/* * gbp.h : Group Based Policy * * Copyright (c) 2018 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef __GBP_CLASSIFY_H__ #define __GBP_CLASSIFY_H__ #include <plugins/gbp/gbp.h> #include <vnet/ethernet/arp_packet.h> typedef enum gbp_src_classify_type_t_ { GBP_SRC_CLASSIFY_NULL, GBP_SRC_CLASSIFY_PORT, GBP_SRC_CLASSIFY_LPM, GBP_SRC_CLASSIFY_LPM_ANON, GBP_SRC_N_CLASSIFY #define GBP_SRC_N_CLASSIFY GBP_SRC_N_CLASSIFY } gbp_src_classify_type_t; /** * Grouping of global data for the GBP source EPG classification feature */ typedef struct gbp_src_classify_main_t_ { /** * Next nodes for L2 output features */ u32 l2_input_feat_next[GBP_SRC_N_CLASSIFY][32]; } gbp_src_classify_main_t; extern gbp_src_classify_main_t gbp_src_classify_main; enum gbp_classify_get_ip_way { GBP_CLASSIFY_GET_IP_SRC = 0, GBP_CLASSIFY_GET_IP_DST = 1 }; static_always_inline dpo_proto_t gbp_classify_get_ip_address (const ethernet_header_t * eh0, const ip4_address_t ** ip4, const ip6_address_t ** ip6, const enum gbp_classify_get_ip_way way) { u16 etype = clib_net_to_host_u16 (eh0->type); const void *l3h0 = eh0 + 1; if (ETHERNET_TYPE_VLAN == etype) { const ethernet_vlan_header_t *vh0 = (ethernet_vlan_header_t *) (eh0 + 1); etype = clib_net_to_host_u16 (vh0->type); l3h0 = vh0 + 1; } switch (etype) { case ETHERNET_TYPE_IP4: *ip4 = &(&((const ip4_header_t *) l3h0)->src_address)[way]; return DPO_PROTO_IP4; case ETHERNET_TYPE_IP6: *ip6 = &(&((const ip6_header_t *) l3h0)->src_address)[way]; return DPO_PROTO_IP6; case ETHERNET_TYPE_ARP: *ip4 = &((ethernet_arp_header_t *) l3h0)->ip4_over_ethernet[way].ip4; return DPO_PROTO_IP4; } return DPO_PROTO_NONE; } #endif /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */