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Till now, the field 'mlxsw_core->emad.enable_string_tlv' is set as part
of mlxsw_sp_init(), this means that it can be changed during
emad_reg_access(). To avoid such change, this field is read once in
emad_reg_access() and the value is used all the way.
The previous patch sets this value according to MGIR output, as part of
mlxsw_emad_init(), so now it cannot be changed while sending EMADs.
Do not save 'enable_string_tlv' and do not pass it to functions, just pass
'struct mlxsw_core' and use the value directly from it.
Signed-off-by: Amit Cohen <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Signed-off-by: Petr Machata <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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String TLV is not supported by old firmware versions, therefore
'struct mlxsw_core' stores the field 'emad.enable_string_tlv', which is
set to true only after firmware version check.
Instead of assuming that firmware version check is enough to enable
string TLV, a better solution is to query if this TLV is supported from
MGIR register. Add such query and initialize 'emad.enable_string_tlv'
accordingly.
Signed-off-by: Amit Cohen <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Signed-off-by: Petr Machata <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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MGIR (Management General Information Register) allows software to query the
hardware and firmware general information. As part of firmware information,
the driver can query if string TLV and latency TLV are supported. These
TLVs are part of EMAD's header and are used to provide information per
EMAD packet to software.
Currently, string TLV is already used by the driver, but it does not
query if this TLV is supported from MGIR. The next patches will add support
of latency TLV. Add the relevant fields to MGIR, so then the driver will
query them to know if the TLVs are supported before using them.
Signed-off-by: Amit Cohen <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Signed-off-by: Petr Machata <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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If one of ports in the ethernet-ports was disabled, this driver
failed to probe all ports. So, fix it.
Fixes: 3590918b5d07 ("net: ethernet: renesas: Add support for "Ethernet Switch"")
Signed-off-by: Yoshihiro Shimoda <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The PCI and queue number info is missing in IRQ names.
Add PCI and queue number to IRQ names, to allow CPU affinity
tuning scripts to work.
Cc: [email protected]
Fixes: ca9c54d2d6a5 ("net: mana: Add a driver for Microsoft Azure Network Adapter (MANA)")
Signed-off-by: Haiyang Zhang <[email protected]>
Reviewed-by: Jesse Brandeburg <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Use kmemdup() helper instead of open-coding to simplify
the code when allocating newckf and newcaf.
Generated by: scripts/coccinelle/api/memdup.cocci
Signed-off-by: Yang Yingliang <[email protected]>
Reviewed-by: Jesse Brandeburg <[email protected]>
Reviewed-by: Steen Hegelund <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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The MDIO core should not pass a C45 request via the C22 API call any
more. So remove the tests from the drivers.
Signed-off-by: Andrew Lunn <[email protected]>
Signed-off-by: Michael Walle <[email protected]>
Reviewed-by: Russell King (Oracle) <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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With the new C45 MDIO access API, there is no encoding of the register
number anymore and thus the masking isn't necessary anymore. Remove it.
Signed-off-by: Michael Walle <[email protected]>
Reviewed-by: Russell King (Oracle) <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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drivers/net/ipa/ipa_interrupt.c
drivers/net/ipa/ipa_interrupt.h
9ec9b2a30853 ("net: ipa: disable ipa interrupt during suspend")
8e461e1f092b ("net: ipa: introduce ipa_interrupt_enable()")
d50ed3558719 ("net: ipa: enable IPA interrupt handlers separate from registration")
https://lore.kernel.org/all/[email protected]/
https://lore.kernel.org/all/[email protected]/
Signed-off-by: Jakub Kicinski <[email protected]>
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iavf_replace_primary_mac() utilizes queue_work() to schedule the
watchdog task but that only ensures that the watchdog task is queued
to run. To make sure the watchdog is executed asap use
mod_delayed_work().
Without this patch it may take up to 2s until the watchdog task gets
executed, which may cause long delays when setting the MAC address.
