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| | /* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright (c) 2021 Red Hat GmbH
* Author: Stefano Brivio <sbrivio@redhat.com>
*/
#ifndef UDP_H
#define UDP_H
#include <stdint.h>
#include <netinet/in.h>
#include "fwd.h"
union vhost_memory_u;
void udp_listen_sock_handler(const struct ctx *c, union epoll_ref ref,
uint32_t events, const struct timespec *now);
void udp_sock_handler(const struct ctx *c, union epoll_ref ref,
uint32_t events, const struct timespec *now);
int udp_tap_handler(const struct ctx *c, uint8_t pif,
sa_family_t af, const void *saddr, const void *daddr,
uint8_t ttl, const struct pool *p, int idx,
const struct timespec *now);
int udp_init(struct ctx *c);
void udp_update_l2_buf(const unsigned char *eth_d);
void udp_register_memory_regions(union vhost_memory_u *vhost_mem, size_t *last_idx);
/**
* struct udp_ctx - Execution context for UDP
* @scan_in: Port scanning state for inbound packets
* @scan_out: Port scanning state for outbound packets
* @timeout: Timeout for unidirectional flows (in s)
* @stream_timeout: Timeout for stream-like flows (in s)
*/
struct udp_ctx {
struct fwd_scan scan_in;
struct fwd_scan scan_out;
int timeout;
int stream_timeout;
};
#endif /* UDP_H */
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