projects / linux-block.git / blame
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|---|---|---|
| 6c39e015 JK |
1 | .. SPDX-License-Identifier: GPL-2.0 |
| 2 | ||
| 3 | ===================== | |
| 4 | mlxsw devlink support | |
| 5 | ===================== | |
| 6 | ||
| 7 | This document describes the devlink features implemented by the ``mlxsw`` | |
| 8 | device driver. | |
| 9 | ||
| 10 | Parameters | |
| 11 | ========== | |
| 12 | ||
| 13 | .. list-table:: Generic parameters implemented | |
| 14 | ||
| 15 | * - Name | |
| 16 | - Mode | |
| 17 | * - ``fw_load_policy`` | |
| 18 | - driverinit | |
| 19 | ||
| 20 | The ``mlxsw`` driver also implements the following driver-specific | |
| 21 | parameters. | |
| 22 | ||
| 23 | .. list-table:: Driver-specific parameters implemented | |
| 24 | :widths: 5 5 5 85 | |
| 25 | ||
| 26 | * - Name | |
| 27 | - Type | |
| 28 | - Mode | |
| 29 | - Description | |
| 30 | * - ``acl_region_rehash_interval`` | |
| 31 | - u32 | |
| 32 | - runtime | |
| 33 | - Sets an interval for periodic ACL region rehashes. The value is | |
| 34 | specified in milliseconds, with a minimum of ``3000``. The value of | |
| 35 | ``0`` disables periodic work entirely. The first rehash will be run | |
| 36 | immediately after the value is set. | |
| 37 | ||
| 38 | The ``mlxsw`` driver supports reloading via ``DEVLINK_CMD_RELOAD`` | |
| d4255d75 JK |
39 | |
| 40 | Info versions | |
| 41 | ============= | |
| 42 | ||
| 1d0ee02b | 43 | The ``mlxsw`` driver reports the following versions |
| d4255d75 JK |
44 | |
| 45 | .. list-table:: devlink info versions implemented | |
| 46 | :widths: 5 5 90 | |
| 47 | ||
| 48 | * - Name | |
| 49 | - Type | |
| 50 | - Description | |
| 51 | * - ``hw.revision`` | |
| 52 | - fixed | |
| 53 | - The hardware revision for this board | |
| 54 | * - ``fw.psid`` | |
| 55 | - fixed | |
| 56 | - Firmware PSID | |
| 57 | * - ``fw.version`` | |
| 58 | - running | |
| 59 | - Three digit firmware version | |
| 5b051621 | 60 | |
| 5ba325fe JP |
61 | Line card auxiliary device info versions |
| 62 | ======================================== | |
| 63 | ||
| 64 | The ``mlxsw`` driver reports the following versions for line card auxiliary device | |
| 65 | ||
| 66 | .. list-table:: devlink info versions implemented | |
| 67 | :widths: 5 5 90 | |
| 68 | ||
| 69 | * - Name | |
| 70 | - Type | |
| 71 | - Description | |
| 72 | * - ``hw.revision`` | |
| 73 | - fixed | |
| 74 | - The hardware revision for this line card | |
| 75 | * - ``ini.version`` | |
| 76 | - running | |
| 77 | - Version of line card INI loaded | |
| 3fc0c519 JP |
78 | * - ``fw.psid`` |
| 79 | - fixed | |
| 80 | - Line card device PSID | |
| 4da0eb2a JP |
81 | * - ``fw.version`` |
| 82 | - running | |
| 83 | - Three digit firmware version of line card device | |
| 5ba325fe | 84 | |
| 5b051621 AC |
85 | Driver-specific Traps |
| 86 | ===================== | |
| 87 | ||
| 88 | .. list-table:: List of Driver-specific Traps Registered by ``mlxsw`` | |
| 89 | :widths: 5 5 90 | |
| 90 | ||
| 91 | * - Name | |
| 92 | - Type | |
| 93 | - Description | |
| 94 | * - ``irif_disabled`` | |
| 95 | - ``drop`` | |
| 96 | - Traps packets that the device decided to drop because they need to be | |
| 97 | routed from a disabled router interface (RIF). This can happen during | |
| 98 | RIF dismantle, when the RIF is first disabled before being removed | |
| 99 | completely | |
| 100 | * - ``erif_disabled`` | |
| 101 | - ``drop`` | |
| 102 | - Traps packets that the device decided to drop because they need to be | |
| 103 | routed through a disabled router interface (RIF). This can happen during | |
| 104 | RIF dismantle, when the RIF is first disabled before being removed | |
| 105 | completely |