prestera.rst

  1.. SPDX-License-Identifier: GPL-2.0
  2
  3========================
  4prestera devlink support
  5========================
  6
  7This document describes the devlink features implemented by the ``prestera``
  8device driver.
  9
 10Driver-specific Traps
 11=====================
 12
 13.. list-table:: List of Driver-specific Traps Registered by ``prestera``
 14   :widths: 5 5 90
 15
 16   * - Name
 17     - Type
 18     - Description
 19.. list-table:: List of Driver-specific Traps Registered by ``prestera``
 20   :widths: 5 5 90
 21
 22   * - Name
 23     - Type
 24     - Description
 25   * - ``arp_bc``
 26     - ``trap``
 27     - Traps ARP broadcast packets (both requests/responses)
 28   * - ``is_is``
 29     - ``trap``
 30     - Traps IS-IS packets
 31   * - ``ospf``
 32     - ``trap``
 33     - Traps OSPF packets
 34   * - ``ip_bc_mac``
 35     - ``trap``
 36     - Traps IPv4 packets with broadcast DA Mac address
 37   * - ``stp``
 38     - ``trap``
 39     - Traps STP BPDU
 40   * - ``lacp``
 41     - ``trap``
 42     - Traps LACP packets
 43   * - ``lldp``
 44     - ``trap``
 45     - Traps LLDP packets
 46   * - ``router_mc``
 47     - ``trap``
 48     - Traps multicast packets
 49   * - ``vrrp``
 50     - ``trap``
 51     - Traps VRRP packets
 52   * - ``dhcp``
 53     - ``trap``
 54     - Traps DHCP packets
 55   * - ``mtu_error``
 56     - ``trap``
 57     - Traps (exception) packets that exceeded port's MTU
 58   * - ``mac_to_me``
 59     - ``trap``
 60     -  Traps packets with switch-port's DA Mac address
 61   * - ``ttl_error``
 62     - ``trap``
 63     - Traps (exception) IPv4 packets whose TTL exceeded
 64   * - ``ipv4_options``
 65     - ``trap``
 66     - Traps (exception) packets due to the malformed IPV4 header options
 67   * - ``ip_default_route``
 68     - ``trap``
 69     - Traps packets that have no specific IP interface (IP to me) and no forwarding prefix
 70   * - ``local_route``
 71     - ``trap``
 72     - Traps packets that have been send to one of switch IP interfaces addresses
 73   * - ``ipv4_icmp_redirect``
 74     - ``trap``
 75     - Traps (exception) IPV4 ICMP redirect packets
 76   * - ``arp_response``
 77     - ``trap``
 78     - Traps ARP replies packets that have switch-port's DA Mac address
 79   * - ``acl_code_0``
 80     - ``trap``
 81     - Traps packets that have ACL priority set to 0 (tc pref 0)
 82   * - ``acl_code_1``
 83     - ``trap``
 84     - Traps packets that have ACL priority set to 1 (tc pref 1)
 85   * - ``acl_code_2``
 86     - ``trap``
 87     - Traps packets that have ACL priority set to 2 (tc pref 2)
 88   * - ``acl_code_3``
 89     - ``trap``
 90     - Traps packets that have ACL priority set to 3 (tc pref 3)
 91   * - ``acl_code_4``
 92     - ``trap``
 93     - Traps packets that have ACL priority set to 4 (tc pref 4)
 94   * - ``acl_code_5``
 95     - ``trap``
 96     - Traps packets that have ACL priority set to 5 (tc pref 5)
 97   * - ``acl_code_6``
 98     - ``trap``
 99     - Traps packets that have ACL priority set to 6 (tc pref 6)
100   * - ``acl_code_7``
101     - ``trap``
102     - Traps packets that have ACL priority set to 7 (tc pref 7)
103   * - ``ipv4_bgp``
104     - ``trap``
105     - Traps IPv4 BGP packets
106   * - ``ssh``
107     - ``trap``
108     - Traps SSH packets
109   * - ``telnet``
110     - ``trap``
111     - Traps Telnet packets
112   * - ``icmp``
113     - ``trap``
114     - Traps ICMP packets
115   * - ``rxdma_drop``
116     - ``drop``
117     - Drops packets (RxDMA) due to the lack of ingress buffers etc.
118   * - ``port_no_vlan``
119     - ``drop``
120     - Drops packets due to faulty-configured network or due to internal bug (config issue).
121   * - ``local_port``
122     - ``drop``
123     - Drops packets whose decision (FDB entry) is to bridge packet back to the incoming port/trunk.
124   * - ``invalid_sa``
125     - ``drop``
126     - Drops packets with multicast source MAC address.
127   * - ``illegal_ip_addr``
128     - ``drop``
129     - Drops packets with illegal SIP/DIP multicast/unicast addresses.
130   * - ``illegal_ipv4_hdr``
131     - ``drop``
132     - Drops packets with illegal IPV4 header.
133   * - ``ip_uc_dip_da_mismatch``
134     - ``drop``
135     - Drops packets with destination MAC being unicast, but destination IP address being multicast.
136   * - ``ip_sip_is_zero``
137     - ``drop``
138     - Drops packets with zero (0) IPV4 source address.
139   * - ``met_red``
140     - ``drop``
141     - Drops non-conforming packets (dropped by Ingress policer, metering drop), e.g. packet rate exceeded configured bandwidth.