracking value by the
difference of the hardware register from its last read. The software
tracking value will correctly count up until it overflows a u64.

The only requirement is that the ice_stat_update functions be called at
least once each time the hardware register overflows.

While we're fixing ice_stat_update40, modify it to use rd64 instead of
two calls to rd32. Additionally, drop the now unnecessary hireg
function parameter.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2019-07-31 10:23:04 -07:00
Anirudh Venkataramanan 2f2da36ebf ice: Trivial cosmetic changes
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>
2019-05-30 10:57:55 -07:00
Jacob Keller 4f70daa081 ice: Use a different ICE_DBG bit for firmware log messages
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>
2019-05-30 10:51:33 -07:00
Anirudh Venkataramanan ed14245ab7 ice: Update function header
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>
2019-05-30 10:48:51 -07:00