networking/devlink/ice.rst

27      - The ice hardware uses hierarchical scheduling for Tx with a fixed
29        points. Root node represents a port, while all the leaves represent
39        One example would be sending traffic to queues that are not a multiple
41        the 9th queue has a different parent than the rest, and it's given
42        more bandwidth credits. This causes a problem when the system is
55        To address this need, you can switch to a 5-layer topology, which
59        is a lower configuration depth of the tree.
63        use a value of 5. For example:
66        Use a value of 9 to set it back to the default value.
130         kernel only displayed a 2-digit version number (major.minor).
140         incremented whenever a major breaking change occurs, or when the
144         a fix is delivered as a patch against an older base Option ROM.
159         variation of the DDP package has a unique name.
193 ``devlink-flash`` interface. It supports updating the device flash using a
223 The ``ice`` driver supports activating new firmware after a flash update
229     $ devlink dev reload pci/0000:01:00.0 reload action fw_activate
231 The new firmware is activated by issuing a device specific Embedded
242 a predefined set of available port split options for the whole device.
244 A system reboot is required for port split to be applied.
271 ``devlink port unsplit`` will select the option with a split count of 1. If
297 Both the ``nvm-flash`` and ``shadow-ram`` regions can be accessed without a
298 snapshot. The ``device-caps`` region requires a snapshot as the contents are
301 Users can request an immediate capture of a snapshot for all three regions
307     pci/0000:01:00.0/nvm-flash: size 10485760 snapshot [] max 1
308     pci/0000:01:00.0/device-caps: size 4096 snapshot [] max 10
310     $ devlink region new pci/0000:01:00.0/nvm-flash snapshot 1
311     $ devlink region dump pci/0000:01:00.0/nvm-flash snapshot 1
313     $ devlink region dump pci/0000:01:00.0/nvm-flash snapshot 1
319     $ devlink region read pci/0000:01:00.0/nvm-flash snapshot 1 address 0 length 16
322     $ devlink region delete pci/0000:01:00.0/nvm-flash snapshot 1
324     $ devlink region new pci/0000:01:00.0/device-caps snapshot 1
325     $ devlink region dump pci/0000:01:00.0/device-caps snapshot 1
326     0000000000000000 01 00 01 00 00 00 00 00 01 00 00 00 00 00 00 00
328     0000000000000020 02 00 02 01 32 03 00 00 0a 00 00 00 25 00 00 00
330     0000000000000040 04 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
332     0000000000000060 05 00 01 00 03 00 00 00 00 00 00 00 00 00 00 00
334     0000000000000080 06 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
336     00000000000000a0 08 00 01 00 00 00 00 00 00 00 00 00 00 00 00 00
338     00000000000000c0 12 00 01 00 01 00 00 00 01 00 01 00 00 00 00 00
340     00000000000000e0 13 00 01 00 00 01 00 00 00 00 00 00 00 00 00 00
342     0000000000000100 14 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
344     0000000000000120 15 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
346     0000000000000140 16 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
348     0000000000000160 17 00 01 00 06 00 00 00 00 00 00 00 00 00 00 00
350     0000000000000180 18 00 01 00 01 00 00 00 01 00 00 00 08 00 00 00
352     00000000000001a0 22 00 01 00 01 00 00 00 00 00 00 00 00 00 00 00
354     00000000000001c0 40 00 01 00 00 08 00 00 08 00 00 00 00 00 00 00
356     00000000000001e0 41 00 01 00 00 08 00 00 00 00 00 00 00 00 00 00
358     0000000000000200 42 00 01 00 00 08 00 00 00 00 00 00 00 00 00 00
361     $ devlink region delete pci/0000:01:00.0/device-caps snapshot 1
368 Functions in a tree structure and assign supported parameters: tx_share,
369 tx_max, tx_priority and tx_weight to each node in a tree. So effectively
377 devlink-rate API. To configure those features a driver reload is necessary.
399         an absolute number specifying a maximum amount of bytes a Node may
401         that a link will not oversaturate the receiver on the remote end
405       - minimum bandwidth allocated to a tree node when it is not blocked.
423 nodes with the same priority form a WFQ subgroup in the sibling group