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The External Interrupt Controller (EINTC) on all of the supported
MediaTek SoCs does support input debouncing, but not all of them
index the debounce time values (DBNC_SETTING registers) the same way.
Before this change, in some cases, as an example, requesting a debounce
time of 16 milliseconds would mistakenly set the relative DBNC_SETTING
register to 0x2, resulting in a way shorter debounce time of 500uS.
To fix the aforementioned issue, define three different debounce_time
arrays, reflecting the correct register index for each value and for
each register index variant, and make sure that each SoC pinctrl
driver uses the right one.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221111094106.18486-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
free_irq() is missing in case of error in platform_pci_probe(), fix that.
Signed-off-by: ruanjinjie <ruanjinjie@huawei.com>
Reviewed-by: Oleksandr Tyshchenko <oleksandr_tyshchenko@epam.com>
Link: https://lore.kernel.org/r/20221114112124.1965611-1-ruanjinjie@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
When Xen domain configures MSI-X, the usual approach is to enable MSI-X
together with masking all of them via the config space, then fill the
table and only then clear PCI_MSIX_FLAGS_MASKALL. Allow doing this via
QEMU running in a stub domain.
Previously, when changing PCI_MSIX_FLAGS_MASKALL was not allowed, the
whole write was aborted, preventing change to the PCI_MSIX_FLAGS_ENABLE
bit too.
Note the Xen hypervisor intercepts this write anyway, and may keep the
PCI_MSIX_FLAGS_MASKALL bit set if it wishes to. It will store the
guest-requested state and will apply it eventually.
Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
Reviewed-by: Jan Beulich <jbeulich@suse.com>
Link: https://lore.kernel.org/r/20221114103110.1519413-1-marmarek@invisiblethingslab.com
Signed-off-by: Juergen Gross <jgross@suse.com>
In device_add(), dev_set_name() is called to allocate name, if it returns
error, the name need be freed. As comment of device_register() says, it
should use put_device() to give up the reference in the error path. So fix
this by calling put_device(), then the name can be freed in kobject_cleanup().
Fixes: f65c9bb3fb72 ("xen/pcpu: Xen physical cpus online/offline sys interface")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Link: https://lore.kernel.org/r/20221110152441.401630-1-yangyingliang@huawei.com
Signed-off-by: Juergen Gross <jgross@suse.com>
strtobool() is the same as kstrtobool().
However, the latter is more used within the kernel.
In order to remove strtobool() and slightly simplify kstrtox.h, switch to
the other function name.
While at it, include the corresponding header file (<linux/kstrtox.h>)
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Link: https://lore.kernel.org/r/e91af3c8708af38b1c57e0a2d7eb9765dda0e963.1667336095.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Juergen Gross <jgross@suse.com>
Misc updates to mlx5 driver
1) Support enhanced CQE compression, on ConnectX6-Dx
Reduce irq rate, cpu utilization and latency.
2) Connection tracking: Optimize the pre_ct table lookup for rules
installed on chain 0.
3) implement ethtool get_link_ext_stats for PHY down events
4) Expose device vhca_id to debugfs
5) misc cleanups and trivial changes
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Merge tag 'mlx5-updates-2022-11-12' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2022-11-12
Misc updates to mlx5 driver
1) Support enhanced CQE compression, on ConnectX6-Dx
Reduce irq rate, cpu utilization and latency.
2) Connection tracking: Optimize the pre_ct table lookup for rules
installed on chain 0.
3) implement ethtool get_link_ext_stats for PHY down events
4) Expose device vhca_id to debugfs
5) misc cleanups and trivial changes
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
There are multi-generational drivers like mv88e6xxx which have code like
this:
int mv88e6xxx_port_hwtstamp_get(struct dsa_switch *ds, int port,
struct ifreq *ifr)
{
if (!chip->info->ptp_support)
return -EOPNOTSUPP;
...
}
DSA wants to deny PTP timestamping on the master if the switch supports
timestamping too. However it currently relies on the presence of the
port_hwtstamp_get() callback to determine PTP capability, and this
clearly does not work in that case (method is present but returns
-EOPNOTSUPP).
