prestera devlink support¶

This document describes the devlink features implemented by the prestera device driver.

Driver-specific Traps¶

List of Driver-specific Traps Registered by `prestera`¶
Name	Type	Description

List of Driver-specific Traps Registered by `prestera`¶
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.