Fixes: a3e839d539e0 ("iavf: Add usage of new virtchnl format to set default MAC")
Signed-off-by: Stefan Assmann <[email protected]>
Reviewed-by: Michal Schmidt <[email protected]>
Tested-by: Michal Schmidt <[email protected]>
Tested-by: Rafal Romanowski <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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Remove netdev_update_features() from iavf_adminq_task(), as it can cause
deadlocks due to needing rtnl_lock. Instead use the
IAVF_FLAG_SETUP_NETDEV_FEATURES flag to indicate that netdev features need
to be updated in the watchdog task. iavf_set_vlan_offload_features()
and iavf_set_queue_vlan_tag_loc() can be called directly from
iavf_virtchnl_completion().
Suggested-by: Phani Burra <[email protected]>
Signed-off-by: Marcin Szycik <[email protected]>
Reviewed-by: Alexander Lobakin <[email protected]>
Tested-by: Marek Szlosek <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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We are seeing an issue where setting the MAC address on iavf fails with
EAGAIN after the 2.5s timeout expires in iavf_set_mac().
There is the following deadlock scenario:
iavf_set_mac(), holding rtnl_lock, waits on:
iavf_watchdog_task (within iavf_wq) to send a message to the PF,
and
iavf_adminq_task (within iavf_wq) to receive a response from the PF.
In this adapter state (>=__IAVF_DOWN), these tasks do not need to take
rtnl_lock, but iavf_wq is a global single-threaded workqueue, so they
may get stuck waiting for another adapter's iavf_watchdog_task to run
iavf_init_config_adapter(), which does take rtnl_lock.
The deadlock resolves itself by the timeout in iavf_set_mac(),
which results in EAGAIN returned to userspace.
Let's break the deadlock loop by changing iavf_wq into a per-adapter
workqueue, so that one adapter's tasks are not blocked by another's.
Fixes: 35a2443d0910 ("iavf: Add waiting for response from PF in set mac")
Co-developed-by: Ivan Vecera <[email protected]>
Signed-off-by: Ivan Vecera <[email protected]>
Signed-off-by: Michal Schmidt <[email protected]>
Tested-by: Rafal Romanowski <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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This reverts commit b4fbf0b27fa9dd2594b3371532341bd4636a00f9, reversing
changes made to 6c977c5c2e4c5d8ad1b604724cc344e38f96fe9b.
This seems like net-next material.
Signed-off-by: Jakub Kicinski <[email protected]>
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CPT HW would trigger the CPT AF FLT interrupt when CPT engines
hits some uncorrectable errors and AF is the one which receives
the interrupt and recovers the engines.
This patch adds a mailbox for CPT VFs to request for CPT faulted
and recovered engines info.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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The CN10K CPT coprocessor contains a context processor
to accelerate updates to the IPsec security association
contexts. The context processor contains a context cache.
This patch updates CPT LF ALLOC mailbox to config ctx_ilen
requested by VFs. CPT_LF_ALLOC:ctx_ilen is the size of
initial context fetch.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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CN10K CPT coprocessor includes a component named RXC which
is responsible for reassembly of inner IP packets. RXC has
the feature to evict oldest entries based on age/threshold.
The age/threshold is being set to minimum values to evict
all entries at the time of teardown.
This patch adds code to restore timeout and threshold config
after teardown sequence is complete as it is global config.
Signed-off-by: Nithin Dabilpuram <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Optimize CPT PF identification in mbox handling for faster
mbox response by doing it at AF driver probe instead of
every mbox message.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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On OcteonTX2 platform CPT instruction enqueue is only
possible via LMTST operations.
The existing FLR sequence mentioned in HRM requires
a dummy LMTST to CPT but LMTST can't be submitted from
AF driver. So, HW team provided a new sequence to avoid
dummy LMTST. This patch adds code for the same.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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On OcteonTX2 SoC, the admin function (AF) is the only one with all
priviliges to configure HW and alloc resources, PFs and it's VFs
have to request AF via mailbox for all their needs.
