Adding upstream version 3.7.9.upstream/3.7.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 63 insertions, 0 deletions

diff --git a/doc/manpages/gnutls_transport_set_fastopen.3 b/doc/manpages/gnutls_transport_set_fastopen.3
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+.\" DO NOT MODIFY THIS FILE!  It was generated by gdoc.
+.TH "gnutls_transport_set_fastopen" 3 "3.7.9" "gnutls" "gnutls"
+.SH NAME
+gnutls_transport_set_fastopen \- API function
+.SH SYNOPSIS
+.B #include <gnutls/socket.h>
+.sp
+.BI "void gnutls_transport_set_fastopen(gnutls_session_t " session ", int " fd ", struct sockaddr * " connect_addr ", socklen_t " connect_addrlen ", unsigned int " flags ");"
+.SH ARGUMENTS
+.IP "gnutls_session_t session" 12
+is a \fBgnutls_session_t\fP type.
+.IP "int fd" 12
+is the session's socket descriptor
+.IP "struct sockaddr * connect_addr" 12
+is the address we want to connect to
+.IP "socklen_t connect_addrlen" 12
+is the length of  \fIconnect_addr\fP 
+.IP "unsigned int flags" 12
+must be zero
+.SH "DESCRIPTION"
+Enables TCP Fast Open (TFO) for the specified TLS client session.
+That means that TCP connection establishment and the transmission
+of the first TLS client hello packet are combined. The
+peer's address must be  specified in  \fIconnect_addr\fP and  \fIconnect_addrlen\fP ,
+and the socket specified by  \fIfd\fP should not be connected.
+
+TFO only works for TCP sockets of type AF_INET and AF_INET6.
+If the OS doesn't support TCP fast open this function will result
+to gnutls using \fBconnect()\fP transparently during the first write.
+.SH "NOTE"
+This function overrides all the transport callback functions.
+If this is undesirable, TCP Fast Open must be implemented on the user
+callback functions without calling this function. When using
+this function, transport callbacks must not be set, and 
+\fBgnutls_transport_set_ptr()\fP or \fBgnutls_transport_set_int()\fP
+must not be called.
+
+On GNU/Linux TFO has to be enabled at the system layer, that is
+in /proc/sys/net/ipv4/tcp_fastopen, bit 0 has to be set.
+
+This function has no effect on server sessions.
+.SH "SINCE"
+3.5.3
+.SH "REPORTING BUGS"
+Report bugs to <bugs@gnutls.org>.
+.br
+Home page: https://www.gnutls.org
+
+.SH COPYRIGHT
+Copyright \(co 2001- Free Software Foundation, Inc., and others.
+.br
+Copying and distribution of this file, with or without modification,
+are permitted in any medium without royalty provided the copyright
+notice and this notice are preserved.
+.SH "SEE ALSO"
+The full documentation for
+.B gnutls
+is maintained as a Texinfo manual.
+If the /usr/share/doc/gnutls/
+directory does not contain the HTML form visit
+.B
+.IP https://www.gnutls.org/manual/
+.PP