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42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/* SPDX-License-Identifier: AGPL-3.0-or-later
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* Copyright (c) 2021 Red Hat GmbH
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* Author: Stefano Brivio <sbrivio@redhat.com>
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*/
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#ifndef ICMP_H
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#define ICMP_H
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#define ICMP_TIMER_INTERVAL 1000 /* ms */
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struct ctx;
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void icmp_sock_handler(const struct ctx *c, union epoll_ref ref,
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uint32_t events, const struct timespec *now);
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int icmp_tap_handler(const struct ctx *c, int af, const void *addr,
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const struct pool *p, const struct timespec *now);
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void icmp_timer(const struct ctx *c, const struct timespec *ts);
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/**
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* union icmp_epoll_ref - epoll reference portion for ICMP tracking
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* @v6: Set for IPv6 sockets or connections
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* @u32: Opaque u32 value of reference
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* @id: Associated echo identifier, needed if bind() fails
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*/
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union icmp_epoll_ref {
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struct {
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uint32_t v6:1,
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id:16;
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} icmp;
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uint32_t u32;
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};
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/**
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* struct icmp_ctx - Execution context for ICMP routines
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* @timer_run: Timestamp of most recent timer run
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*/
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struct icmp_ctx {
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struct timespec timer_run;
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};
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#endif /* ICMP_H */
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