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Add TCP_REPAIR_WINDOW from Linux 4.8.

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Linux 4.8 adds TCP_REPAIR_WINDOW to include/uapi/linux/tcp.h.  This
patch adds it to sysdeps/gnu/netinet/tcp.h accordingly, along with
struct tcp_repair_window as requested in
<https://sourceware.org/ml/libc-alpha/2016-10/msg00019.html>.

Tested for x86_64 and x86 (testsuite, and that installed shared
libraries are unchanged by the patch).

	* sysdeps/gnu/netinet/tcp.h (TCP_REPAIR_WINDOW): New macro.
	(struct tcp_repair_window): New type.
This commit is contained in:
Joseph Myers
2016-10-03 21:01:42 +00:00
parent edbdf872ae
commit dad9a11a93
2 changed files with 16 additions and 0 deletions
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11
sysdeps/gnu/netinet/tcp.h
View File

@ -69,6 +69,7 @@
connections. */
#define TCP_SAVED_SYN 28 /* Get SYN headers recorded for
connection. */
#define TCP_REPAIR_WINDOW 29 /* Get/set window parameters. */
#ifdef __USE_MISC
# include <sys/types.h>
@ -307,6 +308,16 @@ struct tcp_cookie_transactions
uint8_t tcpct_value[TCP_MSS_DEFAULT];
};
/* For use with TCP_REPAIR_WINDOW. */
struct tcp_repair_window
{
uint32_t snd_wl1;
uint32_t snd_wnd;
uint32_t max_window;
uint32_t rcv_wnd;
uint32_t rcv_wup;
};
#endif /* Misc. */
#endif /* netinet/tcp.h */