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