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+/*
+ * 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:
+ */