This patch adds a new mailbox for CPT VFs to request for CPT LF
reset.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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When CPT engine has uncorrectable errors, it will get halted and
must be disabled and re-enabled. This patch adds code for the same.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Previously support for GNSS was implemented as a TTY driver, it allowed
to access GNSS receiver on /dev/ttyGNSS_<bus><func>.
Use generic GNSS subsystem API instead of implementing own TTY driver.
The receiver is accessible on /dev/gnss<id>. In case of multiple receivers
in the OS, correct device can be found by enumerating either:
- /sys/class/net/<eth port>/device/gnss/
- /sys/class/gnss/gnss<id>/device/
Using GNSS subsystem is superior to implementing own TTY driver, as the
GNSS subsystem was designed solely for this purpose. It also implements
TTY driver but in a common and defined way.
From user perspective, there is no difference in communicating with a
device, except new path to the device shall be used. The device will
provide same information to the userspace as the old one, and can be used
in the same way, i.e.:
old # gpsmon /dev/ttyGNSS_2100_0
new # gpsmon /dev/gnss0
There is no other impact on userspace tools.
User expecting onboard GNSS receiver support is required to enable
CONFIG_GNSS=y/m in kernel config.
Reviewed-by: Alexander Lobakin <[email protected]>
Signed-off-by: Karol Kolacinski <[email protected]>
Signed-off-by: Michal Michalik <[email protected]>
Signed-off-by: Arkadiusz Kubalewski <[email protected]>
Tested-by: Gurucharan G <[email protected]> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <[email protected]>
Acked-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The acpi_evaluate_dsm_typed() provides a way to check the type of the
object evaluated by _DSM call. Use it instead of open coded variant.
Signed-off-by: Andy Shevchenko <[email protected]>
Reviewed-by: Tony Nguyen <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Test names were being concatenated based on a offset beyond the end of
the first name, which tripped the buffer overflow detection logic:
detected buffer overflow in strnlen
[...]
Call Trace:
bnxt_ethtool_init.cold+0x18/0x18
Refactor struct hwrm_selftest_qlist_output to use an actual array,
and adjust the concatenation to use snprintf() rather than a series of
strncat() calls.
Reported-by: Niklas Cassel <[email protected]>
Link: https://lore.kernel.org/lkml/Y8F%2F1w1AZTvLglFX@x1-carbon/
Tested-by: Niklas Cassel <[email protected]>
Fixes: eb51365846bc ("bnxt_en: Add basic ethtool -t selftest support.")
Cc: Michael Chan <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Jakub Kicinski <[email protected]>
Cc: Paolo Abeni <[email protected]>
Cc: [email protected]
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Michael Chan <[email protected]>
Reviewed-by: Niklas Cassel <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-01-19 (ice)
This series contains updates to ice driver only.
Tsotne and Anatolii implement new handling, and AdminQ command, for
firmware LLDP, adding a pending notification to allow for proper
cleanup between TC changes.
Amritha extends support for drop action outside of switchdev.
Siddaraju adjusts restriction for PTP HW clock adjustments.
Ani removes an unneeded non-null check and improves reporting of some link
modes to utilize more appropriate values.
Jesse adds checks to ensure PF VSI type.
Przemek combines duplicate checks of the same condition into one check.
Tony makes various cleanups to code: removes comments for cppcheck
suppressions, reduces scope of some variables, changes some return
statements to reflect an explicit 0 return, matches naming for function
declaration and definition, adds local variable for readability, and
fixes indenting.
Sergey separates DDP (Dynamic Device Personalization) code into its own
file.
====================
Signed-off-by: David S. Miller <[email protected]>
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Add support for DSCP rewrite in Sparx5 driver. On egress DSCP is
rewritten from either classified DSCP, or frame DSCP. Classified DSCP is
determined by the Analyzer Classifier on ingress, and is mapped from
classified QoS class and DP level. Classification of DSCP is by default
enabled for all ports.
