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documentation: networking: devlink: add prestera switched driver Docu…
…mentation Add documentation for the devlink feature prestera switchdev driver supports: add description for the support of the driver-specific devlink traps (include both traps with action TRAP and action DROP); Signed-off-by: Oleksandr Mazur <oleksandr.mazur@plvision.eu> Signed-off-by: David S. Miller <davem@davemloft.net>
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| .. SPDX-License-Identifier: GPL-2.0 | ||
| ===================== | ||
| prestera devlink support | ||
| ===================== | ||
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| This document describes the devlink features implemented by the ``prestera`` | ||
| device driver. | ||
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| Driver-specific Traps | ||
| ===================== | ||
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| .. list-table:: List of Driver-specific Traps Registered by ``prestera`` | ||
| :widths: 5 5 90 | ||
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| * - Name | ||
| - Type | ||
| - Description | ||
| .. list-table:: List of Driver-specific Traps Registered by ``prestera`` | ||
| :widths: 5 5 90 | ||
|
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| * - 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. |