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Diffstat (limited to 'Documentation/networking/devlink/octeontx2.rst')
| -rw-r--r-- | Documentation/networking/devlink/octeontx2.rst | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/Documentation/networking/devlink/octeontx2.rst b/Documentation/networking/devlink/octeontx2.rst index 610de99b728a..84206537aedb 100644 --- a/Documentation/networking/devlink/octeontx2.rst +++ b/Documentation/networking/devlink/octeontx2.rst @@ -40,3 +40,40 @@ The ``octeontx2 AF`` driver implements the following driver-specific parameters. - runtime - Use to set the quantum which hardware uses for scheduling among transmit queues. Hardware uses weighted DWRR algorithm to schedule among all transmit queues. + * - ``npc_mcam_high_zone_percent`` + - u8 + - runtime + - Use to set the number of high priority zone entries in NPC MCAM that can be allocated + by a user, out of the three priority zone categories high, mid and low. + * - ``npc_def_rule_cntr`` + - bool + - runtime + - Use to enable or disable hit counters for the default rules in NPC MCAM. + Its not guaranteed that counters gets enabled and mapped to all the default rules, + since the counters are scarce and driver follows a best effort approach. + The default rule serves as the primary packet steering rule for a specific PF or VF, + based on its DMAC address which is installed by AF driver as part of its initialization. + Sample command to read hit counters for default rule from debugfs is as follows, + cat /sys/kernel/debug/cn10k/npc/mcam_rules + * - ``nix_maxlf`` + - u16 + - runtime + - Use to set the maximum number of LFs in NIX hardware block. This would be useful + to increase the availability of default resources allocated to enabled LFs like + MCAM entries for example. + +The ``octeontx2 PF`` driver implements the following driver-specific parameters. + +.. list-table:: Driver-specific parameters implemented + :widths: 5 5 5 85 + + * - Name + - Type + - Mode + - Description + * - ``unicast_filter_count`` + - u8 + - runtime + - Set the maximum number of unicast filters that can be programmed for + the device. This can be used to achieve better device resource + utilization, avoiding over consumption of unused MCAM table entries. |