It is required that DSCP is trusted for the egress port *and* rewrite
table is not empty, in order to rewrite DSCP based on classified DSCP,
otherwise DSCP is always rewritten from frame DSCP.
classified_dscp = qos_dscp_map[8 * dp_level + qos_class];
if (active_mappings && dscp_is_trusted)
rewritten_dscp = classified_dscp
else
rewritten_dscp = frame_dscp
To rewrite DSCP to 20 for any frames with priority 7:
$ dcb apptrust set dev eth0 order dscp
$ dcb rewr add dev eth0 7:20 <-- not in iproute2/dcb yet
Signed-off-by: Daniel Machon <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Add support for rewrite of PCP and DEI, based on classified Quality of
Service (QoS) class and Drop-Precedence (DP) level.
The DCB rewrite table is queried for mappings between priority and
PCP/DEI. The classified DP level is then encoded in the DEI bit, if a
mapping for DEI exists.
Sparx5 has four DP levels, where by default, 0 is mapped to DE0 and 1-3
are mapped to DE1. If a mapping exists where DEI=1, then all classified
DP levels mapped to DE1 will set the DEI bit. The other way around for
DEI=0. Effectively, this means that the tagged DEI bit will reflect the
DP level for any mappings where DEI=1.
Map priority=1 to PCP=1 and DEI=1:
$ dcb rewr add dev eth0 pcp-prio 1:1de
Map priority=7 to PCP=2 and DEI=0
$ dcb rewr add dev eth0 pcp-prio 7:2nd
Also, sparx5_dcb_ieee_dscp_setdel() has been refactored, to work for
both APP and rewrite entries.
Signed-off-by: Daniel Machon <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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In the original implementation of dwmac5
commit 8bf993a5877e ("net: stmmac: Add support for DWMAC5 and implement Safety Features")
all safety features were enabled by default.
Later it seems some implementations didn't have support for all the
features, so in
commit 5ac712dcdfef ("net: stmmac: enable platform specific safety features")
the safety_feat_cfg structure was added to the callback and defined for
some platforms to selectively enable these safety features.
The problem is that only certain platforms were given that software
support. If the automotive safety package bit is set in the hardware
features register the safety feature callback is called for the platform,
and for platforms that didn't get a safety_feat_cfg defined this results
in the following NULL pointer dereference:
[ 7.933303] Call trace:
[ 7.935812] dwmac5_safety_feat_config+0x20/0x170 [stmmac]
[ 7.941455] __stmmac_open+0x16c/0x474 [stmmac]
[ 7.946117] stmmac_open+0x38/0x70 [stmmac]
[ 7.950414] __dev_open+0x100/0x1dc
[ 7.954006] __dev_change_flags+0x18c/0x204
[ 7.958297] dev_change_flags+0x24/0x6c
[ 7.962237] do_setlink+0x2b8/0xfa4
[ 7.965827] __rtnl_newlink+0x4ec/0x840
[ 7.969766] rtnl_newlink+0x50/0x80
[ 7.973353] rtnetlink_rcv_msg+0x12c/0x374
[ 7.977557] netlink_rcv_skb+0x5c/0x130
[ 7.981500] rtnetlink_rcv+0x18/0x2c
[ 7.985172] netlink_unicast+0x2e8/0x340
[ 7.989197] netlink_sendmsg+0x1a8/0x420
[ 7.993222] ____sys_sendmsg+0x218/0x280
[ 7.997249] ___sys_sendmsg+0xac/0x100
[ 8.001103] __sys_sendmsg+0x84/0xe0
[ 8.004776] __arm64_sys_sendmsg+0x24/0x30
[ 8.008983] invoke_syscall+0x48/0x114
[ 8.012840] el0_svc_common.constprop.0+0xcc/0xec
[ 8.017665] do_el0_svc+0x38/0xb0
[ 8.021071] el0_svc+0x2c/0x84
[ 8.024212] el0t_64_sync_handler+0xf4/0x120
[ 8.028598] el0t_64_sync+0x190/0x194
Go back to the original behavior, if the automotive safety package
is found to be supported in hardware enable all the features unless
safety_feat_cfg is passed in saying this particular platform only
supports a subset of the features.