We should not deny PTP on the DSA master for those switches which truly
do not support hardware timestamping.
Create a dsa_port_supports_hwtstamp() method which actually probes for
support by calling port_hwtstamp_get() and seeing whether that returned
-EOPNOTSUPP or not.
Fixes: f685e609a301 ("net: dsa: Deny PTP on master if switch supports it")
Link: https://patchwork.kernel.org/project/netdevbpf/patch/20221110124345.3901389-1-festevam@gmail.com/
Reported-by: Fabio Estevam <festevam@gmail.com>
Reported-by: Steffen Bätz <steffen@innosonix.de>
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Tested-by: Fabio Estevam <festevam@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added xdp and page pool statistics.
In order to make the implementation simple and compatible, the patch
uses the 32bit integer to record the XDP statistics.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steen Hegelund says:
====================
net: Add support for sorted VCAP rules in Sparx5
This provides support for adding Sparx5 VCAP rules in sorted order, VCAP
rule counters and TC filter matching on ARP frames.
It builds on top of the initial IS2 VCAP support found in these series:
https://lore.kernel.org/all/20221020130904.1215072-1-steen.hegelund@microchip.com/https://lore.kernel.org/all/20221109114116.3612477-1-steen.hegelund@microchip.com/
Functionality
=============
When a new VCAP rule is added the driver will now ensure that the rule is
inserted in sorted order, and when a rule is removed, the remaining rules
will be moved to keep the sorted order and remove any gaps in the VCAP
address space.
A VCAP rule is ordered using these 3 values:
- Rule size: the count of VCAP addresses used by the rule. The largest
rule have highest priority
- Rule User: The rules are ordered by the user enumeration
- Priority: The priority provided in the flower filter. The lowest value
has the highest priority.
A VCAP instance may contain the counter as part of the VCAP cache area, and
this counter may be one or more bits in width. This type of counter
automatically increments its value when the rule is hit.
Other VCAP instances have a dedicated counter area outside of the VCAP and
in this case the rule must contain the counter id to be able to locate the
counter value and cause the counter to be incremented. In this case there
must also be a VCAP rule action that sets the counter id.
The Sparx5 IS2 VCAP uses a dedicated counter area with 32bit counters.
This series adds support for getting VCAP rule counters and provide these
via the TC statistic interface.
This only support packet counters, not byte counters.
Finally the series adds support for the ARP frame dissector and configures
the Sparx5 IS2 VCAP to generate the ARP keyset when ARP traffic is
received.
Delivery:
=========
This is current plan for delivering the full VCAP feature set of Sparx5:
- DebugFS support for inspecting rules
- TC protocol all support
- Sparx5 IS0 VCAP support
- TC policer and drop action support (depends on the Sparx5 QoS support
upstreamed separately)
- Sparx5 ES0 VCAP support
- TC flower template support
- TC matchall filter support for mirroring and policing ports
- TC flower filter mirror action support
- Sparx5 ES2 VCAP support
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
This tests the insert, move and deleting of rules and checks that the
unused VCAP addresses are initialized correctly.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This provides flower filter packet statistics (bytes are not supported) via
the dedicated IS2 counter feature.
All rules having the same TC cookie will contribute to the packet
statistics for the filter as they are considered to be part of the same TC
flower filter.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds API methods to set and get a rule counter.
A VCAP instance may contain the counter as part of the VCAP cache area, and
this counter may be one or more bits in width. This type of counter
automatically increments it value when the rule is hit.
Other VCAP instances have a dedicated counter area outside of the VCAP and
in this case the rule must contain the counter id to be able to locate the
counter value. In this case there must also be a rule action that updates
the counter using the rule id when the rule is hit.
The Sparx5 IS2 VCAP uses a dedicated counter area.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds a sorting criteria to rule insertion and deletion.
The criteria is (in the listed order):
- Rule size (largest size first)
- User (based on an enumerated user value)
- Priority (highest priority first, aka lowest value)
When a rule is deleted the other rules may need to be moved to fill the gap
to use the available VCAP address space in the best possible way.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This add support for Sparx5 for dissecting TC ARP flower filter keys and
sets up the Sparx5 IS2 VCAP to generate the ARP keyset for ARP frames.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds a new flow_rule_match_arp function that allows drivers
to be able to dissect ARP frames.
