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sock_l4() creates a socket of the given IP protocol number, and adds it to the epoll state. Currently it determines the correct tag for the epoll data based on the protocol. However, we have some future cases where we might want different semantics, and therefore epoll types, for sockets of the same protocol. So, change sock_l4() to take the epoll type as an explicit parameter, and determine the protocol from that. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
42 lines
1.0 KiB
C
42 lines
1.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright Red Hat
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* Author: David Gibson <david@gibson.dropbear.id.au>
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*/
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#ifndef EPOLL_TYPE_H
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#define EPOLL_TYPE_H
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/**
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* enum epoll_type - Different types of fds we poll over
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*/
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enum epoll_type {
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/* Special value to indicate an invalid type */
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EPOLL_TYPE_NONE = 0,
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/* Connected TCP sockets */
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EPOLL_TYPE_TCP,
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/* Connected TCP sockets (spliced) */
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EPOLL_TYPE_TCP_SPLICE,
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/* Listening TCP sockets */
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EPOLL_TYPE_TCP_LISTEN,
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/* timerfds used for TCP timers */
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EPOLL_TYPE_TCP_TIMER,
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/* UDP sockets */
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EPOLL_TYPE_UDP,
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/* ICMP/ICMPv6 ping sockets */
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EPOLL_TYPE_PING,
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/* inotify fd watching for end of netns (pasta) */
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EPOLL_TYPE_NSQUIT_INOTIFY,
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/* timer fd watching for end of netns, fallback for inotify (pasta) */
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EPOLL_TYPE_NSQUIT_TIMER,
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/* tuntap character device */
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EPOLL_TYPE_TAP_PASTA,
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/* socket connected to qemu */
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EPOLL_TYPE_TAP_PASST,
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/* socket listening for qemu socket connections */
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EPOLL_TYPE_TAP_LISTEN,
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EPOLL_NUM_TYPES,
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};
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#endif /* EPOLL_TYPE_H */
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