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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 ICMP_H
#define ICMP_H
#define ICMP_TIMER_INTERVAL 1000 /* ms */
struct ctx;
void icmp_sock_handler(const struct ctx *c, union epoll_ref ref,
uint32_t events, const struct timespec *now);
int icmp_tap_handler(const struct ctx *c,
int af, const void *saddr, const void *daddr,
const struct pool *p, const struct timespec *now);
void icmp_timer(const struct ctx *c, const struct timespec *ts);
void icmp_init(void);
/**
* union icmp_epoll_ref - epoll reference portion for ICMP tracking
* @v6: Set for IPv6 sockets or connections
* @u32: Opaque u32 value of reference
* @id: Associated echo identifier, needed if bind() fails
*/
union icmp_epoll_ref {
struct {
uint32_t v6:1,
id:16;
} icmp;
uint32_t u32;
};
/**
* struct icmp_ctx - Execution context for ICMP routines
* @timer_run: Timestamp of most recent timer run
*/
struct icmp_ctx {
struct timespec timer_run;
};
#endif /* ICMP_H */
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