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There are a number of places where we want to handle either a sockaddr_in or a sockaddr_in6. In some of those we use a void *, which works ok and matches some standard library interfaces, but doesn't give a signature level hint that we're dealing with only sockaddr_in or sockaddr_in6, not (say) sockaddr_un or another type of socket address. Other places we use a sockaddr_storage, which also works, but has the same problem in addition to allocating more on the stack than we need to. Introduce union sockaddr_inany to explictly handle this case: it has variants for sockaddr_in and sockaddr_in6. Use it in a number of places where it's easy to do so. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
21 lines
561 B
C
21 lines
561 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* Copyright (c) 2022 Red Hat GmbH
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* Author: Stefano Brivio <sbrivio@redhat.com>
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*/
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#ifndef TCP_SPLICE_H
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#define TCP_SPLICE_H
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struct tcp_splice_conn;
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union sockaddr_inany;
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void tcp_splice_sock_handler(struct ctx *c, union epoll_ref ref,
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uint32_t events);
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bool tcp_splice_conn_from_sock(const struct ctx *c,
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union tcp_listen_epoll_ref ref,
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struct tcp_splice_conn *conn, int s,
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const union sockaddr_inany *sa);
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void tcp_splice_init(struct ctx *c);
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#endif /* TCP_SPLICE_H */
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