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Diffstat (limited to 'Documentation/networking/multi-pf-netdev.rst')
| -rw-r--r-- | Documentation/networking/multi-pf-netdev.rst | 58 |
1 files changed, 29 insertions, 29 deletions
diff --git a/Documentation/networking/multi-pf-netdev.rst b/Documentation/networking/multi-pf-netdev.rst index be8e4bcadf1190..268819225866cb 100644 --- a/Documentation/networking/multi-pf-netdev.rst +++ b/Documentation/networking/multi-pf-netdev.rst @@ -87,35 +87,35 @@ all using the same instance under "priv->mdev". Observability ============= -The relation between PF, irq, napi, and queue can be observed via netlink spec: - -$ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump queue-get --json='{"ifindex": 13}' -[{'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'rx'}, - {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'rx'}, - {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'rx'}, - {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'rx'}, - {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'rx'}, - {'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'tx'}, - {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'tx'}, - {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'tx'}, - {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'tx'}, - {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'tx'}] - -$ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump napi-get --json='{"ifindex": 13}' -[{'id': 543, 'ifindex': 13, 'irq': 42}, - {'id': 542, 'ifindex': 13, 'irq': 41}, - {'id': 541, 'ifindex': 13, 'irq': 40}, - {'id': 540, 'ifindex': 13, 'irq': 39}, - {'id': 539, 'ifindex': 13, 'irq': 36}] - -Here you can clearly observe our channels distribution policy: - -$ ls /proc/irq/{36,39,40,41,42}/mlx5* -d -1 -/proc/irq/36/mlx5_comp1@pci:0000:08:00.0 -/proc/irq/39/mlx5_comp1@pci:0000:09:00.0 -/proc/irq/40/mlx5_comp2@pci:0000:08:00.0 -/proc/irq/41/mlx5_comp2@pci:0000:09:00.0 -/proc/irq/42/mlx5_comp3@pci:0000:08:00.0 +The relation between PF, irq, napi, and queue can be observed via netlink spec:: + + $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump queue-get --json='{"ifindex": 13}' + [{'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'rx'}, + {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'rx'}, + {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'rx'}, + {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'rx'}, + {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'rx'}, + {'id': 0, 'ifindex': 13, 'napi-id': 539, 'type': 'tx'}, + {'id': 1, 'ifindex': 13, 'napi-id': 540, 'type': 'tx'}, + {'id': 2, 'ifindex': 13, 'napi-id': 541, 'type': 'tx'}, + {'id': 3, 'ifindex': 13, 'napi-id': 542, 'type': 'tx'}, + {'id': 4, 'ifindex': 13, 'napi-id': 543, 'type': 'tx'}] + + $ ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/netdev.yaml --dump napi-get --json='{"ifindex": 13}' + [{'id': 543, 'ifindex': 13, 'irq': 42}, + {'id': 542, 'ifindex': 13, 'irq': 41}, + {'id': 541, 'ifindex': 13, 'irq': 40}, + {'id': 540, 'ifindex': 13, 'irq': 39}, + {'id': 539, 'ifindex': 13, 'irq': 36}] + +Here you can clearly observe our channels distribution policy:: + + $ ls /proc/irq/{36,39,40,41,42}/mlx5* -d -1 + /proc/irq/36/mlx5_comp1@pci:0000:08:00.0 + /proc/irq/39/mlx5_comp1@pci:0000:09:00.0 + /proc/irq/40/mlx5_comp2@pci:0000:08:00.0 + /proc/irq/41/mlx5_comp2@pci:0000:09:00.0 + /proc/irq/42/mlx5_comp3@pci:0000:08:00.0 Steering ======== |