passt/icmp.h
Stefano Brivio 48582bf47f treewide: Mark constant references as const
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
2022-03-29 15:35:38 +02:00

41 lines
1 KiB
C

/* SPDX-License-Identifier: AGPL-3.0-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 *addr,
const struct pool *p, const struct timespec *now);
void icmp_timer(const struct ctx *c, const struct timespec *ts);
/**
* 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 */