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/*
// Copyright (c) 2017 Intel Corporation
//
// 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 __INCLUDE_ACL_LIB_H__
#define __INCLUDE_ACL_LIB_H__
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <rte_pipeline.h>
#include <rte_table_acl.h>
#include "rte_cnxn_tracking.h"
#include "rte_ct_tcp.h"
/* Define VNF actions for bitmap */
#define lib_acl_action_packet_drop 1
#define lib_acl_action_packet_accept 2
#define lib_acl_action_nat 4
#define lib_acl_action_fwd 8
#define lib_acl_action_count 16
#define lib_acl_action_dscp 32
#define lib_acl_action_conntrack 64
#define lib_acl_action_connexist 128
#define action_array_max 10000
#define lib_acl_private_public 0
#define lib_acl_public_private 1
#define IP_HDR_DSCP_OFST 1
#define IPv4_HDR_VERSION 4
#define IPv6_HDR_VERSION 6
#define IP_HDR_DSCP_OFST_IPV6 0
#define IP_VERSION_CHECK 4
#define IP_START (MBUF_HDR_ROOM + ETH_HDR_SIZE)
#define DEFULT_NUM_RULE (4*1024)
/**
* A structure defining the key to store an VNF action.
*/
struct pipeline_action_key {
uint32_t action_id;
uint32_t action_bitmap;
uint32_t nat_port;
uint32_t fwd_port;
uint8_t dscp_priority;
uint8_t private_public;
} __rte_cache_aligned;
/**
* A structure defining the Action counters.
* One Action Counter Block per VNF thread.
*/
struct action_counter_block {
uint64_t byteCount;
uint64_t packetCount;
} __rte_cache_aligned;
/**
* A structure defining the ACL library table.
*/
struct lib_acl_table_entry {
struct rte_pipeline_table_entry head;
uint32_t action_id;
};
struct lib_acl {
uint32_t n_rules;
uint32_t n_rule_fields;
struct rte_acl_field_def *field_format;
uint32_t field_format_size;
int action_counter_index;
struct lib_acl_table_entry
*plib_acl_entries_ipv4[RTE_PORT_IN_BURST_SIZE_MAX];
struct lib_acl_table_entry
*plib_acl_entries_ipv6[RTE_PORT_IN_BURST_SIZE_MAX];
} __rte_cache_aligned;
void *lib_acl_create_active_standby_table_ipv4(uint8_t table_num,
uint32_t *libacl_n_rules);
void *lib_acl_create_active_standby_table_ipv6(uint8_t table_num,
uint32_t *libacl_n_rules);
int lib_acl_parse_config(struct lib_acl *plib_acl,
char *arg_name, char *arg_value,
uint32_t *libacl_n_rules);
uint64_t
lib_acl_ipv4_pkt_work_key(struct lib_acl *plib_acl,
struct rte_mbuf **pkts, uint64_t pkts_mask,
uint64_t *pkts_drop_without_rule,
void *plib_acl_rule_table_ipv4_active,
struct pipeline_action_key *action_array_active,
struct action_counter_block (*p_action_counter_table)[action_array_max],
uint64_t *conntrack_mask,
uint64_t *connexist_mask);
uint64_t
lib_acl_ipv6_pkt_work_key(struct lib_acl *plib_acl,
struct rte_mbuf **pkts, uint64_t pkts_mask,
uint64_t *pkts_drop_without_rule,
void *plib_acl_rule_table_ipv6_active,
struct pipeline_action_key *action_array_active,
struct action_counter_block (*p_action_counter_table)[action_array_max],
uint64_t *conntrack_mask,
uint64_t *connexist_mask);
#endif
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