/*
  Expanded list of assigned drop_reason codes
  See https://sflow.org/sflow_drops.txt

  Additions:
  Codes 304-323 from Devlink Trap [2]
  Codes 324-371 from Linux net/dropreason.h 
  Codes 372     from RFC 8955 Dissemination of Flow Specification Rules

  Location: https://sflow.org/sflow_drops_reasons.txt
*/

enum drop_reason {
   net_unreachable      = 0,
   host_unreachable     = 1,
   protocol_unreachable = 2,
   port_unreachable     = 3,
   frag_needed          = 4,
   src_route_failed     = 5,
   dst_net_unknown      = 6, /* ipv4_lpm_miss, ipv6_lpm_miss */
   dst_host_unknown     = 7,
   src_host_isolated    = 8,
   dst_net_prohibited   = 9, /* reject_route */
   dst_host_prohibited  = 10,
   dst_net_tos_unreachable  = 11,
   dst_host_tos_unreacheable = 12,
   comm_admin_prohibited = 13,
   host_precedence_violation = 14,
   precedence_cutoff    = 15,
   unknown              = 256,
   ttl_exceeded         = 257, /* ttl_value_is_too_small */
   acl                  = 258, /* ingress_flow_action_drop,
                                  egress_flow_action_drop
                                  group acl_drops */
   no_buffer_space      = 259, /* tail_drop */
   red                  = 260, /* early_drop */
   traffic_shaping      = 261,
   pkt_too_big          = 262, /* mtu_value_is_too_small */
   src_mac_is_multicast = 263,
   vlan_tag_mismatch    = 264,
   ingress_vlan_filter  = 265,
   ingress_spanning_tree_filter = 266,
   port_list_is_empty   = 267,
   port_loopback_filter = 268,
   blackhole_route      = 269,
   non_ip               = 270,
   uc_dip_over_mc_dmac  = 271,
   dip_is_loopback_address = 272,
   sip_is_mc            = 273,
   sip_is_loopback_address = 274,
   ip_header_corrupted  = 275,
   ipv4_sip_is_limited_bc = 276,
   ipv6_mc_dip_reserved_scope = 277,
   ipv6_mc_dip_interface_local_scope = 278,
   unresolved_neigh     = 279,
   mc_reverse_path_forwarding = 280,
   non_routable_packet  = 281,
   decap_error          = 282,
   overlay_smac_is_mc   = 283,
   unknown_l2           = 284, /* group l2_drops */
   unknown_l3           = 285, /* group l3_drops */
   unknown_l3_exception = 286, /* group l3_exceptions */
   unknown_buffer       = 287, /* group buffer_drops */
   unknown_tunnel       = 288, /* group tunnel_drops */
   unknown_l4           = 289,
   sip_is_unspecified   = 290,
   mlag_port_isolation  = 291,
   blackhole_arp_neigh  = 292,
   src_mac_is_dmac      = 293,
   dmac_is_reserved     = 294,
   sip_is_class_e       = 295,
   mc_dmac_mismatch     = 296,
   sip_is_dip           = 297,
   dip_is_local_network = 298,
   dip_is_link_local    = 299,
   overlay_smac_is_dmac = 300,
   egress_vlan_filter   = 301,
   uc_reverse_path_forwarding = 302,
   split_horizon        = 303,
   locked_port          = 304,
   dmac_filter          = 305,
   blackhole_nexthop    = 306,
   vxlan_parsing        = 307,
   llc_snap_parsing     = 308,
   vlan_parsing         = 309,
   pppoe_ppp_parsing    = 310,
   mpls_parsing         = 311,
   arp_parsing          = 312,
   ip_1_parsing         = 313,
   ip_n_parsing         = 314,
   gre_parsing          = 315,
   udp_parsing          = 316,
   tcp_parsing          = 317,
   ipsec_parsing        = 318,
   sctp_parsing         = 319,
   dccp_parsing         = 320,
   gtp_parsing          = 321,
   esp_parsing          = 322, 
   unknown_parsing      = 323, /* group parse_error_drops */
   pkt_too_small        = 324,
   unhandled_proto      = 325,
   ipv6disabled         = 326,
   invalid_proto        = 327,
   ip_noproto           = 328, /* deprecated, use protocol_unreachable */
   skb_csum             = 329, 
   skb_ucopy_fault      = 330,
   dev_ready            = 331,
   dev_hdr              = 332
   dup_frag             = 333, 
   skb_gso_seg          = 334,
   reverse_path_forwarding = 335, /* ip_rpfilter */
   icmp_parsing         = 336, /* icmp_csum */
   tcp_md5notfound      = 337,
   tcp_md5unexpected    = 338,
   tcp_md5failure       = 339,
   tcp_flags            = 340,
   tcp_zerowindow       = 341,
   tcp_old_data         = 342,
   tcp_overwindow       = 343,
   tcp_ofomerge         = 344,
   tcp_rfc7323_paws     = 345,
   tcp_invalid_sequence = 346,
   tcp_reset            = 347,
   tcp_invalid_syn      = 348,
   tcp_close            = 349,
   tcp_fastopen         = 350,
   tcp_old_ack          = 351,
   tcp_too_old_ack      = 352,
   tcp_ack_unsent_data  = 353,
   tcp_ofo_queue_prune  = 354,
   tcp_ofo_drop         = 355,
   tcp_minttl           = 356,
   ipv6_bad_exthdr      = 357,
   ipv6_ndisc_frag      = 358,
   ipv6_ndisc_hop_limit = 359,
   ipv6_ndisc_bad_code  = 360,
   ipv6_ndisc_bad_options = 361,
   ipv6_ndisc_ns_otherhost = 362,
   tap_filter           = 363,
   tap_txfilter         = 364,
   tc_ingress           = 365,
   tc_egress            = 366
   xdp                  = 367,
   cpu_backlog          = 368,
   bpf_cgroup_egress    = 369,
   xfrm_policy          = 370,
   socket_filter        = 371,
   bgp_flowspec         = 372
}