3be9164f80
Type: improvement Signed-off-by: Neale Ranns <nranns@cisco.com> Signed-off-by: Benoît Ganne <bganne@cisco.com> Change-Id: I2f30a4f04fd9a8635ce2d259b5fd5b0c85cee8c3
95 lines
2.4 KiB
C
95 lines
2.4 KiB
C
/*
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* gbp.h : Group Based Policy
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*
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* Copyright (c) 2018 Cisco and/or its affiliates.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __GBP_CLASSIFY_H__
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#define __GBP_CLASSIFY_H__
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#include <plugins/gbp/gbp.h>
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#include <vnet/ethernet/arp_packet.h>
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typedef enum gbp_src_classify_type_t_
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{
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GBP_SRC_CLASSIFY_NULL,
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GBP_SRC_CLASSIFY_PORT,
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GBP_SRC_CLASSIFY_LPM,
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GBP_SRC_CLASSIFY_LPM_ANON,
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GBP_SRC_N_CLASSIFY
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#define GBP_SRC_N_CLASSIFY GBP_SRC_N_CLASSIFY
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} gbp_src_classify_type_t;
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/**
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* Grouping of global data for the GBP source EPG classification feature
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*/
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typedef struct gbp_src_classify_main_t_
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{
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/**
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* Next nodes for L2 output features
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*/
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u32 l2_input_feat_next[GBP_SRC_N_CLASSIFY][32];
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} gbp_src_classify_main_t;
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extern gbp_src_classify_main_t gbp_src_classify_main;
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enum gbp_classify_get_ip_way
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{
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GBP_CLASSIFY_GET_IP_SRC = 0,
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GBP_CLASSIFY_GET_IP_DST = 1
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};
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static_always_inline dpo_proto_t
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gbp_classify_get_ip_address (const ethernet_header_t * eh0,
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const ip4_address_t ** ip4,
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const ip6_address_t ** ip6,
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const enum gbp_classify_get_ip_way way)
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{
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u16 etype = clib_net_to_host_u16 (eh0->type);
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const void *l3h0 = eh0 + 1;
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if (ETHERNET_TYPE_VLAN == etype)
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{
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const ethernet_vlan_header_t *vh0 =
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(ethernet_vlan_header_t *) (eh0 + 1);
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etype = clib_net_to_host_u16 (vh0->type);
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l3h0 = vh0 + 1;
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}
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switch (etype)
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{
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case ETHERNET_TYPE_IP4:
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*ip4 = &(&((const ip4_header_t *) l3h0)->src_address)[way];
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return DPO_PROTO_IP4;
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case ETHERNET_TYPE_IP6:
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*ip6 = &(&((const ip6_header_t *) l3h0)->src_address)[way];
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return DPO_PROTO_IP6;
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case ETHERNET_TYPE_ARP:
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*ip4 = &((ethernet_arp_header_t *) l3h0)->ip4_over_ethernet[way].ip4;
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return DPO_PROTO_IP4;
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}
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return DPO_PROTO_NONE;
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}
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#endif
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/*
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* fd.io coding-style-patch-verification: ON
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*
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* Local Variables:
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* eval: (c-set-style "gnu")
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* End:
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*/
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