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Currently ping sockets use a custom epoll reference type which includes the ICMP id. However, now that we have entries in the flow table for ping flows, finding that is sufficient to get everything else we want, including the id. Therefore remove the icmp_epoll_ref type and use the general 'flowside' field for ping sockets. Having done this we no longer need separate EPOLL_TYPE_ICMP and EPOLL_TYPE_ICMPV6 reference types, because we can easily determine which case we have from the flow type. Merge both types into EPOLL_TYPE_PING. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
29 lines
693 B
C
29 lines
693 B
C
/* SPDX-License-Identifier: GPL-2.0-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 10000 /* ms */
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struct ctx;
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struct icmp_ping_flow;
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void icmp_sock_handler(const struct ctx *c, union epoll_ref ref);
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int icmp_tap_handler(const struct ctx *c, uint8_t pif, sa_family_t af,
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const void *saddr, const void *daddr,
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const struct pool *p, const struct timespec *now);
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void icmp_init(void);
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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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