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1) Dragos Improves RX page pool, and provides some fixes to his previous series:
1.1) Fix releasing page_pool for striding RQ and legacy RQ nonlinear case
1.2) Hook NAPIs to page pools to gain more performance.
2) From Roi, Some cleanups to TC and eswitch modules.
3) Maher migrates vnic diagnostic counters reporting from debugfs to a
dedicated devlink health reporter
Maher Says:
===========
net/mlx5: Expose vnic diagnostic counters using devlink
Currently, vnic diagnostic counters are exposed through the following
debugfs:
$ ls /sys/kernel/debug/mlx5/0000:08:00.0/esw/vf_0/vnic_diag/
cq_overrun
quota_exceeded_command
total_q_under_processor_handle
invalid_command
send_queue_priority_update_flow
nic_receive_steering_discard
The current design does not allow the hypervisor to view the diagnostic
counters of its VFs, in case the VFs get bound to a VM. In other words,
the counters are not exposed for representor interfaces.
Furthermore, the debugfs design is inconvenient future-wise, in case more
counters need to be reported by the driver in the future.
As these counters pertain to vNIC health, it is more appropriate to
utilize the devlink health reporter to expose them.
Thus, this patchest includes the following changes:
* Drop the current vnic diagnostic counters debugfs interface.
* Add a vnic devlink health reporter for PFs/VFs core devices, which
when diagnosed will dump vnic diagnostic counter values that are
queried from FW.
* Add a vnic devlink health reporter for the representor interface, which
serves the same purpose listed in the previous point, in addition to
allowing the hypervisor to view its VFs diagnostic counters, even when
the VFs are bounded to external VMs.
Example of devlink health reporter usage is:
$devlink health diagnose pci/0000:08:00.0 reporter vnic
vNIC env counters:
total_error_queues: 0 send_queue_priority_update_flow: 0
comp_eq_overrun: 0 async_eq_overrun: 0 cq_overrun: 0
invalid_command: 0 quota_exceeded_command: 0
nic_receive_steering_discard: 0
===========
4) SW steering fixes and improvements
Yevgeny Kliteynik Says:
=======================
These short patch series are just small fixes / improvements for
SW steering:
- Patch 1: Fix dumping of legacy modify_hdr in debug dump to
align to what is expected by parser
- Patch 2: Have separate threshold for ICM sync per ICM type
- Patch 3: Add more info to the steering debug dump - Linux
version and device name
- Patch 4: Keep track of number of buddies that are currently
in use per domain per buddy type
=======================
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Merge tag 'mlx5-updates-2023-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux
Saeed Mahameed says:
====================
mlx5-updates-2023-04-20
1) Dragos Improves RX page pool, and provides some fixes to his previous
series:
1.1) Fix releasing page_pool for striding RQ and legacy RQ nonlinear case
1.2) Hook NAPIs to page pools to gain more performance.
2) From Roi, Some cleanups to TC and eswitch modules.
3) Maher migrates vnic diagnostic counters reporting from debugfs to a
dedicated devlink health reporter
Maher Says:
===========
net/mlx5: Expose vnic diagnostic counters using devlink
Currently, vnic diagnostic counters are exposed through the following
debugfs:
$ ls /sys/kernel/debug/mlx5/0000:08:00.0/esw/vf_0/vnic_diag/
cq_overrun
quota_exceeded_command
total_q_under_processor_handle
invalid_command
send_queue_priority_update_flow
nic_receive_steering_discard
The current design does not allow the hypervisor to view the diagnostic
counters of its VFs, in case the VFs get bound to a VM. In other words,
the counters are not exposed for representor interfaces.
Furthermore, the debugfs design is inconvenient future-wise, in case more
counters need to be reported by the driver in the future.
As these counters pertain to vNIC health, it is more appropriate to
utilize the devlink health reporter to expose them.
Thus, this patchest includes the following changes:
* Drop the current vnic diagnostic counters debugfs interface.
* Add a vnic devlink health reporter for PFs/VFs core devices, which
when diagnosed will dump vnic diagnostic counter values that are
queried from FW.
* Add a vnic devlink health reporter for the representor interface, which
serves the same purpose listed in the previous point, in addition to
allowing the hypervisor to view its VFs diagnostic counters, even when
the VFs are bounded to external VMs.
Example of devlink health reporter usage is:
$devlink health diagnose pci/0000:08:00.0 reporter vnic
vNIC env counters:
total_error_queues: 0 send_queue_priority_update_flow: 0
comp_eq_overrun: 0 async_eq_overrun: 0 cq_overrun: 0
invalid_command: 0 quota_exceeded_command: 0
nic_receive_steering_discard: 0
===========
4) SW steering fixes and improvements
Yevgeny Kliteynik Says:
=======================
These short patch series are just small fixes / improvements for
SW steering:
- Patch 1: Fix dumping of legacy modify_hdr in debug dump to
align to what is expected by parser
- Patch 2: Have separate threshold for ICM sync per ICM type
- Patch 3: Add more info to the steering debug dump - Linux
version and device name
- Patch 4: Keep track of number of buddies that are currently
in use per domain per buddy type
=======================
* tag 'mlx5-updates-2023-04-20' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux:
net/mlx5: Update op_mode to op_mod for port selection
net/mlx5: E-Switch, Remove unused mlx5_esw_offloads_vport_metadata_set()
net/mlx5: E-Switch, Remove redundant dev arg from mlx5_esw_vport_alloc()
net/mlx5: Include linux/pci.h for pci_msix_can_alloc_dyn()
net/mlx5e: RX, Hook NAPIs to page pools
net/mlx5e: RX, Fix XDP_TX page release for legacy rq nonlinear case
net/mlx5e: RX, Fix releasing page_pool pages twice for striding RQ
net/mlx5e: Add vnic devlink health reporter to representors
net/mlx5: Add vnic devlink health reporter to PFs/VFs
Revert "net/mlx5: Expose vnic diagnostic counters for eswitch managed vports"
Revert "net/mlx5: Expose steering dropped packets counter"
net/mlx5: DR, Add memory statistics for domain object
net/mlx5: DR, Add more info in domain dbg dump
net/mlx5: DR, Calculate sync threshold of each pool according to its type
net/mlx5: DR, Fix dumping of legacy modify_hdr in debug dump
====================
Link: https://lore.kernel.org/r/20230421013850.349646-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
fbc1449d38