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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.
*/
/* Author - Santosh Sethupathi */
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <unistd.h>
#include <rte_common.h>
#include <rte_malloc.h>
#include <rte_ip.h>
#include <rte_byteorder.h>
#include <rte_table_lpm.h>
#include <rte_table_hash.h>
#include <rte_pipeline.h>
#include <rte_arp.h>
#include <rte_icmp.h>
#include <rte_hash.h>
#include <rte_jhash.h>
#include <rte_cycles.h>
#include "lib_arp.h"
#include <rte_pipeline.h>
#include "rte_ether.h"
/**
* ICMPv6 Header
*/
struct icmpv6_hdr {
uint8_t icmpv6_type; /**< ICMPV6 packet type. */
uint8_t icmpv6_code; /**< ICMPV6 packet code. */
uint16_t icmpv6_cksum; /**< ICMPV6 packet checksum. */
} __attribute__ ((__packed__));
/**
* ICMPV6 Info Header
*/
struct icmpv6_info_hdr {
uint16_t icmpv6_ident; /**< ICMPV6 packet identifier. */
uint16_t icmpv6_seq_nb; /**< ICMPV6 packet sequence number. */
} __attribute__ ((__packed__));
/**
* ICMPV6 ND Header
*/
struct icmpv6_nd_hdr {
/*ND Advertisement flags */
uint32_t icmpv6_reserved; /**< bit31-Router, bit30-Solicited, bit29-Override, bit28-bit0 unused */
uint8_t target_ipv6[16]; /**< target IPv6 address */
uint8_t type; /**< ICMPv6 Option*/
uint8_t length; /**< Length */
uint8_t link_layer_addr[6]; /**< Link layer address */
} __attribute__ ((__packed__));
/* Icmpv6 types */
#define ICMPV6_PROTOCOL_ID 58
#define ICMPV6_ECHO_REQUEST 0x0080
#define ICMPV6_ECHO_REPLY 0x0081
#define ICMPV6_NEIGHBOR_SOLICITATION 0x0087
#define ICMPV6_NEIGHBOR_ADVERTISEMENT 0x0088
#define IPV6_MULTICAST 0xFF02
#define NEIGHBOR_SOLICITATION_SET 0x40000000
#define NEIGHBOR_ROUTER_OVERRIDE_SET 0xa0000000
enum icmpv6_link_layer_Address_type {
e_Source_Link_Layer_Address = 1,
e_Target_Link_Layer_Address,
e_Link_Layer_Address
};
/* Checks whether ipv6 is multicast
* @param ipv6
*/
uint8_t is_multicast_ipv6_addr(uint8_t ipv6[]);
/**
*Icmpv6 Port address
*/
struct icmpv6_port_address {
uint32_t ipv6[16]; /**< Ipv6 address */
uint64_t mac_addr; /**< Mac address */
};
/**
* To store Icmpv6 Port address
*/
struct icmpv6_port_address icmpv6_port_addresses[RTE_MAX_ETHPORTS];
#define MAX_NUM_ICMPv6_ENTRIES 64
struct rte_mbuf *lib_icmpv6_pkt;
/**
* Processes icmpv6 packets
* @param pkt
* pkt mbuf packets
* @param port
* port - port structure
*/
void process_icmpv6_pkt(struct rte_mbuf *pkt, l2_phy_interface_t *port);
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