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For now, packets passed to the various *_tap_handler() functions always come from the single "tap" interface. We want to allow the possibility to broaden that in future. As preparation for that, have the code in tap.c pass the pif id of the originating interface to each of those handler functions. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
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 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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void icmpv6_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, int 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_timer(const struct ctx *c, const struct timespec *ts);
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void icmp_init(void);
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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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uint16_t id;
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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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