passt, tap: Add --fd option
This passes a fully connected stream socket to passt. Signed-off-by: Richard W.M. Jones <rjones@redhat.com> [sbrivio: reuse fd_tap instead of adding a new descriptor, imply --one-off on --fd, add to optstring and usage()] Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
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Stefano Brivio

parent
15119dcf6c
commit
6b4e68383c
10
passt.1
10
passt.1
@@ -297,6 +297,16 @@ Path for UNIX domain socket used by \fBqemu\fR(1) or \fBqrap\fR(1) to connect to
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Default is to probe a free socket, not accepting connections, starting from
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\fI/tmp/passt_1.socket\fR to \fI/tmp/passt_64.socket\fR.
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.TP
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.BR \-F ", " \-\-fd " " \fIFD
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Pass a pre-opened, connected socket to \fBpasst\fR. Usually the socket is opened
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in the parent process and \fBpasst\fR inherits it when run as a child. This
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allows the parent process to open sockets using another address family or
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requiring special privileges.
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This option implies the behaviour described for \-\-one-off, once this socket
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is closed.
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.TP
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.BR \-1 ", " \-\-one-off
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Quit after handling a single client connection, that is, once the client closes
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