Signed-off-by: Steen Hegelund <steen.hegelund@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
MHI driver registers network device without setting the
needs_free_netdev flag, and does NOT call free_netdev() when
unregisters network device, which causes a memory leak.
This patch calls free_netdev() to fix it since netdev_priv
is used after unregister.
Fixes: 13adac032982 ("net: mhi_net: Register wwan_ops for link creation")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The value of 'st->state' has been verified as "TCP_SEQ_STATE_LISTENING",
it's unnecessary to assign TCP_SEQ_STATE_LISTENING to it, so we can remove it.
Signed-off-by: xu xin <xu.xin16@zte.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ziyang Xuan says:
====================
octeon_ep: fix several bugs in exception paths
Find several obvious bugs during code review in exception paths. Provide
this patchset to fix them. Not tested, just compiled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
octep_get_mac_addr() can fail because send mbox message failed. If this
happens, octep_dev->mac_addr will be zero. It should not continue to
initialize. Add exception handling for octep_get_mac_addr() to fix it.
Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When occur unsupported_dev and mbox init errors, it did not free oct->conf
and iounmap() oct->mmio[i].hw_addr. That would trigger memory leak problem.
Add kfree() for oct->conf and iounmap() for oct->mmio[i].hw_addr under
unsupported_dev and mbox init errors to fix the problem.
Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
octep_get_link_status() can fail because send mbox message failed, then
octep_get_link_status() will return ret less than 0. Excute octep_link_up()
as long as ret is not equal to 0 in octep_open() now. That is not correct.
The value type of link.state is enum octep_ctrl_net_state. Positive value
represents up. Excute octep_link_up() when ret is bigger than 0.
Fixes: 862cd659a6fb ("octeon_ep: Add driver framework and device initialization")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
octep_napi_add() and octep_napi_enable() are all after
netif_set_real_num_{tx,rx}_queues() in octep_open(), so it is unnecessary
napi rollback under set_queues_err. Delete them to fix it.
Fixes: 37d79d059606 ("octeon_ep: add Tx/Rx processing and interrupt support")
Signed-off-by: Ziyang Xuan <william.xuanziyang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When pci_register_driver failed, we need to remove debugfs,
which will caused a resource leak, fix it.
Resource leak logs as follows:
[ 52.184456] debugfs: Directory 'bnxt_en' with parent '/' already present!
Fixes: cabfb09d87bd ("bnxt_en: add debugfs support for DIM")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When connecting to client timeout, disconnect client for twice in
chnl_net_open(). Remove one. Compile tested only.
Fixes: 2aa40aef9deb ("caif: Use link layer MTU instead of fixed MTU")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
hlist_for_each_entry_rcu() has built-in RCU and lock checking.
Pass cond argument to hlist_for_each_entry_rcu() to silence false
lockdep warning when CONFIG_PROVE_RCU_LIST is enabled.
Execute as follow:
ip link add link eth0 type macvlan mode source macaddr add <MAC-ADDR>
The rtnl_lock is held when macvlan_hash_lookup_source() or
macvlan_fill_info_macaddr() are called in the non-RCU read side section.
So, pass lockdep_rtnl_is_held() to silence false lockdep warning.
Fixes: 79cf79abce71 ("macvlan: add source mode")
Signed-off-by: Chuang Wang <nashuiliang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Nick Child says:
====================
ibmvnic: Introduce affinity hint support
This is a patchset to do 3 things to improve ibmvnic performance:
1. Assign affinity hints to ibmvnic queue irq's
2. Update affinity hints on cpu hotplug events
3. Introduce transmit packet steering (XPS)
NOTE: If irqbalance is running, you need to stop it from overriding
our affinity hints. To do this you can do one of:
- systemctl stop irqbalance
- ban the ibmvnic module irqs
- you must have the latest irqbalance v9.2, the banmod argument was broken before this
- in /etc/sysconfig/irqbalance -> IRQBALANCE_ARGS="--banmod=ibmvnic"
- systemctl restart irqbalance
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Transmit Packet Steering (XPS) maps cpu numbers to transmit
queues. By running the same connection on the same set of cpu's,
contention for the queue and cache miss rate can be minimized.
