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linux_dep: Generalise tcp_info.h to handling Linux extension compatibility

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tcp_info.h exists just to contain a modern enough version of struct
tcp_info for our needs, removing compile time dependency on the version of
kernel headers.  There are several other cases where we can remove similar
compile time dependencies on kernel version.  Prepare for that by renaming
tcp_info.h to linux_dep.h.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
David Gibson 2024-11-06 17:54:14 +11:00 committed by Stefano Brivio
parent c5f4e4d146
commit 0d7b8201ed
2 changed files with 7 additions and 5 deletions
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10
tcp_info.h → linux_dep.h
View file

@ -1,13 +1,15 @@
/* SPDX-License-Identifier: GPL-2.0-or-later /* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright Red Hat * Copyright Red Hat
* *
* Largely derived from include/linux/tcp.h in the Linux kernel * Declarations for Linux specific dependencies
*/ */
#ifndef TCP_INFO_H #ifndef LINUX_DEP_H
#define TCP_INFO_H #define LINUX_DEP_H
/* struct tcp_info_linux - Information from Linux TCP_INFO getsockopt() /* struct tcp_info_linux - Information from Linux TCP_INFO getsockopt()
*
* Largely derived from include/linux/tcp.h in the Linux kernel
* *
* Some fields returned by TCP_INFO have been there for ages and are shared with * Some fields returned by TCP_INFO have been there for ages and are shared with
* BSD. struct tcp_info from netinet/tcp.h has only those fields. There are * BSD. struct tcp_info from netinet/tcp.h has only those fields. There are
@ -117,4 +119,4 @@ struct tcp_info_linux {
*/ */
}; };
#endif /* TCP_INFO_H */ #endif /* LINUX_DEP_H */

2
tcp.c
View file

@ -299,10 +299,10 @@
#include "log.h" #include "log.h"
#include "inany.h" #include "inany.h"
#include "flow.h" #include "flow.h"
#include "linux_dep.h"
#include "flow_table.h" #include "flow_table.h"
#include "tcp_internal.h" #include "tcp_internal.h"
#include "tcp_info.h"
#include "tcp_buf.h" #include "tcp_buf.h"
/* MSS rounding: see SET_MSS() */ /* MSS rounding: see SET_MSS() */