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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);
void icmpv6_sock_handler(const struct ctx *c, union epoll_ref ref);
int icmp_tap_handler(const struct ctx *c, pif_id pif, 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 {
	uint16_t id;
	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 */

debug log:

solving c6c4b8f ...
found c6c4b8f in https://archives.passt.top/passt-dev/20231009083013.2837178-5-david@gibson.dropbear.id.au/
found 00d10ea in https://passt.top/passt
preparing index
index prepared:
100644 00d10ea9a16353623ce25f37292e490a4b751cb1	icmp.h

applying [1/1] https://archives.passt.top/passt-dev/20231009083013.2837178-5-david@gibson.dropbear.id.au/
diff --git a/icmp.h b/icmp.h
index 00d10ea..c6c4b8f 100644

Checking patch icmp.h...
Applied patch icmp.h cleanly.

index at:
100644 c6c4b8fd9f2b229e83069baca823ec5db0740d43	icmp.h

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