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/*
// Copyright (c) 2020 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 _PROX_IP_V6_H_
#define _PROX_IP_V6_H_
#include "ip6_addr.h"
#define ALL_NODES_IPV6_MCAST_ADDR "ff02:0000:0000:0000:0000:0000:0000:0001" // FF02::1
#define ALL_ROUTERS_IPV6_MCAST_ADDR "ff02:0000:0000:0000:0000:0000:0000:0002" // FF02::2
#define RANDOM_IPV6 "1234:1234:1234:1234:1234:1234:1234:1234" // Used by PROX as a flag forrandom IP
#define ALL_DHCP_RELAY_AGENTS_AND_SERVERS "ff02:0000:0000:0000:0000:0000:0001:0002" // FF02::1:2
#define ALL_DHCP_SERVERS "ff05:0000:0000:0000:0000:0000:0001:0003" // FF02::1:2
#define DHCP_CLIENT_UDP_PORT 546
#define DHCP_SERVER_UDP_PORT 547
#define PROX_UNSOLLICITED 0
#define PROX_SOLLICITED 1
#define ICMPv6 0x3a
#define ICMPv6_DU 0x01
#define ICMPv6_PTB 0x02
#define ICMPv6_TE 0x03
#define ICMPv6_PaPr 0x04
#define ICMPv6_RS 0x85
#define ICMPv6_RA 0x86
#define ICMPv6_NS 0x87
#define ICMPv6_NA 0x88
#define ICMPv6_RE 0x89
#define ICMPv6_source_link_layer_address 1
#define ICMPv6_target_link_layer_address 2
#define ICMPv6_prefix_information 3
#define ICMPv6_redirect_header 4
#define ICMPv6_mtu 5
extern struct ipv6_addr null_addr;
struct icmpv6_prefix_option {
uint8_t type;
uint8_t length;
uint8_t prefix_length;
uint8_t flag;
uint32_t valid_lifetime;
uint32_t preferred_lifetime;
uint32_t reserved;
struct ipv6_addr prefix;
};
struct icmpv6_option {
uint8_t type;
uint8_t length;
uint8_t data[6];
} __attribute__((__packed__));
struct icmpv6 {
uint8_t type;
uint8_t code;
uint16_t checksum;
};
struct icmpv6_RA {
uint8_t type;
uint8_t code;
uint16_t checksum;
uint8_t hop_limit;
uint8_t bits;
uint16_t router_lifespan;
uint32_t reachable_timeout;
uint32_t retrans_timeout;
struct icmpv6_option options;
} __attribute__((__packed__));
struct icmpv6_RS {
uint8_t type;
uint8_t code;
uint16_t checksum;
uint32_t reserved;
struct icmpv6_option options;
} __attribute__((__packed__));
struct icmpv6_NS {
uint8_t type;
uint8_t code;
uint16_t checksum;
uint32_t reserved;
struct ipv6_addr target_address;
struct icmpv6_option options;
} __attribute__((__packed__));
struct icmpv6_NA {
uint8_t type;
uint8_t code;
uint16_t checksum;
uint16_t bits;
uint16_t reserved;
struct ipv6_addr destination_address;
struct icmpv6_option options;
} __attribute__((__packed__));
struct icmpv6_RE {
uint8_t type;
uint8_t code;
uint16_t checksum;
uint32_t reserved;
struct ipv6_addr destination_address_hop;
struct ipv6_addr destination_address;
uint32_t Options;
} __attribute__((__packed__));
void set_mcast_mac_from_ipv6(prox_rte_ether_addr *mac, struct ipv6_addr *ipv6_addr);
char *IP6_Canonical(struct ipv6_addr *addr);
void set_link_local(struct ipv6_addr *ipv6_addr);
void set_EUI(struct ipv6_addr *ipv6_addr, prox_rte_ether_addr *mac);
void create_mac_from_EUI(struct ipv6_addr *ipv6_addr, prox_rte_ether_addr *mac);
struct task_base;
prox_rte_ipv6_hdr *prox_get_ipv6_hdr(prox_rte_ether_hdr *hdr, uint16_t len, uint16_t *vlan);
void build_router_sollicitation(struct rte_mbuf *mbuf, prox_rte_ether_addr *s_addr, struct ipv6_addr *ipv6_s_addr, uint16_t vlan);
void build_router_advertisement(struct rte_mbuf *mbuf, prox_rte_ether_addr *s_addr, struct ipv6_addr *ipv6_s_addr, struct ipv6_addr *router_prefix, uint16_t vlan);
void build_neighbour_sollicitation(struct rte_mbuf *mbuf, prox_rte_ether_addr *s_addr, struct ipv6_addr *dst, struct ipv6_addr *src, uint16_t vlan);
void build_neighbour_advertisement(struct task_base *tbase, struct rte_mbuf *mbuf, prox_rte_ether_addr *target_mac, struct ipv6_addr *ipv6_addr, int sollicited, uint16_t vlan);
#endif /* _PROX_IP_V6_H_ */
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