tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1.. SPDX-License-Identifier: GPL-2.0
2
3=====================
4mlxsw devlink support
5=====================
6
7This document describes the devlink features implemented by the ``mlxsw``
8device driver.
9
10Parameters
11==========
12
13.. list-table:: Generic parameters implemented
14
15 * - Name
16 - Mode
17 * - ``fw_load_policy``
18 - driverinit
19
20The ``mlxsw`` driver also implements the following driver-specific
21parameters.
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
38The ``mlxsw`` driver supports reloading via ``DEVLINK_CMD_RELOAD``
39
40Info versions
41=============
42
43The ``mlxsw`` driver reports the following versions
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
60
61Driver-specific Traps
62=====================
63
64.. list-table:: List of Driver-specific Traps Registered by ``mlxsw``
65 :widths: 5 5 90
66
67 * - Name
68 - Type
69 - Description
70 * - ``irif_disabled``
71 - ``drop``
72 - Traps packets that the device decided to drop because they need to be
73 routed from a disabled router interface (RIF). This can happen during
74 RIF dismantle, when the RIF is first disabled before being removed
75 completely
76 * - ``erif_disabled``
77 - ``drop``
78 - Traps packets that the device decided to drop because they need to be
79 routed through a disabled router interface (RIF). This can happen during
80 RIF dismantle, when the RIF is first disabled before being removed
81 completely