When assigning a cpu mask for a tranmit queues irq number, assign
the same cpu mask as the set of cpu's that XPS should use for that
queue.
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When CPU's are added and removed, ibmvnic devices will reassign
hint values. Introduce a new cpu hotplug state CPUHP_IBMVNIC_DEAD
to signal to ibmvnic devices that the CPU has been removed and it
is time to reset affinity hint assignments. On the other hand,
when CPU's are being added, add a state instance to
CPUHP_AP_ONLINE_DYN which will trigger a reassignment of affinity
hints once the new CPU's are online. This implementation is based
on the virtio_net driver.
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Assign affinity hints to ibmvnic device queue interrupts.
Affinity hints are assigned and removed during sub-crq init and
teardown, respectively. This update should improve latency if
utilized as interrupt lines and processing are more equally
distributed among CPU's. This implementation is based on the
virtio_net driver.
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: Nick Child <nnac123@linux.ibm.com>
Reviewed-by: Rick Lindsley <ricklind@linux.ibm.com>
Reviewed-by: Haren Myneni <haren@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add support for 2 virtchnl msgs:
VIRTCHNL_OP_SET_RSS_HENA
VIRTCHNL_OP_GET_RSS_HENA_CAPS
The first one allows VFs to clear all previously programmed
RSS configuration and customize it. The second one returns
the RSS HENA bits allowed by the hardware.
Introduce ice_err_to_virt_err which converts kernel
specific errors to virtchnl errors.
Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@intel.com>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We should not release reference by put_device() before calling device_initialize().
Fixes: e7d1d4d9ac0d ("mISDN: fix possible memory leak in mISDN_register_device()")
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When liquidio driver open failed, it doesn't release resources. Compile
tested only.
Fixes: 5b07aee11227 ("liquidio: MSIX support for CN23XX")
Fixes: dbc97bfd3918 ("net: liquidio: Add missing null pointer checks")
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The error handling in tun_get_user is very scattered.
This patch unifies error handling, reduces duplication of code, and
makes the logic clearer.
Signed-off-by: Chuang Wang <nashuiliang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- check kmalloc failures in Loongson64 kexec
- fix builds with clang-14
- fix char/int handling in pic32
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Merge tag 'mips-fixes_6.1_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- fix jump label branch range check
- check kmalloc failures in Loongson64 kexec
- fix builds with clang-14
- fix char/int handling in pic32
* tag 'mips-fixes_6.1_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: pic32: treat port as signed integer
MIPS: jump_label: Fix compat branch range check
mips: alchemy: gpio: Include the right header
MIPS: Loongson64: Add WARN_ON on kexec related kmalloc failed
MIPS: fix duplicate definitions for exported symbols
mips: boot/compressed: use __NO_FORTIFY
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
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Merge tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi
Pull EFI fixes from Ard Biesheuvel:
- Force the use of SetVirtualAddressMap() on Ampera Altra arm64
machines, which crash in SetTime() if no virtual remapping is used
This is the first time we've added an SMBIOS based quirk on arm64,
but fortunately, we can just call a EFI protocol to grab the type #1
SMBIOS record when running in the stub, so we don't need all the
machinery we have in the kernel proper to parse SMBIOS data.
- Drop a spurious warning on misaligned runtime regions when using 16k
or 64k pages on arm64
* tag 'efi-fixes-for-v6.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
arm64: efi: Fix handling of misaligned runtime regions and drop warning
arm64: efi: Force the use of SetVirtualAddressMap() on Altra machines
Three small fixes, all in drivers. The sas one is in an unlikely
error leg, the debug one is to make it more standards conformant and
the ibmvfc one is to fix a user visible bug where a failover could
lose all paths to the device.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three small fixes, all in drivers.
