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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
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Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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.