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/*
// Copyright (c) 2010-2020 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.
*/
#include <poll.h>
#include "task_base.h"
#include "task_init.h"
enum arp_actions {
MAC_INFO_FROM_MASTER,
MAC_INFO_FROM_MASTER_FOR_IPV6,
IPV6_INFO_FROM_MASTER,
ROUTE_ADD_FROM_MASTER,
ROUTE_DEL_FROM_MASTER,
SEND_ARP_REQUEST_FROM_MASTER,
SEND_ARP_REPLY_FROM_MASTER,
SEND_NDP_FROM_MASTER,
SEND_ICMP_FROM_MASTER,
SEND_BGP_FROM_MASTER,
ARP_PKT_FROM_NET_TO_MASTER,
NDP_PKT_FROM_NET_TO_MASTER,
ICMP_TO_MASTER,
BGP_TO_MASTER,
IP4_REQ_MAC_TO_MASTER,
IP6_REQ_MAC_TO_MASTER,
PKT_FROM_TAP,
MAX_ACTIONS
};
#define PROX_MAX_ARP_REQUESTS 32 // Maximum number of tasks requesting the same MAC address
#define HANDLE_RANDOM_IP_FLAG 1
#define HANDLE_RANDOM_LOCAL_IP_FLAG 2
#define HANDLE_RANDOM_GLOBAL_IP_FLAG 4
#define IPV6_ROUTER 8
#define RANDOM_IP 0xffffffff
#define PROX_PSEUDO_PKT_PORT 0xdead
struct port_table {
prox_rte_ether_addr mac;
struct rte_ring *ring;
uint32_t ip;
uint8_t port;
uint8_t flags;
struct ipv6_addr local_ipv6_addr;
struct ipv6_addr global_ipv6_addr;
struct ipv6_addr router_prefix;
uint64_t last_echo_req_rcvd_tsc;
uint64_t last_echo_rep_rcvd_tsc;
uint32_t n_echo_req;
uint32_t n_echo_rep;
};
struct ip_table {
prox_rte_ether_addr mac;
struct rte_ring *ring;
};
struct external_ip_table {
prox_rte_ether_addr mac;
struct rte_ring *rings[PROX_MAX_ARP_REQUESTS];
uint16_t nb_requests;
};
struct vdev {
int port_id;
struct rte_ring *ring;
};
struct task_master {
struct task_base base;
struct rte_ring *ctrl_rx_ring;
struct rte_ring **ctrl_tx_rings;
struct ip_table *internal_ip_table; // Store mac address from our IP
struct external_ip_table *external_ip_table; // Store mac address from external systems
struct ip_table *internal_ip6_table; // Store mac address from our IP
struct external_ip_table *external_ip6_table; // Store mac address from external systems
struct rte_hash *external_ip_hash;
struct rte_hash *external_ip6_hash;
struct rte_hash *internal_ip_hash;
struct rte_hash *internal_ip6_hash;
struct port_table internal_port_table[PROX_MAX_PORTS];
struct vdev all_vdev[PROX_MAX_PORTS];
int max_vdev_id;
struct pollfd arp_fds;
struct pollfd route_fds;
};
const char *actions_string[MAX_ACTIONS];
void init_ctrl_plane(struct task_base *tbase);
int (*handle_ctrl_plane)(struct task_base *tbase, struct rte_mbuf **mbuf, uint16_t n_pkts);
static inline void tx_drop(struct rte_mbuf *mbuf)
{
rte_pktmbuf_free(mbuf);
}
void register_ip_to_ctrl_plane(struct task_base *task, uint32_t ip, uint8_t port_id, uint8_t core_id, uint8_t task_id);
void master_init_vdev(struct task_base *task, uint8_t port_id, uint8_t core_id, uint8_t task_id);
void register_router_to_ctrl_plane(struct task_base *tbase, uint8_t port_id, uint8_t core_id, uint8_t task_id, struct ipv6_addr *local_ipv6_addr, struct ipv6_addr *global_ipv6_addr, struct ipv6_addr *router_prefix);
void register_node_to_ctrl_plane(struct task_base *tbase, struct ipv6_addr *local_ipv6_addr, struct ipv6_addr *global_ipv6_addr, uint8_t port_id, uint8_t core_id, uint8_t task_id);
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