.. 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 bandwidth.