Fixes: 5ac712dcdfef ("net: stmmac: enable platform specific safety features")
Reported-by: Ning Cai <[email protected]>
Signed-off-by: Andrew Halaney <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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CPT HW would trigger the CPT AF FLT interrupt when CPT engines
hits some uncorrectable errors and AF is the one which receives
the interrupt and recovers the engines.
This patch adds a mailbox for CPT VFs to request for CPT faulted
and recovered engines info.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The CN10K CPT coprocessor contains a context processor
to accelerate updates to the IPsec security association
contexts. The context processor contains a context cache.
This patch updates CPT LF ALLOC mailbox to config ctx_ilen
requested by VFs. CPT_LF_ALLOC:ctx_ilen is the size of
initial context fetch.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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CN10K CPT coprocessor includes a component named RXC which
is responsible for reassembly of inner IP packets. RXC has
the feature to evict oldest entries based on age/threshold.
The age/threshold is being set to minimum values to evict
all entries at the time of teardown.
This patch adds code to restore timeout and threshold config
after teardown sequence is complete as it is global config.
Signed-off-by: Nithin Dabilpuram <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Optimize CPT PF identification in mbox handling for faster
mbox response by doing it at AF driver probe instead of
every mbox message.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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On OcteonTX2 platform CPT instruction enqueue is only
possible via LMTST operations.
The existing FLR sequence mentioned in HRM requires
a dummy LMTST to CPT but LMTST can't be submitted from
AF driver. So, HW team provided a new sequence to avoid
dummy LMTST. This patch adds code for the same.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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On OcteonTX2 SoC, the admin function (AF) is the only one with all
priviliges to configure HW and alloc resources, PFs and it's VFs
have to request AF via mailbox for all their needs.
This patch adds a new mailbox for CPT VFs to request for CPT LF
reset.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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When CPT engine has uncorrectable errors, it will get halted and
must be disabled and re-enabled. This patch adds code for the same.
Signed-off-by: Srujana Challa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2023-01-18
1) From Rahul,
1.1) extended range for PTP adjtime and adjphase
1.2) adjphase function to support hardware-only offset control
2) From Roi, code cleanup to the TC module.
3) From Maor, TC support for Geneve and GRE with VF tunnel offload
4) Cleanups and minor updates.
* tag 'mlx5-updates-2023-01-18' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5e: Use read lock for eswitch get callbacks
net/mlx5e: Remove redundant allocation of spec in create indirect fwd group
net/mlx5e: Support Geneve and GRE with VF tunnel offload
net/mlx5: E-Switch, Fix typo for egress
net/mlx5e: Warn when destroying mod hdr hash table that is not empty
net/mlx5e: TC, Use common function allocating flow mod hdr or encap mod hdr
net/mlx5e: TC, Add tc prefix to attach/detach hdr functions
net/mlx5e: TC, Pass flow attr to attach/detach mod hdr functions
net/mlx5e: Add warning when log WQE size is smaller than log stride size
net/mlx5e: Fail with messages when params are not valid for XSK
net/mlx5: E-switch, Remove redundant comment about meta rules
net/mlx5: Add hardware extended range support for PTP adjtime and adjphase
net/mlx5: Add adjphase function to support hardware-only offset control
net/mlx5: Suppress error logging on UCTX creation
net/mlx5e: Suppress Send WQEBB room warning for PAGE_SIZE >= 16KB
====================
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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Remove port-specific health reporter destroy function as it is
currently the same as the instance one so no longer needed. Inline
__devlink_health_reporter_destroy() as it is no longer called from
multiple places.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Similar to other devlink objects, protect the reporters list
by devlink instance lock. Alongside add unlocked versions
of health reporter create/destroy functions and use them in drivers
on call paths where the instance lock is held.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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The MLX5E_LOCKED_FLOW flag is not checked anywhere now so remove it
entirely.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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The fact that devlink instance lock is held over mlx5 auxiliary devices
probe and remove routines brought a need to conditionally take devlink
instance lock there. The code is checking a MLX5E_LOCKED_FLOW flag
in mlx5 priv struct.