The sas one is in an unlikely error leg, the debug one is to make it
more standards conformant and the ibmvfc one is to fix a user visible
bug where a failover could lose all paths to the device"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: scsi_debug: Make the READ CAPACITY response compliant with ZBC
scsi: scsi_transport_sas: Fix error handling in sas_phy_add()
scsi: ibmvfc: Avoid path failures during live migration
This contains a regression fix for the latest memalloc helper change.
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Merge tag 'sound-fix-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull additional sound fix from Takashi Iwai:
"A regression fix for the latest memalloc helper change"
* tag 'sound-fix-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: memalloc: Try dma_alloc_noncontiguous() at first
Implement ethtool_op get_link_ext_stats for PHY down events
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
The pre_ct table realizes in hardware the act_ct cache logic, bypassing
the CT table if the ct state was already set by a previous ct lookup.
As such, the pre_ct table will always miss for chain 0 filters.
Optimize the pre_ct table lookup for rules installed on chain 0.
Signed-off-by: Oz Shlomo <ozsh@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
A single async context object is sufficient to wait for the completions
of many callbacks. Switch to using one instance per a bulk of commands.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Waiting on a completion object for each callback before cleaning up their
async contexts is not necessary, as this is already implied in the
mlx5_cmd_cleanup_async_ctx() API.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Work field in struct mlx5e_async_ctx is not used. Remove it.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
The case where the packet is not offloaded and needs to be restored
to slow path and couldn't find expected tunnel information should not
dump a call trace to the user. there is a debug call.
Signed-off-by: Roi Dayan <roid@nvidia.com>
Reviewed-by: Maor Dickman <maord@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Up until now, return value of update_rx was ignored. Therefore, flow
continues even if it fails. Add error flow in case of update_rx fails in
mlx5e_open_locked, mlx5i_open and mlx5i_pkey_open.
Signed-off-by: Guy Truzman <gtruzman@nvidia.com>
Reviewed-by: Aya Levin <ayal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Params info print was meant to be printed on load.
With time, new calls to mlx5e_init_rq_type_params and
mlx5e_build_rq_params were added, mistakenly printing
the params once again.
Move the print to were it belongs, in mlx5e_probe.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Gal Pressman <gal@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
CQE compression feature improves performance by reducing PCI bandwidth
bottleneck on CQEs write.
Enhanced CQE compression introduced in ConnectX-6 and it aims to reduce
CPU utilization of SW side packets decompression by eliminating the
need to rewrite ownership bit, which is likely to cost a cache-miss, is
replaced by validity byte handled solely by HW.
Another advantage of the enhanced feature is that session packets are
available to SW as soon as a single CQE slot is filled, instead of
waiting for session to close, this improves packet latency from NIC to
host.
Performance:
Following are tested scenarios and reults comparing basic and enahnced
CQE compression.
setup: IXIA 100GbE connected directly to port 0 and port 1 of
ConnectX-6 Dx 100GbE dual port.
Case #1 RX only, single flow goes to single queue:
IRQ rate reduced by ~ 30%, CPU utilization improved by 2%.
Case #2 IP forwarding from port 1 to port 0 single flow goes to
single queue:
Avg latency improved from 60us to 21us, frame loss improved from 0.5% to 0.0%.
Case #3 IP forwarding from port 1 to port 0 Max Throughput IXIA sends
100%, 8192 UDP flows, goes to 24 queues:
Enhanced is equal or slightly better than basic.
Testing the basic compression feature with this patch shows there is
no perfrormance degradation of the basic compression feature.
Signed-off-by: Ofer Levi <oferle@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Replace the min/max operations with a single clamp.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This is never used, and probably something that was intended to be used
before per-protocol hash tables were chosen instead.
Signed-off-by: Anisse Astier <anisse@astier.eu>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
hca_id is an identifier of an mlx5_core instance within the hardware.
This identifier may be required for troubleshooting.
Expose it to debugfs.
Example:
$ cat /sys/kernel/debug/mlx5/mlx5_core.sf.2/vhca_id
0x12
Signed-off-by: Eli Cohen <elic@nvidia.com>
Reviewed-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
