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.. SPDX-License-Identifier: GPL-2.0
========================
prestera devlink support
========================
This document describes the devlink features implemented by the ``prestera``
device driver.
Driver-specific Traps
=====================
.. list-table:: List of Driver-specific Traps Registered by ``prestera``
:widths: 5 5 90
* - Name
- Type
- Description
.. list-table:: List of Driver-specific Traps Registered by ``prestera``
:widths: 5 5 90
* - Name
- Type
- Description
* - ``arp_bc``
- ``trap``
- Traps ARP broadcast packets (both requests/responses)
* - ``is_is``
- ``trap``
- Traps IS-IS packets
* - ``ospf``
- ``trap``
- Traps OSPF packets
* - ``ip_bc_mac``
- ``trap``
- Traps IPv4 packets with broadcast DA Mac address
* - ``stp``
- ``trap``
- Traps STP BPDU
* - ``lacp``
- ``trap``
- Traps LACP packets
* - ``lldp``
- ``trap``
- Traps LLDP packets
* - ``router_mc``
- ``trap``
- Traps multicast packets
* - ``vrrp``
- ``trap``
- Traps VRRP packets
* - ``dhcp``
- ``trap``
- Traps DHCP packets
* - ``mtu_error``
- ``trap``
- Traps (exception) packets that exceeded port's MTU
* - ``mac_to_me``
- ``trap``
- Traps packets with switch-port's DA Mac address
* - ``ttl_error``
- ``trap``
- Traps (exception) IPv4 packets whose TTL exceeded
* - ``ipv4_options``
- ``trap``
- Traps (exception) packets due to the malformed IPV4 header options
* - ``ip_default_route``
- ``trap``
- Traps packets that have no specific IP interface (IP to me) and no forwarding prefix
* - ``local_route``
- ``trap``
- Traps packets that have been send to one of switch IP interfaces addresses
* - ``ipv4_icmp_redirect``
- ``trap``
- Traps (exception) IPV4 ICMP redirect packets
* - ``arp_response``
- ``trap``
- Traps ARP replies packets that have switch-port's DA Mac address
* - ``acl_code_0``
- ``trap``
- Traps packets that have ACL priority set to 0 (tc pref 0)
* - ``acl_code_1``
- ``trap``
- Traps packets that have ACL priority set to 1 (tc pref 1)
* - ``acl_code_2``
- ``trap``
- Traps packets that have ACL priority set to 2 (tc pref 2)
* - ``acl_code_3``
- ``trap``
- Traps packets that have ACL priority set to 3 (tc pref 3)
* - ``acl_code_4``
- ``trap``
- Traps packets that have ACL priority set to 4 (tc pref 4)
* - ``acl_code_5``
- ``trap``
- Traps packets that have ACL priority set to 5 (tc pref 5)
* - ``acl_code_6``
- ``trap``
- Traps packets that have ACL priority set to 6 (tc pref 6)
* - ``acl_code_7``
- ``trap``
- Traps packets that have ACL priority set to 7 (tc pref 7)
* - ``ipv4_bgp``
- ``trap``
- Traps IPv4 BGP packets
* - ``ssh``
- ``trap``
- Traps SSH packets
* - ``telnet``
- ``trap``
- Traps Telnet packets
* - ``icmp``
- ``trap``
- Traps ICMP packets
* - ``rxdma_drop``
- ``drop``
- Drops packets (RxDMA) due to the lack of ingress buffers etc.
* - ``port_no_vlan``
- ``drop``
- Drops packets due to faulty-configured network or due to internal bug (config issue).
* - ``local_port``
- ``drop``
- Drops packets whose decision (FDB entry) is to bridge packet back to the incoming port/trunk.
* - ``invalid_sa``
- ``drop``
- Drops packets with multicast source MAC address.
* - ``illegal_ip_addr``
- ``drop``
- Drops packets with illegal SIP/DIP multicast/unicast addresses.
* - ``illegal_ipv4_hdr``
- ``drop``
- Drops packets with illegal IPV4 header.
* - ``ip_uc_dip_da_mismatch``
- ``drop``
- Drops packets with destination MAC being unicast, but destination IP address being multicast.
* - ``ip_sip_is_zero``
- ``drop``
- Drops packets with zero (0) IPV4 source address.
* - ``met_red``
- ``drop``
- Drops non-conforming packets (dropped by Ingress policer, metering drop), e.g. packet rate exceeded configured bandwith.
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