This is racy and may lead to access devlink objects without holding
instance lock or deadlock.
To avoid this, the only lock-wise sane solution is to make the
devlink entities created by the auxiliary device independent on
the original pci devlink instance. Create devlink instance for the
auxiliary device and put the uplink port instance there alongside with
the port health reporters.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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Similar to other devlink objects, convert the linecards list to be
protected by devlink instance lock. Alongside with that rename the
create/destroy() functions to devl_* to indicate the devlink instance
lock needs to be held while calling them.
Signed-off-by: Jiri Pirko <[email protected]>
Reviewed-by: Ido Schimmel <[email protected]>
Reviewed-by: Jacob Keller <[email protected]>
Signed-off-by: Jakub Kicinski <[email protected]>
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In the am65_cpsw_init_serdes_phy() function, the error handling for the
call to the devm_of_phy_get() function misses the case where the return
value of devm_of_phy_get() is ERR_PTR(-EPROBE_DEFER). Proceeding without
handling this case will result in a crash when the "phy" pointer with
this value is dereferenced by phy_init() in am65_cpsw_enable_phy().
Fix this by adding appropriate error handling code.
Reported-by: Geert Uytterhoeven <[email protected]>
Fixes: dab2b265dd23 ("net: ethernet: ti: am65-cpsw: Add support for SERDES configuration")
Suggested-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Siddharth Vadapalli <[email protected]>
Reviewed-by: Roger Quadros <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>
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smatch reports inconsistent indenting due to an extra space; remove it to
resolve the issue.
smatch warnings:
drivers/net/ethernet/intel/ice/ice_lib.c:1673 ice_vsi_alloc_ring_stats() warn: inconsistent indenting
Reported-by: kernel test robot <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
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Based on previous feedback[1], introduce a local var to make things more
readable.
[1] https://lore.kernel.org/netdev/20220315203218.607f612b@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com/
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Gurucharan G <[email protected]> (A Contingent worker at Intel)
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The parameter name in the function declaration and definition do not
match; adjust the naming for consistency and to avoid confusion.
Signed-off-by: Tony Nguyen <[email protected]>
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Previous checks, and goto, will catch all errors meaning these returns
will only return 0; explicitly return 0 for these cases.
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Gurucharan G <[email protected]> (A Contingent worker at Intel)
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There are some places where the scope of a variable can
be reduced, so do that.
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Gurucharan G <[email protected]> (A Contingent worker at Intel)
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Currently, ice_flex_pipe.c includes the DDP loading functions
and has grown large. Although flexible processing support
code is related to DDP loading, these parts are distinct.
Move the DDP loading functionality from ice_flex_pipe.c to
a separate file.
Signed-off-by: Sergey Temerkhanov <[email protected]>
Tested-by: Gurucharan G <[email protected]> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <[email protected]>
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The use of suppressions for cppcheck in the kernel does not look to be
standard as the ice driver is the only one doing it. Remove the
comments/suppressions.
Signed-off-by: Tony Nguyen <[email protected]>
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Combine if statements setting the same link speed together.
Suggested-by: Tony Nguyen <[email protected]>
Signed-off-by: Przemek Kitszel <[email protected]>
Acked-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Sunitha Mekala <[email protected]> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <[email protected]>
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Commit 2736d94f351b ("ethtool: Added support for 50Gbps per lane link modes")
in v5.1 added (among other things) support for 100G CR2/KR2/SR2 link modes.
Advertise these link modes if the firmware reports the corresponding PHY types.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Signed-off-by: Przemek Kitszel <[email protected]>
Tested-by: Sunitha Mekala <[email protected]> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <[email protected]>
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