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Until now, messages would be passed to protocol handlers in a single batch only if they happened to be dequeued in a row. Packets interleaved between different connections would result in multiple calls to the same protocol handler for a single connection. Instead, keep track of incoming packet descriptors, arrange them in sequences, and call protocol handlers only as we completely sorted input messages in batches. Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
37 lines
864 B
C
37 lines
864 B
C
#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(struct ctx *c, union epoll_ref ref, uint32_t events,
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struct timespec *now);
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int icmp_tap_handler(struct ctx *c, int af, void *addr,
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struct tap_l4_msg *msg, int count, struct timespec *now);
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void icmp_timer(struct ctx *c, 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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};
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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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