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devlink: Add layer 2 control packet traps

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Add layer 2 control packet traps such as STP and IGMP query, so that
capable device drivers could register them with devlink. Add
documentation for every added packet trap and packet trap group.

Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ido Schimmel
2020-05-29 21:36:41 +03:00
committed by David S. Miller
parent 30a4e9a29a
commit 515eac677f
3 changed files with 109 additions and 0 deletions
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45
Documentation/networking/devlink/devlink-trap.rst
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@@ -252,6 +252,42 @@ be added to the following table:
* - ``egress_flow_action_drop``
- ``drop``
- Traps packets dropped during processing of egress flow action drop
* - ``stp``
- ``control``
- Traps STP packets
* - ``lacp``
- ``control``
- Traps LACP packets
* - ``lldp``
- ``control``
- Traps LLDP packets
* - ``igmp_query``
- ``control``
- Traps IGMP Membership Query packets
* - ``igmp_v1_report``
- ``control``
- Traps IGMP Version 1 Membership Report packets
* - ``igmp_v2_report``
- ``control``
- Traps IGMP Version 2 Membership Report packets
* - ``igmp_v3_report``
- ``control``
- Traps IGMP Version 3 Membership Report packets
* - ``igmp_v2_leave``
- ``control``
- Traps IGMP Version 2 Leave Group packets
* - ``mld_query``
- ``control``
- Traps MLD Multicast Listener Query packets
* - ``mld_v1_report``
- ``control``
- Traps MLD Version 1 Multicast Listener Report packets
* - ``mld_v2_report``
- ``control``
- Traps MLD Version 2 Multicast Listener Report packets
* - ``mld_v1_done``
- ``control``
- Traps MLD Version 1 Multicast Listener Done packets
Driver-specific Packet Traps
============================
@@ -299,6 +335,15 @@ narrow. The description of these groups must be added to the following table:
* - ``acl_drops``
- Contains packet traps for packets that were dropped by the device during
ACL processing
* - ``stp``
- Contains packet traps for STP packets
* - ``lacp``
- Contains packet traps for LACP packets
* - ``lldp``
- Contains packet traps for LLDP packets
* - ``mc_snooping``
- Contains packet traps for IGMP and MLD packets required for multicast
snooping
Packet Trap Policers
====================